سعر كوبال ف Cobal F‏ 500/200مكجم 30 قرص 2026

• The US Food and Nutrition Board did not establish a tolerable upper intake level for vitamin B12 because of its low potential for toxicity.General active-ingredient information · NIH Office of Dietary Supplements
• High folic acid intakes may mask vitamin B12 deficiency (correcting the anaemia while neurological damage can progress).General active-ingredient information · NIH Office of Dietary Supplements (via shared ingredient cache)

• Gastric acid inhibitors (proton pump inhibitors, H2-receptor antagonists)May interfere with absorption of vitamin B12 from food.NIH Office of Dietary Supplements
• MetforminMight reduce vitamin B12 absorption and serum vitamin B12 concentrations.NIH Office of Dietary Supplements
• MethotrexateFolate may interfere with the anticancer effect of methotrexate.NIH Office of Dietary Supplements (via shared ingredient cache)

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