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Introduction: Recent studies have reported a strong relationship between diabetes and anxiety- and depression-like behaviors; however, there is a lack of information on the underlying pathophysiology. Alkaline Zamzam water (ZW), which is rich in several trace elements, has neuroprotective properties. This study aimed to investigate the anxiolytic and antidepressant effects of ZW against diabetes-induced behavioral changes and shed light on the possible underlying mechanisms. Methods: Forty-eight rats were divided into four experimental groups (n = 12): group I (control group), group II (Zamzam water group), group III (diabetic group), and group IV (diabetic + Zamzam water group). Diabetes was induced by an intraperitoneal injection of 60mg/kg streptozotocin (STZ). At the end of the experiment, the forced swimming test (FST) was used to assess depression-like effects. The elevated plus maze test (EPMT) and open field test (OFT) were performed to evaluate anxietylike behavior. Blood levels of the hypothalamic-pituitary-adrenal (HPA) axis were measured, and prefrontal cortex and hippocampal tissue samples were removed for histological, immunohistochemical, ELISA, and Q-PCR analyses. Results: ZW significantly decreased the immobility time in the FST, indicating an antidepressant effect (p < 0.001). Additionally, ZW significantly improved the OFT and open field entry (OFE) percentages in the EPMT, increasing center crossing and decreasing grooming and fecal boli in the OFT. This indicated an anxiolyticlike effect in diabetic rats with histological improvement. Interestingly, ZW significantly increased prefrontal cortical and hippocampal levels of antioxidant enzymes and the Nrf2/HO-1 pathway. It also modulated the HPA axis by increasing cortisol and corticotropin-releasing hormone (CRH) levels, with a decrease in ACTH and an increase in monoamine neurotransmitters. Furthermore, diabetic rats that received ZW showed a decrease in the inflammatory markers TNF-α and GFAP by immunohistochemistry and in the mRNA levels of NFκB, IL-1β, and IL6. In addition, ZW downregulated the expression of the BDNF/ERK2/CREP pathway. Conclusion: Our results suggested a neuroprotective effect of ZW against diabetes-induced anxiety- and depression-like behaviors and explored the underlying mechanisms. These findings suggest a promising therapeutic strategy for patients with diabetes who experience anxiety and depression. [ABSTRACT FROM AUTHOR]

Background: The objective of the current study was to evaluate the erosive adverse effect of paediatric Ironplus syrup and the remineralization effectualness of Zamzam Water and ProShieldR Varnish on microhardness of primary teeth. Materials and method: Forty primary anterior teeth were randomly distributed into five groups, each group has eight samples (N=8) assigned as: group1: control negative, group2: control positive, group3: 5% Sodium Fluoride Varnish, group4: Zamzam water and group5: Zamzam water and 5% Sodium Fluoride Varnish. Excluding the control negative group from them, all samples were immersed in 100ml of Ironplus syrup and agitated for 2 min once a day for 14 days. Then those groups were treated with remineralizing agents of: 5% Sodium Fluoride Varnish for 24 hours, Zamzam water for 30 min every 12 h for 12 days and the combination therapy initiated by Zamzam water then after 30 min, 5% Sodium Fluoride Varnish was applied for 24hrs. Vickers Microhardness test and Polarized Light Microscope were two adopted tests that this study dependent upon. Results: There was a statistically significant difference in microhardness mean values when making a comparison between the baseline and Ironplus tested groups, furthermore ANOVA and Duncan's Multiple Range test showed that there was a highly significant statistical difference in microhardness mean values among baseline, demineralization and remineralization groups at P-Value = 0.01. Conclusion: The surface microhardness of the primary enamel was reduced owing to the potential erosive efficacy of the used paediatric pharmaceutical preparations. On the other extreme, the previous readings had increased after being treated with remineralizing agents meaning that they have the capacity to battle against erosive potential reaching its highest capability in terms of reminerlization with the combination treatment group. [ABSTRACT FROM AUTHOR]

Background: Hyperglycemia usually impairs wound healing by dysregulating the inflammatory response and angiogenesis. This study aimed to examine the synergistic effect of dapagliflozin and Zamzam water (ZW) on the healing of diabetic wounds and to explore their anti-inflammatory and proangiogenic effects. Materials and methods: A full-thickness excisional wound was made on the backs of all groups after two weeks of diabetes induction. Forty rats were divided into five groups, with eight rats per group; Group 1: Control non-diabetic rats; Group II: Untreated diabetic rats; Group III: Diabetic rats drinking ZW; Group IV: Diabetic rats receiving an oral dose of 1 mg/kg dapagliflozin; and Group V: Received both dapagliflozin and ZW. The healing of diabetic wounds was assessed by measuring wound closure, oxidative stress markers, immunohistochemical staining of NF-βB, VEGF, CD34, CD45, Ki-67, and eNOS, gene expression of MMP-9, TGF-β1, EGF-b1, FGF, and Col1A1, protein levels of TNFα, IL-1β, IL6, Ang II, and HIF-1α by ELISA assay, and histological examination with H & E and Masson’s trichrome. Combined treatment with dapagliflozin and ZW significantly (p

IntroductionRecent studies have reported a strong relationship between diabetes and anxiety- and depression-like behaviors; however, there is a lack of information on the underlying pathophysiology. Alkaline Zamzam water (ZW), which is rich in several trace elements, has neuroprotective properties. This study aimed to investigate the anxiolytic and antidepressant effects of ZW against diabetes-induced behavioral changes and shed light on the possible underlying mechanisms.MethodsForty-eight rats were divided into four experimental groups (n = 12): group I (control group), group II (Zamzam water group), group III (diabetic group), and group IV (diabetic + Zamzam water group). Diabetes was induced by an intraperitoneal injection of 60 mg/kg streptozotocin (STZ). At the end of the experiment, the forced swimming test (FST) was used to assess depression-like effects. The elevated plus maze test (EPMT) and open field test (OFT) were performed to evaluate anxiety-like behavior. Blood levels of the hypothalamic–pituitary–adrenal (HPA) axis were measured, and prefrontal cortex and hippocampal tissue samples were removed for histological, immunohistochemical, ELISA, and Q-PCR analyses.ResultsZW significantly decreased the immobility time in the FST, indicating an antidepressant effect (p

Background: Hyperglycemia usually impairs wound healing by dysregulating the inflammatory response and angiogenesis. This study aimed to examine the synergistic effect of dapagliflozin and Zamzam water (ZW) on the healing of diabetic wounds and to explore their anti-inflammatory and proangiogenic effects. Materials and methods: A full-thickness excisional wound was made on the backs of all groups after two weeks of diabetes induction. Forty rats were divided into five groups, with eight rats per group; Group 1: Control non-diabetic rats; Group II: Untreated diabetic rats; Group III: Diabetic rats drinking ZW; Group IV: Diabetic rats receiving an oral dose of 1 mg/kg dapagliflozin; and Group V: Received both dapagliflozin and ZW. The healing of diabetic wounds was assessed by measuring wound closure, oxidative stress markers, immunohistochemical staining of NF-βB, VEGF, CD34, CD45, Ki-67, and eNOS, gene expression of MMP-9, TGF-β1, EGF-b1, FGF, and Col1A1, protein levels of TNFα, IL-1β, IL6, Ang II, and HIF-1α by ELISA assay, and histological examination with H & E and Masson's trichrome. Combined treatment with dapagliflozin and ZW significantly (p < 0.05) enhanced the wound closure and antioxidant enzyme level, with apparent histological improvement, and shortened the inflammatory stage of the diabetic wound by decreasing the level of inflammatory markers NF-κB, TNF-α, IL-1β, IL6, and CD45. Therefore, it improved angiogenesis markers VEGF, CD34, eNOS, EGF-β1, FGF, Ang II, and HIF-1α, increasing Ki-67 cellular proliferation. Moreover, it enhanced the remodeling stage by increasing MMP-2, TGF-β1, and Col1A1 levels compared to diabetic rats. [ABSTRACT FROM AUTHOR]

Gentamicin is considered one of the most typical causes of testicular damage. Oxidative stress is a significant contributor to testicular tissue damage. Zamzam water (alkaline in nature) has an antioxidant effect. The purpose of this study was to assess the potential palliative effect of Zamzam water against gentamicin-induced testicular damage. Thirty Rats were separated into three groups, each with ten rats, as follows: The Control received only normal saline. The gentamicin group received 100 mg/kg/day of gentamicin intraperitoneally for six days from day 15 to the end of the experiment. The gentamicin +Zamzam Water group received a dose of gentamicin 100 mg/kg/day intraperitoneally with Zamzam water as their sole source of drinking from day one to day 21. Hormonal assay in serum, histological, immunohistochemical, and ultrastructural examination of testicular tissue with a molecular study were obtained. Pretreatment with Zamzam water significantly p < 0.001 increased serum levels of testosterone, FSH, and LH, as well as the percentage of sperm motility and progressive motility. It also upregulated SOD, CAT, GPx enzymatic activity, gene expression of Nrf2/HO-1, and immunoexpression of PCNA. While the percentage of dead sperm and abnormal sperm, immunoexpression of NFκB, Caspase 3, inflammatory cytokines TNFα, IL-1β, IL-6, and MDA levels significantly (p < 0.001) declined with histological improvement. It was concluded that Zamzam water as alkaline water possesses antioxidant, anti-inflammatory, and antiapoptotic effects against gentamicin-induced testicular toxicity in vivo. [ABSTRACT FROM AUTHOR]

Abstract Background The holy water, Zamzam has many benefits to the human body. Therefore, the present study aims to clear new use of Zamzam water that it can be used as pesticide. In this study, Zamzam water was tested as pesticide alone and with globe artichoke extract and the globe artichoke extract also with tap water against the cotton mealybug, Phenacoccus solenopsis. Results The obtained results proved that, Zamzam water only has mortality rate approaches the mortality rate of the globe artichoke extract alone. Zamzam water achieved 60% mortality against the adult, P. solenopsis. While 20.000 ppm globe artichoke extract with tap water achieved 70% mortality. Zamzam water, also, improved the effect of globe artichoke extract when diluted with it and the mortality increased to be 86.67% at 15,000 ppm. Likewise, LC50 was 2055.4 ppm with globe artichoke extract with Zamzam water, while it was 13,494.8 ppm with globe artichoke extract without Zamzam water. However, LC90 was 35,791.5 ppm with globe artichoke extract with Zamzam water while it was 48,922.9 ppm with globe artichoke extract without Zamzam water. Also, the chemical analysis of Zamzam water proved the difference in its composition than tap water especially in cations and anions that causes properties like magnetism. Conclusions Based on the obtained results, the globe artichoke extract with Zamzam water was the most toxic in control of P. solenopsis. This may open great attention to the other uses of the holy water, Zamzam water in pests’ management and encourage more researches about globe artichoke leaves extract and Zamzam water.

Introduction: Zamzam water has been used for over 4000 years. Its safety is a public health issue, as it is consumed by thousands of Muslims for religious and medicinal purposes. The objective of this study was to draw up the metallic profile of Zamzam water. Materials and method: Sampling (N=10) were carried out via Zamzam taps which are distributed in the Masjid Al Haram in Mecca in Saudi Arabia. Multi-elemental analysis of 52 elements was done by Inductively Coupled Plasma Mass Spectrometry (ICP-MS). Results and Discussion: Zamzam water has a rich metallic composition. It is a fluorinated (0.74±0.005 mg/L) mineral water, rich in Magnesium (42±0.09 mg/L), Calcium (93±0.09 mg/L), Sodium (210±0.08 mg/L), Lithium (0.012±0.02 mg/L) and poor in harmful and toxic Trace Metals, including Aluminum (

Abstract The objective of the study was to evaluate the quality of Zamzam water, holy water for Muslims and consumed for its medicinal value. The present study demonstrates the physicochemical characterization and wound healing property of Zamzam water. The physicochemical characterization of Zamzam water samples was analyzed for dissolved oxygen, pH, conductivity, total dissolved solids, redox potential, zeta potential, polydispersity index, and zeta size. The microbial quality of Zamzam water was also assessed by exposing water samples to open air. In this work, Zamzam water was also screened for the medicinal value through wound healing properties in Wistar rats. Zamzam water exhibited a unique physicochemical characterization with high levels of dissolved oxygen, zeta potential, polydispersity index, redox potential, total dissolved solids, and conductivity before exposure to open air. After open air exposure, Zamzam water resisted the growth of bacteria. The wound healing properties of Zamzam water in vivo showed a 96% of healing effect on 12th day observation. The wound healing was achieved by modulating pro-inflammatory cytokine such as interleukin -1β (IL-1β), interleukin-6 (IL-6), and tumor necrosis factor -α (TNF-α). Followed by the level of apoptosis markers caspase-9 and caspase-3 were reduced. The present study proved that Zamzam water is a good-quality water and showed excellent wound healing property. Therefore, Zamzam water can be used for pharmaceutical formulations.

Caries is a multifactorial infection disease that happened during the decrease of salivary pH caused by acids from bacterial metabolism. Bicarbonate is an important buffer component in saliva that can help neutralize salivary pH. Zamzam water has high bicarbonate content. This study aimed to evaluate the effect of gargled with Zamzam water on salivary pH. This experimental research was done with pre-test and post-test control group design involving 40 dentistry students at the University of Sriwijaya aged 18-23 years old, with DMF-T score ≤3. Samples were divided into 2 groups, the Zamzam water group, and thedistilled water group. Samples gargled their mouth with 10 ml of a 25% sucrose solution for one minute, then saliva was collected with spitting method and salivary pH was measured with digital pH meter and recorded as initial pH. Samples then gargledwith 20 ml of Zamzam water or distilled water according to each group for one minute, then saliva was collected in the same way as before, and pH was measured and recorded as final pH. Data were analyzed with paired t-test and Mann-Whitney. The result showed that salivary pH increased significantly after gargled with Zamzam water (p0,05). The mean difference of salivary pH aftergargled with Zamzam water was statistically higher than distilled water (p0,05). In conclusion, Gargled with Zamzam water can increase salivary pH.

Background: The holy water, Zamzam has many benefits to the human body. Therefore, the present study aims to clear new use of Zamzam water that it can be used as pesticide. In this study, Zamzam water was tested as pesticide alone and with globe artichoke extract and the globe artichoke extract also with tap water against the cotton mealybug, Phenacoccus solenopsis. Results: The obtained results proved that, Zamzam water only has mortality rate approaches the mortality rate of the globe artichoke extract alone. Zamzam water achieved 60% mortality against the adult, P. solenopsis. While 20.000 ppm globe artichoke extract with tap water achieved 70% mortality. Zamzam water, also, improved the effect of globe artichoke extract when diluted with it and the mortality increased to be 86.67% at 15,000 ppm. Likewise, LC50 was 2055.4 ppm with globe artichoke extract with Zamzam water, while it was 13,494.8 ppm with globe artichoke extract without Zamzam water. However, LC90 was 35,791.5 ppm with globe artichoke extract with Zamzam water while it was 48,922.9 ppm with globe artichoke extract without Zamzam water. Also, the chemical analysis of Zamzam water proved the difference in its composition than tap water especially in cations and anions that causes properties like magnetism. Conclusions: Based on the obtained results, the globe artichoke extract with Zamzam water was the most toxic in control of P. solenopsis. This may open great attention to the other uses of the holy water, Zamzam water in pests' management and encourage more researches about globe artichoke leaves extract and Zamzam water. [ABSTRACT FROM AUTHOR]

Purpose: This in vitro study was conducted to evaluate the remineralization effect of laser, Nanoseal®, and Zamzam water on initial enamel carious lesions of premolar induced around orthodontic brackets. Materials and Methods: A total of 40 premolars divided randomly into four groups were submitted to three phases: (1) placement of orthodontic brackets; (2) demineralizing solution; and (3) remineralization (Group L; teeth were irradiated with 980 nm diode laser for 30 s, Group N; Nanoseal® was applied to teeth according to manufacturer's instructions, Group Z; teeth were immersed in Zamzam water for 3 days then rinsed with deionized water, and Group C; control with no treatment). In each phase, elemental analysis (calcium and phosphorus) was measured using a scanning electron microscope/energy dispersive X-ray analysis. The data were tested using the Bonferroni test and Tukey's test. Results: There was a decrease in calcium ion content in Groups C and L in the third phase (−1.62% and − 0.1%, respectively) than the first one. On the other hand, an increase in calcium ion was shown in Groups Z and N (1.1 and 1.6%, respectively). An increase in phosphorus ion was obvious in all experimental groups ranging from 0.6% to 3.7%, with Group N having the highest increase of phosphorus ion from the first to the third phase. Conclusions: Using Nanoseal® and Zamzam water proved to be better than a diode laser for the treatment of initial carious lesions. The use of diode laser helps to remineralize enamel but in a lower percentage than other tested agents.

Zamzam water is a natural alkaline water which has become alkaline as a result of the natural environment. It comes from what is considered as one of the oldest springs in the world. The water contains high concentrations of alkaline minerals as well as trace and heavy metals. The aim of the current study is to evaluate the effects of five weeks ingestion of Zamzam water on the liver and kidney functions of rats. Adult female Wistar rats weighing 150–200 g were divided into two groups, with 15 rats in each. The control group was supplied daily by bottled water and the Zamzam water group was supplied daily by 500 ml of Zamzam water for five weeks. The rats were weighed weekly and, at the end of the experiment, blood samples were collected from all rats for the biochemical determination of serum levels of aspartate transaminase (AST), alanine aminotransferase (ALT), alkaline phosphatase (ALP), urea, creatinine, albumin, and uric acid, using calorimetric methods. Liver and kidney tissues were fixed in 10% neutral buffered-formalin solution and further embedded in wax blocks for routine hematoxylin and eosin (H&E) staining and were examined for histopathological changes using a light microscope. The results of the current study showed that there was a significant increase (P 0.05). In addition, histological examination of the liver and kidney tissues did not show any toxicological changes. In conclusion, the results showed that the ingestion of Zamzam water did not alter serum levels of kidney function tests and liver enzymes; and did not result in a noticeable change in the liver and kidney histology. Thus, the high concentrations of elements in Zamzam water do not induce hepatotoxicity or nephrotoxicity and the water is considered safe for long-term consumption.

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Gentamicin is considered one of the most typical causes of testicular damage. Oxidative stress is a significant contributor to testicular tissue damage. Zamzam water (alkaline in nature) has an antioxidant effect. The purpose of this study was to assess the potential palliative effect of Zamzam water against gentamicin-induced testicular damage. Thirty Rats were separated into three groups, each with ten rats, as follows: The Control received only normal saline. The gentamicin group received 100 mg/kg/day of gentamicin intraperitoneally for six days from day 15 to the end of the experiment. The gentamicin +Zamzam Water group received a dose of gentamicin 100 mg/kg/day intraperitoneally with Zamzam water as their sole source of drinking from day one to day 21. Hormonal assay in serum, histological, immunohistochemical, and ultrastructural examination of testicular tissue with a molecular study were obtained. Pretreatment with Zamzam water significantly p < 0.001 increased serum levels of testosterone, FSH, and LH, as well as the percentage of sperm motility and progressive motility. It also upregulated SOD, CAT, GPx enzymatic activity, gene expression of Nrf2/HO-1, and immunoexpression of PCNA. While the percentage of dead sperm and abnormal sperm, immunoexpression of NFκB, Caspase 3, inflammatory cytokines TNFα, IL-1β, IL-6, and MDA levels significantly (p < 0.001) declined with histological improvement. It was concluded that Zamzam water as alkaline water possesses antioxidant, anti-inflammatory, and antiapoptotic effects against gentamicin-induced testicular toxicity in vivo.

Background A decline in bone mineral density is a defining feature of osteoporosis, which is a prevalent bone complication associated with diabetes. This study aims to shed light on the protective effect of Zamzam water (ZW), a famous alkaline water, on diabetes-induced osteoporosis. Methodology Of a total of 40 male rats, 10 male rats each were divided into the following four groups: group I (normal control rats), group II (ZW group), group III (diabetic rats), and group IV (DM + ZW). Anteroposterior and lateral X-rays were taken of the rats in each group before the end of the experiment. The study assessed serum levels of inflammatory markers including interleukin 6, interleukin-1 beta, and tumor necrosis factor-alpha; bone formation markers including osteocalcin (OC); alkaline phosphatase (ALP); and bone resorption markers including the N-terminal telopeptide of collagen type I (NTX-1), bone deoxypyridinoline (DPD), and tartrate-resistant acid phosphatase 5b (TRAP-5b). Results Rats with diabetes who consumed ZW exhibited a significant (p < 0.001) increase in OC and ALP bone formation markers and a decrease in NTX-1, DPD, and TRAP-5b bone resorption markers, with improvements in the X-ray image of the vertebral column at the L6 vertebra level. Conclusions ZW improved diabetes-induced osteoporosis in rats by enhancing osteoblastic activity and downregulating osteoclastic activity., Competing Interests: The authors have declared that no competing interests exist., (Copyright © 2024, Alghamdi et al.)

Background: Oxidative stress is considered the main event in the pathogenesis. of diabetic nephropathy (DN). Zamzam water, being natural alkaline with exceptional characteristics, is capable of enhancing antioxidant mechanisms. In this context; the present study has aimed to investigate the protective effects of zamzam water alone or in combination with gliclazide against the streptozotocin (STZ) induced DN model in rats. Methods: DN was initiated by a single intraperitoneal dose of STZ. Three days later, diabetic rats were classified into 5 groups; a normal control group, a diabetic control group, a group receiving gliclazide, a group receiving zamzam water, and a group receiving both gliclazide and zamzam water. Blood pressure (BP) and heart rate (HR) were determined. Then rats were euthanized and serum was isolated for assessment of glucose, insulin, kidney function tests and nitric oxide (NO). Furthermore kidney contents of malondialdehyde (MDA) and reduced glutathione (GSH) were estimated. Histopathology or renal tissues and immunohistochemistry of caspase 3 were determined. In addition, islets of Langerhans were separated from normal rats by collagenase digestion method to study the effects of zamzam water on insulin release in-vitro. Furthermore, chemical analysis of zamzam water has been done. Results: Zamzam water significantly decreased STZ-induced hyperglycemia, BP, HR, oxidative stress biomarkers, impairment in renal functions (urea, creatinine, albumin), morphological changes in kidney and apoptosis. Likewise, zamzam water markedly elevated insulin levels both in in-vivo and in in-vitro experiments. The effects were more pronounced in combination with gliclazide. Conclusion: Zamzam water has a promising renoprotective effect against STZ induced DN through its anti-diabetic, antioxidant, anti-inflammatory and anti-apoptotic potentials.

In the present study, six water samples were collected from different locations in the Kingdom of Saudi Arabia and another sample from the Zamzam site in Makkah city. The concentration of the radioactive isotope 222Rn was measured using the electronic radon detector (RAD7). The comparative analysis study on these samples showed that the average concentration value in all samples was 0.504Bq/L. The data analysis showed that the concentration of 222Rn was ranged from 0.43 ± 0.06 Bq/L to 0.57 ± 0.060 Bq/L for all samples. These levels are below the contamination threshold (11.1 Bq/L) recommended by the US Environmental Protection Agency (EPA). Interestingly, Radon radioactivity levels were lower than those harmful to human health. The principal component analysis (PCA) using (SPSS version 15) was used to reduce the four variables influencing the 222Rn activity concentration to two variables: temperature (correlation coefficient, R2: 0.984) and the relative humidity (RH%) (R2:-0.987). The increase in temperature reduces the solubility of 222Rn gas activity water and facilitates its detection, whereas increased the RH% increases its solubility and decreases the detection level of 222Rn activity concentration. The interaction between temperature and RH% does not affect the concentration of 222Rn.

Background: Dental erosion is an irreversible damage to hard tissues in the mouth due to acid dissolution not induced by microorganisms. Oral medications contributed to the etiology of dental erosion. Among these medications, antihistamine-containing syrups were reported to have a considerable erosive effect on hard dental tissues. Objective: The objective was to evaluate the effect of Zamzam water on the microhardness of primary tooth enamel after erosion induced by Claritin™ syrup. Materials and Methods: The present in-vitro study was conducted on 25 primary central incisor teeth. The labial surfaces of the specimens were prepared for microhardness testing. Baseline microhardness was measured first, then the samples were submerged in the erosive agent Claritin™ syrup, for 30 min every 12 h for 12 days. Thereafter, all the teeth were placed in Zamzam water for 30 min every 12 h for 12 days. The microhardness was measured by the Vickers hardness tester and expressed as Vickers microhardness value (VH). The measurements were completed three times for the same sample: baseline, after erosion, and after Zamzam treatment. Data were analyzed statistically using one-way repeated analysis of variance (ANOVA) followed by Tukey’s post hoc test. Results: The primary teeth included in this study showed a significant increase in their surface microhardness after Zamzam water treatment; the mean value of VH was increased from 33.12 ± 1.62 to 89.32 ± 8.52 (P-value <0.0001). Conclusion: Zamzam water could be introduced as a part of the management of dental erosion in the primary dentition. [ABSTRACT FROM AUTHOR]

Studies conducted on the chemical composition of Zamzam water are conflicting especially for arsenic. Therefore, the aim of our study is to study the composition of tap and bottled Zamzam water and to compare its quality according to international guidelines of drinking water. Six Zamzam tap water samples as well as one bottled sample were analyzed according to standard methods (APHA) for their chemical constituents (pH, TDS, Na, K, Mg, Ca, Fe, Cu, Zn, Cd, Pb, Mn, Al, As, Cl−, SO4−2, HCO3- and PO4−3). The results were compared to guidelines of WHO and EPA for quality of drinking water. All analyzed parameters were below the maximum allowable limits (MAL) of WHO and EPA (p˃0.05), with the exception of TDS. The average values of TDS (814 mg L−1 in tap zamzam water samples and 812 mg L−1 in bottled sample) were below the MAL of WHO (1000 mg L−1) but exceeded the limit that defined by EPA as a non-enforceable guidelines (500 mg L−1) (p˂0.05). Compared to the collected tap zamzam water samples, bottled sample had significantly lower levels of Na, PO4−3 (p˂0.05) and Cu (p˂0.01). The study concluded that Zamzam water has acceptable chemical composition including arsenic, except for TDS that exceeds the high non-enforceable accepted limit according to EPA.

Zamzam water is a natural alkaline water which has become alkaline as a result of the natural environment. It comes from what is considered as one of the oldest springs in the world. The water contains high concentrations of alkaline minerals as well as trace and heavy metals. The aim of the current study is to evaluate the effects of five weeks ingestion of Zamzam water on the liver and kidney functions of rats. Adult female Wistar rats weighing 150–200 g were divided into two groups, with 15 rats in each. The control group was supplied daily by bottled water and the Zamzam water group was supplied daily by 500 ml of Zamzam water for five weeks. The rats were weighed weekly and, at the end of the experiment, blood samples were collected from all rats for the biochemical determination of serum levels of aspartate transaminase (AST), alanine aminotransferase (ALT), alkaline phosphatase (ALP), urea, creatinine, albumin, and uric acid, using calorimetric methods. Liver and kidney tissues were fixed in 10% neutral buffered-formalin solution and further embedded in wax blocks for routine hematoxylin and eosin (H&E) staining and were examined for histopathological changes using a light microscope. The results of the current study showed that there was a significant increase (P < 0.05) in the weight of the Zamzam group when compared to the control group after five weeks of ingestion. Liver and kidney function tests did not show any significant difference when compared with the controls (P > 0.05). In addition, histological examination of the liver and kidney tissues did not show any toxicological changes. In conclusion, the results showed that the ingestion of Zamzam water did not alter serum levels of kidney function tests and liver enzymes; and did not result in a noticeable change in the liver and kidney histology. Thus, the high concentrations of elements in Zamzam water do not induce hepatotoxicity or nephrotoxicity and the water is considered safe for long-term consumption. [ABSTRACT FROM AUTHOR]

Bottled water is perceived by many people of Pakistan and other countries as well a safer alternative to other sources of water such as tap water. This may be attributed to consumers disliking the taste of tap water or it’s organoleptic. Bottled water usage has increased even in countries where clean tap water is present such as in Germany, Kuwait and Saudi Arabia etc. The objective of present study was to compare the drinkable bottled water quality between different countries along with ZamZam water. Eleven different brands of bottled water including one un- bottled water (zamzam) collected from Pakistan, U.A.E, Kuwait, Germany and Saudi Arabia. They were analyzed for physiochemical and microbiological parameters for estimation of quality of water. For physio-chemical analysis, the pH meter, EC meter, Flame photometer and UV-Spectrophotometer were used respectively. For bacteriological parameters like Total Coliforms, Fecal Coliform and E. coli, filtration technique is adopted. In this study, comparison of mineral contents with labeled values mentioned on different brands of the countries like Rawdatain(Kuwait), AlAin(UAE), and Masafi (UAE) which have difference in actual measured values and labelled but all within WHO and IBWA standards. Bottle water companies claim, the water from different sources such as spring, deep ground and natural water but no doubt it may be taken from different natural sources and they are saying it a mineral water when it was not pass through any treatment processes. These bottles water are actually processed/treated water which does not contain sufficient amount of minerals necessary for the health.

Objective: There is a lack of studies exploring the effects of Zamzam water on human physiology. The present study determined the effects of Zamzam water on blood pressure and heart rate variability (HRV). Methods: This comparative interventional study was conducted at the Department of Physiology, of our university in March 2018. A total number of 97 female subjects drank 500 ml of either Zamzam water or mineral water in one minute. Finometer Pro and PowerLab (ADInstrumentsR) with ECG electrodes through bioamplifier and attached finger pulse transducer were used to collect data at the baseline (for five minutes), during (for one minute) and after the drink (for five minutes). Paired and uunpaired student's t-test, one-way ANCOVA and one-way repeated measure ANOVA were used for analysis. Blood pressure parameters were followed minute by minute and HRV parameters were compared as a 5-minute of baseline segment to 5-minute post drink segment. Results: Within-the-group comparison exhibited significant increases in blood pressure parameters (systolic, diastolic, pulse and mean arterial pressure), over a 5-minute post-drinking period in both groups. Zamzam water caused a significant increase in SDRR (an indication of overall HRV) and RMSSD (an indication of vagal activity) as compared to baseline. Conclusion: Both drinks cause a significant increase in systolic, diastolic, pulse and mean arterial pressure within five minutes post-drinking period. Zamzam water produce a significant increase in cardiac vagal tone but has no effect on cardiac sympathetic activity. Mineral water has no significant effect on both, cardiac vagal and sympathetic activity. [ABSTRACT FROM AUTHOR]

Background: Many Muslims believe that water from the Zamzam well is the cure for every disease. Zamzam water (ZW) is naturally alkaline water consumed by millions of people worldwide. The current study investigated the effect of ZW on cell viability and apoptosis in breast, colorectal and ovarian cancer cell lines and compared the effect with that of drinking water (DW). Methods: Three different ZW samples collected from different sources at different periods were used. To balance the tonicity, ZW and DW were buffered using PBS and the pH was adjusted to 7.4. For the treatment, ZW and DW were diluted to 50% with RPMI medium (10% FBS). Cancer cell lines were treated with ZW or DW, with and without chemotherapeutic agents, for 24 h. Apoptosis was measured using flow cytometry whilst the level of protein expression was determined by Western blotting. Results: The results showed that treatment with ZW significantly increased cell proliferation compared to DW control. Treatment with ZW significantly suppressed the effect of chemotherapeutic agents on decreasing cell viability and inducing apoptosis in all the cancer cell lines compared to chemotherapeutic agents alone treated in DW. Furthermore, ZW treatment increased the phosphorylation of CRAF, MEK1/2, ERK1/2 and P38 proteins in these cell lines. Notably, treatment with ZW suppressed the effect of chemotherapy-induced reduction of CRAF, MEK1/2, ERK1/2 and P38 phosphorylation in breast and ovarian cancer cell lines. We also showed that silencing of ERK1/2 significantly increased the chemotherapy-induced apoptosis in breast and colorectal cancer cell lines. These data suggest that MAPK proteins; especially activated ERK1/2 may play a role in ZW mediated suppression of chemotherapy-induced cell death. Conclusions: These findings clearly demonstrate that ZW protects cancer cells from chemotherapy-induced apoptosis through activation of the ERK1/2-MAPK signaling pathway.

Introduction: Zamzam water is blessed water originated from Mecca and is believed by Muslims to have the ability to cure illness. This ability to cure illness is due to the fact that zamzam water has higher concentration of minerals especially sodium, calcium and magnesium which play a vital role. Sodium is reported to be involved in the regulation of the Mu-Opioid Receptor, which indirectly leads to the production of cAMP. Hence, this current study was carried out to investigate the synergistic effects of zamzam water and methadone combination on cAMP levels in human primary glioblastoma cell line (U-87 MG) after chronic morphine administration. Materials and Methods: The time course and concentration of morphine on U-87 MG cell line was determined. The U-87 MG cell line was incubated with morphine (25 µL/mL) for 24h, to make the cell dependent on morphine and later treated with different combinations of 3.2 mL of zamzam water and methadone (5, 10, 25 µL/mL). The levels of cAMP was determined using the enzyme-linked immunosorbent assay kit. Results: The result revealed that 3.2 mL of zamzam water incubated with 10 µl/ mL of methadone significantly prevented the overshoot production of cAMP level (p<0.05) in U-87 MG cell line after 48h incubation when compared to the untreated samples. Conclusion: These finding suggest that co-treatment with zamzam water and methadone could possibly avoid tolerance and dependence on chronic morphine treatment by preventing the up-regulation of cAMP level. [ABSTRACT FROM AUTHOR]

Background: Zamzam water (ZW) is a natural alkaline water that contains several minerals that may represent a powerful tool for cancer therapy.Objectives: In this research, in vitro antiproliferative and apoptotic effects of ZW were investigated in the human breast cancer cell line MCF-7.Materials and Methods: This study was conducted between January 2015 and February 2016. The effects of ZW on the morphology and the cell viability of human breast cancer cell line MCF-7 were determined. The cell death type and cell cycle changes were investigated using flow cytometry. Finally, reactive oxygen species (ROS) were also measured by fluorometric technique.Results: MCF-7 cells treated with either ZW with adjusted pH at 7.2 or unadjusted pH at 8 showed reduced cell viability of cancerous cells. The cell death occurred through the apoptosis pathway under both treatment conditions. The treated MCF-7 cells were arrested in the G2/M phase and decreased in the G1 phase. Only the unadjusted pH ZW sample demonstrated an increase in the production of both cytoplasmic and mitochondrial ROS in MCF-7 cells.Conclusion: All the results in the present study indicated, for the first time, that ZW might have anticancer and apoptotic effects on breast cancer cell line. [ABSTRACT FROM AUTHOR]

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• MW exhibited the highest flow value followed by ZW, SW and TW. • MW exhibited the highest compressive strength followed by ZW, SW and TW. • Using MW, ZW or SW as a mixing water led to an improvement in the microstructure. • ZW and SW can accelerate the polymerization process. This research is the first attempt to study the possibility of employing magnetic water (MW), Zamzam water (ZW) and seawater (SW) as mixing water for alkali-activated slag (AAS) pastes. The results of workability, pH value, compressive strength and microstructure of different specimens mixed with each type of water were compared with those mixed with tap water (TW). The X-ray diffraction (XRD), thermogravimetric analysis (TGA) and scanning electron microscopy (SEM) were used to analyze the results. The results showed that using MW, ZW or SW increased the workability, pH value and compressive strength of AAS pastes. The microstructures of the samples prepared with these water types were modified as confirmed by SEM, whilst the polymerization processes were accelerated as confirmed by TGA. It was found that MW has the height improvement followed by ZW and SW, respectively, whilst TW came in the last place. [ABSTRACT FROM AUTHOR]

Hematological disorders are common medical ailments constituting an important cause of morbidity and mortality worldwide, which may be managed efficiently using different prophetic medicine remedies as adjuvants to current therapeutics. Prophetic medicine includes the body of knowledge about medicine that has been derived from the deeds, customs (sunnah), ahadith (sayings), actions, and agreements of Prophet Muhammad, peace be upon him. This review article aims at exploring the magnitude of therapeutic benefits of prophetic medicine remedies as adjuvant treatments to many different types of hematological disorders. Herein, we reviewed many published research studies throughout the literature to delineate the potential therapeutic benefits of prophetic remedies on hematological disorders. Several types of hematological disorders may benefit from prophetic medicine remedies that are rich in natural antioxidants that combat oxidative stress-induced harm e.g. nigella sativa, oral honey, camel milk and urine, Ajwa date fruits, olive oil, Zamzam water and figs. Many prophetic medicine remedies were reported to decrease the hematological cytotoxicity effects induced by different chemicals and are beneficial in treating anemias e.g. iron deficiency anemia, sickle cell anemia, thalassemia, coagulopathies and hematological malignancies as leukemia and myeloma. These remedies treat or alleviate the different hematological disorders using different mechanisms e.g. modulating the immune function, treating deficiencies of different substances, protecting against toxins-induced cytotoxicity, decreasing platelets aggregation, suppressing clotting factors activation, exerting antineoplastic effects (enhancing cancer cells cytotoxicity) and inhibiting angiogenesis. Prophetic medicine remedies exert clinically significant therapeutic benefits for treating COVID-19 pandemic, anemia, thrombosis, thalassemia and blood cancers without inducing toxicity or side effects., Competing Interests: None., (AJBR Copyright © 2023.)

Parkinsonism is characterized by rest tremor, inflexibility, balance debilitation, slow motion and dementia. It is known to be caused by the deficiency of dopaminergic neurons in nigrostriatal pathway. Different studies propose that oxidative burden may be included in the apoptotic process in parkisnons disease. Zamzam water being alkaline in composition may diminish the oxidative stress and hence relieve the symptoms. Therefore, the purpose of this study was to explore the neuroprotective effect of zamzam water in chlorpromazine induced animal model of Parkinsonism. Results revealed that zamzam water did not show significant anticataleptic effect after 21 days as compared to chlorpromazine treated group. However, after 30 days of giving zamzam water showed highly significant decrease (p<0.001) in cataleptic score as compared to chlorpromazine treated group that is negative control. After 30 days of dosing, cataleptic scores by zamzam water were closer to standard drug but standard drug (levodopa/carbidopa) still showed better results than zamzam water. Results from histopathological study of rat's brain also revealed regenerative changes by zamzam treated water when compared with negative control. This regenerative change after zamzam water treatment might play a positive role in future if administered continuously. These results also suggest that zamzam water can be used in combination with standard drug to produce synergistic effect in the management of parkinsons disease. [ABSTRACT FROM AUTHOR]

Zamzam water is well documented for plenty of medicinal value for curing illness. In the present study, the effects of perinatal consumption of Zamzam and normal drinking water by the pregnant mice on their offspring’s physical parameters, early sensory motor reflexes, locomotor activities, acetylcholinesterase (AChE) activity in the homogenize brain tissue and blood parameters were compared. To achieve that; Zamzam water was given to female Swiss-Webster strain mice as the only source of drinking fluid and the control animals were administered plain tap water. Treatment started from the first day of pregnancy and continued until the postnatal day fifteen of delivery. All offspring were subjected to various tests. The rate of body weight gain remained relatively unaffected until the second week of weaning period, however; in the last week the offspring exposed to Zamzam water gained significant body weight as compared to their control offspring. Furthermore, the opening of eyes and appearance of body hairs in Zamzam exposed pups remained unaffected as compared to the controls. The sensory motor reflexes in Zamzam exposed pups after birth and during the first two weeks of weaning period were significantly increased. Locomotor Activity Test performed in the male and female offspring after weaning period showed a significant decrease in the male and increase in the female on most of the elements of this test due to Zamzam exposure. AChE activity in the homogenized brain tissue and blood parameters were unaffected as compared to the controls, the present Zamzam effects in the offspring are possibly via in utero action and/or via mother’s milk. [ABSTRACT FROM AUTHOR]

Background Radioprotectors are useful compounds to reduce radiation toxicity of normal cells. Many natural radioprotectors have antioxidant power and display fewer toxicity and side effects than the chemical ones. Alkaline waters such as Zamzam have antioxidant power potentially. This study aimed to investigate the radioprotective effect of Zamzam water in mice bone marrow exposed to gamma radiation by micronuclei test. Method Five study groups including control group which was fed by ordinary water, the second group was fed by Zamzam water, and radiation groups were received 2Gy gamma with ordinary and Zamzam water for 10 days and another for 20 days. The frequency of micronuclei and polychromatic erythrocytes to normochromatic erythrocytes ratio were calculated by micronuclei test. Result In the absence of radiation, no significant difference was found between Zamzam group and control in the number of micronuclei in normochromatic erythrocytes, micronuclei in polychromatic erythrocytes, and the polychromatic erythrocyte to polychromatic erythrocyte plus normochromatic erythrocyte ratio. But all of these indices were significantly different between irradiated and non-irradiated groups. The frequency of micronuclei in polychromatic erythrocytes was not significantly different between 10 and 20 days Zamzam irradiated groups, but the reduction in micronuclei in normochromatic erythrocytes and an increase in the polychromatic erythrocyte to polychromatic erythrocyte plus normochromatic erythrocyte ratio compared to ordinary water were seen in 20 days Zamzam group. Dose reduction factor was 1.36 and 2 for Zamzam water groups of 10 days and 20 days, respectively. Conclusion The results demonstrated that Zamzam alkaline water could reduce clastogenic and cytotoxic effects of gamma irradiation. [ABSTRACT FROM AUTHOR]

Abstract This paper construed to study the important optical properties of Zamzam water, optical absorption and transmission had been studied at different wavelengths (300 – 800) nm, the refraction index was determined at 589.8 nm, another important optical properties had been also calculated such as specific refraction, reflectance, finesse coefficient, permittivity and polarizability per unit volume, the paper also study important properties that is PH and ppm. All of these were compared with three samples of water which are; tap water, distilled water and magnetic water which has been prepared by an electrical coil of 200 Gausses. The results show that the optical absorption of Zamzam water is the largest compared with other sample at different wavelengths, specially at 5000 nm, and the transmission is the smallest, on the other hand the refractive index of Zamzam water is 1.3345 at 589.8 nm that is the largest compared with other sample, the PH for Zamzam water is 6.55 and ppm is 186. It has been concluded that Zamzam water has special optical properties compared with other sample. This lead to the possibility to use Zamzam water as an optical liquid which has unusual properties.

Water is the most precious natural resource on our planet. Drinking water should be pure and free of contaminants to ensure proper health and wellness. The purpose of the present study was to analyze the microbial and chemical composition of potable tap water and compare it with that of Zamzam water. Water samples were examined using standard methods of analyses following the World Health Organization (WHO) and United States Environmental Protection Agency (EPA) for drinking water, with respect to total dissolved solids (TDS), electrical conductivity (EC), pH, concentrations of calcium, magnesium, potassium, sodium, chloride, fluoride, sulphate, and nitrate. The two sources of water were examined for the presence of potential pathogens, which include viable counts for total viable bacterial count (TVB) and presence of coliform in water. The isolated strain of drinking water approved to be of family Enterobacteriaceae by the most probable number (MPN) technique. Suspected colonies were confirmed and identified as E. coli by cultural, morphological, staining characteristics and biochemical identifications. E. coli isolate was tested for its resistance to ten different antibiotics by the disc diffusion method. Also, the occurrence of filamentous fungi together with bacteriological parameters was assessed in this study, Aspergillus spp. was the most frequently isolated fungal species. The data suggested that the drinking water quality deterioration in Alexandria was unpalatable due to poor sanitation and unawareness about personal hygienic practices. On other hand there wasn't any sign of microbiological growth for Zamzam water samples and free from any contaminant. [ABSTRACT FROM AUTHOR]

Introduction: Chemical testing showed that Zamzam water is completely safe to drink and has health benefits due to its high percentage of sodium, calcium, magnesium, and many other minerals. The purpose of this study was to evaluate the remineralization effect of Zamzam water on extracted premolars using the Vickers Microhardness test., Methods: Teeth samples (N=40) with artificially induced carious lesions were divided randomly into four groups: Study group (I) treated with agitated Zamzam water (n=10), study group (II) treated with non-agitated Zamzam water (n=10), control positive group (III) treated with sodium fluoride (n=10), and control negative group (IV) treated with deionized water (n=10). Teeth were subjected to microhardness testing before and after artificial demineralization and after remineralization treatment within the four groups., Results: Following treatment with different solutions in both study and control groups, there was an increase in microhardness after remineralization but with varying degrees. The highest increase in microhardness was shown after remineralization with sodium fluoride followed by agitated Zamzam water., Conclusion: Zamzam water with agitation causes an increase in the microhardness of the enamel surface after demineralization. Zamzam water is an effective remineralizing agent in initial carious lesions, and its efficacy is comparable to that of sodium fluoride., Competing Interests: The authors have declared that no competing interests exist., (Copyright © 2022, Alkhalifah et al.)

Gentamicin is considered one of the most typical causes of testicular damage. Oxidative stress is a significant contributor to testicular tissue damage. Zamzam water (alkaline in nature) has an antioxidant effect. The purpose of this study was to assess the potential palliative effect of Zamzam water against gentamicin-induced testicular damage. Thirty Rats were separated into three groups, each with ten rats, as follows: The Control received only normal saline. The gentamicin group received 100 mg/kg/day of gentamicin intraperitoneally for six days from day 15 to the end of the experiment. The gentamicin +Zamzam Water group received a dose of gentamicin 100 mg/kg/day intraperitoneally with Zamzam water as their sole source of drinking from day one to day 21. Hormonal assay in serum, histological, immunohistochemical, and ultrastructural examination of testicular tissue with a molecular study were obtained. Pretreatment with Zamzam water significantly p < 0.001 increased serum levels of testosterone, FSH, and LH, as well as the percentage of sperm motility and progressive motility. It also upregulated SOD, CAT, GPx enzymatic activity, gene expression of Nrf2/HO-1, and immunoexpression of PCNA. While the percentage of dead sperm and abnormal sperm, immunoexpression of NFκB, Caspase 3, inflammatory cytokines TNFα, IL-1β, IL-6, and MDA levels significantly (p < 0.001) declined with histological improvement. It was concluded that Zamzam water as alkaline water possesses antioxidant, anti-inflammatory, and antiapoptotic effects against gentamicin-induced testicular toxicity in vivo.

Objective: We meet our water needs such as city water supply, natural spring water, Zamzam water was aimed to compare in terms of chemical ion concentration and heavy metal content. Methods: City water from the four regions with different source, Zamzam water and bottled natural spring water in samples, ions and heavy metal values measured. Results have been assessed according to the criteria specified in the United States environmental protection agency (EPA) and the World Health Organization (WHO). Results: In the sample of tap water taken from Konuralp, Al and Fe values were found over the EPA-WHO limit value. In the sample of bottled natural spring water, heavy metals are within the limits established. In the sample of Zamzam water Ca+2, Mg+2 values were higher than other samples but not exceeding the limits. In the sample of Zamzam water nitrate (NO3-), and vanadium (V) values is very high from samples taken of the city water. Conclusion: Water content may be different with the water supply and environmental effects. More extensive analysis should be done by municipalities to drinking water that contains ions and heavy metal and citizens to know the measurements of the water they drink should be informed periodically of local authority's websites. [ABSTRACT FROM AUTHOR]

This article reviews the mineral composition and potential health benefits of Zamzam water. Zamzam water is different from natural water in terms of minerals and radiological features. The miracle of Zamzam is its continuous flow since 2000 BC. The appearance of the Zamzam well led to the foundation of the settlement of the Makah valley. Zamzam water quenches the thirst and shows potential to cure numerous diseases. Different studies have been conducted to explore the mythical qualities of this water; still there is a need to conduct widespread research and to explore its healthcare benefits, mineral profile, and technological perspectives. Recent animal studies showed that Zamzam was effective against cancer, as it thwarts the development of tumors. [ABSTRACT FROM PUBLISHER]

A laser-induced breakdown spectrometer has been developed and optimized for the measurement of trace content of metals in Zamzam and in water processed by a Leveluck water machine. Zamzam water was frozen into ice using liquid nitrogen to overcome the LIBS diffi culties, specifi c to the detection of LIBS signal in liquid samples. The laser-produced plasma from the frozen ice sample was then analyzed using this LIBS spectrometer. The important parameters that can influence the sensitivity of the LIBS system, including the laser pulse width and energy, the sample homogeneity and the sampling geometry were optimized. [ABSTRACT FROM AUTHOR]

Abstract: Many Muslims drink Zamzam water for use either medicinally or religiously. Millions of pilgrims drink it and take bottles of it to their home countries. Heated scientific and political debates appeared after BBC reported in May 2011 that Zamzam water is poisonous, because of the high levels of arsenic. The World Health Organizations classifies arsenic as a human carcinogen, but some types of arsenic are also used as medicines. Adequate scientific studies on the Zamzam water are absent. This paper will provide, for the first time, basic and comprehensive information regarding the geochemical properties of Zamzam water for more than 30 indicators and using the state-of-the-art laboratory facilities. The data will help us to understand the sources of pollution under discussion, reactions at both local and international levels; and will highlight the potential healing capacity of Zamzam water. Thirty Zamzam water samples were collected by three distinct methods; from 10 pilgrims living in different locations in Germany in 2007, 10 samples from shops in Frankfurt and Berlin in 2011, and 10 samples directly from Makkah in 2011. The samples were analyzed 2weeks after collection for more than 30 indicators: pH, EC, Eh, Cl, F, Br, NO3, PO4, SO4, HCO3, Ag, Al, As, Ba, Ca, Cd, Co, Cr, Cu, Fe, K, Mg, Mn, Na, Ni, Pb, Sr, and Zn beside others. Four major instruments were used; the IC, the ICPOES, the ICPMS and the HGAAS. The quality of the water did not change for 2years and there was an excellent agreement among the results of the 30 water samples as well as between the results of the 2years for the same samples analyzed in 2007 and 2008. The water is alkaline (average pH is 8) with an average Li concentration of 15μgL−1. The average concentrations of As and NO3 showed values three times higher than the WHO standards (27μgL−1 and 150mgL−1, respectively). The averages of Ca and K were 95 and 50mgL−1, respectively. Very urgent steps are required to scientifically screen for the elevated parameters As, NO3, Ca, and K in all Zamzam water sources and locations with full transparency. The resultant information should be made available to the public, and the relationship between pollution and human health should be addressed. The alkalinity of Zamzam water and the presence of trace amounts of As and Li may cause the healing power. However, a scientific strategy should be developed and adopted to enable further research and studies on toxicology and treatment technologies could be applied if needed. [Copyright &y& Elsevier]