Hi, I've been diabetic for 31 yrs. Startd on Metformin/Glibenclamade. Insulin when pregnant. Now on Humalog and Lantus. Want to revert to Metformin as sugar levels are 6, creatine 79, chol ldl 2.1,, hdl 2.66 fbc nad alb/creatine 1.3. Is it possible without becoming dangerous to my health?