It was used to bring my period on, which I NEVER get unless I use some sort of B.C. pill. The first couple weeks, I was so nauseous,and had the upset stomach
horrible! I gradually lost my appetite, and therefore have lost some weight, which is another reason Metformin is given. It's really a diabetic medication as well, so make sure to check your sugar occasionally, like if you get the shakes or something.