Dan Abel wrote:
>
> [I am not a doctor and don't play one on tv. It would be wise to
> consult a knowledgeable doctor if you have concerns.]

Then let me be very clear. I took metformin for many years, developed
an increasing creatinine level and was sent to a nephrologist. He
declared that metformin is a bad drug, hard on the kidneys, and wanted
it removed. That opinion was confirmed by the Johns Hopkins
nephrologist who now sees me.
I take a different drug