Ergocalciferol (Vitamin D2, Drisdol) is a man-made form of vitamin D. It helps your body keep the right amount of calcium and phosphorus for healthy bones and teeth. It is more popular than comparable drugs. It is available in multiple generic and brand versions. Generic ergocalciferol is covered by most Medicare and insurance plans, but some pharmacy coupons or cash prices may be lower.

Get Vitamin D2 for as low as $2.90, which is 89% off the average retail price of $26.59 for the most common version, by using a GoodRx coupon.