They should check it for reducing the progression of Alzheimer’s which they have taken to calling Type 3 Diabetes.
But they need to find the lowest dose that accomplishes the desired effect.
Metformin has some nasty side effects.
Agreed. Doctor diagnosed me as pre-diabetic, Type 2 and put me on it but had issues with. Another person I know that used it said I should have toughed it out. Been on a lot of different meds over the years but Metformin was nasty.