I feel it should be made OTC at a low dose of 250 mg. A few years ago, there was a concern with metformin being contaminated with carcinogenic nitrosamines. I

I feel it should be made OTC at a low dose of 250 mg. A few years ago, there was a concern with metformin being contaminated with carcinogenic nitrosamines. I don't know if this ever actually got resolved, also in the context of what people order on their own from abroad.