What you should know about: Metformin

If you've been diagnosed with type 2 diabetes or you're prediabetic, there's a good chance you've been placed on at least one medication to control your blood glucose levels. Glucose is a sugar that provides energy to the body's cells.

Physicians have several diabetes medications at their disposal (see chart). Some drugs help stimulate the pancreas to make more insulin, a hormone that moves glucose from the blood and into cells, where it's needed for energy. These include meglitinides and sulfonylureas, some of the oldest diabetes drugs.

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