can diabetics have b12 injections Does metformin interact with vitamin B12? assalamuwalaikum, Metformin can reduce absorption
assalamuwalaikum, Metformin can reduce absorption of Vitamin B12, and this is a well established long term adverse effect. Mechanism Metformin mainly interferes with: Calcium dependent absorption of the intrinsic factorB12 complex in the terminal ileum Should You Take Vitamin B12 With Metformin? Vitamin B12 Deficiency and Diabetes Klinio What is the recommended dose of vitamin B12 (cyanocobalamin or methylcobalamin) injection for a non diabetic 61 year old female with neuropathy symptoms and a vitamin B12 deficiency (level of 348 pg mL)?
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