Side Effects of Metformin as a Life-Extension Drug

Side effects of Metformin 1.Vitamin B12 deficiency 2.Low testosterone level 3.Diarrhea 4.Vomiting 5.Nausea Vitamin B12 deficiency Metformin at ≥1500 mg/d could be a major factor related to vitamin B12 deficiency, whereas concurrent supplementation of multivitamins may potentially protect against the deficiency Sources of Vitamin B12 Vitamin B12 is present in foods of animal origin, including fish, meat, poultry, eggs, and dairy products. Plant foods do not naturally contain vitamin B12. However,

After Metformin, Which Drug Makes the GRADE?