I was going to say that your doctor won't be allowed to prescribe metformin, but I checked and the FDA is fine with your doc independently prescribing drugs for

I was going to say that your doctor won't be allowed to prescribe metformin, but I checked and the FDA is fine with your doc independently prescribing drugs for off-label use. The manufacturer of metformin isn't allowed to market it as an anti-cancer drug, but what doctor won't be aware of this?