Fosteum is part of the Medical Foods class and treats Osteoarthritis. Medical foods are used to treat various conditions including Alzheimer's disease, osteoarthritis, diabetic neuropathy, and depression. They work by supplying nutrition not available in a normal diet for the management and treatment of certain diseases. Fosteum is only available as a brand name drug. Get Fosteum for as low as $4,830.63, save up to 80% off the average retail price for the most common version, by using a GoodRx coupon.