Parameters Ordinary water Zamzam water Control* Carbon tetrachloride Control* Carbon tetrachloride Direct bilirubin (mg/dl) 0.00 a 0.33 ± 0.07  b 0.00 a 0.21 ± 0.07 b Total bilirubin (mg/dl) 0.12 ± 0.2 a 0.62 ± 0.11 b 0.12 ± 0.02 a 0.43 ± 0.10 b gglutamyltranspeptidase (U/l) 0.00 a 2.11 ± 0.51 b 0.00 a 2.40 ± 0.80 b Aspartate aminotransferase (U/l) 149 ± 19 a 3355 ± 565 b 135 ± 10 a 1947 ± 578 c Alanine Aminotransferase (U/l) 76 ± 7 a 4751 ± 716 b 53 ± 4 a 2940 ± 758 c Alkaline phosphatase (U/l) 200 ± 19 a 190 ± 16 a 165 ± 14a 190 ± 19 a * Rats Injected with olive oil injection Means in the same row with the same letter are not significantly different.

Table 2: Total bilirubin, direct bilirubin and liver enzymes in rats given ordinary and Zamzam water, with and without high dose (2 ml/kg, experiment 1) carbon tetrachloride treatment.