Side effects. Calcium supplements help metformin users absorb vitamin B12.
D002118:Calcium / Q000008:administration & dosage*; D003924:Diabetes Mellitus, Type 2 / Q000188:drug therapy*; D006801:Humans; D007004:Hypoglycemic Agents / Q000627:therapeutic use*; D007408:Intestinal Absorption; D008687:Metformin / Q000627:therapeutic use*; D014805:Vitamin B 12 / Q000097:blood / Q000493:pharmacokinetics*
D007004:Hypoglycemic Agents; D008687:Metformin; D014805:Vitamin B 12; D002118:Calcium