Vitamin C helps support the immune system, aids in the absorption of iron and fights against free radical damage*. One of the most important vitamins, vitamin C also helps form teeth and bones and supports the connective tissues. Nature Made 1,000mg vitamin C tablets pack 1,000mg into each dose. Product Features: Supports the immune system and aids in the absorption of iron Helps protect the healthy cells of the body by fighting against free radical damage Promotes the growth of collagen, the main protein substance of the human body that holds connective tissues together in skin, bone, teeth and other parts of the body