What Is A 1/4 Pill?

What Is A 1/4 Pill? Pill with imprint A 1 4 is White, Elliptical / Oval and has been identified as Metformin Hydrochloride 1000 mg. It is supplied by Aurobindo Pharma. Metformin is used in the treatment of diabetes, type 2 and belongs to the drug class non-sulfonylureas. What is m1 pill used for? Metoprolol