Description Dietary Supplement For Lady & Gentlemen. Vitamin C is a key protector of the body from the ravages of potentially harmful free radicals. An effective aid in maintaining a healthy immune system. Aids in the formation of collagen. Sometimes known as ascorbic acid, vitamin C is a water-soluble vitamin found in such foods as citrus fruits, green and leafy vegetables, tomatoes and cauliflower. In addition to the formation of collagen, vitamin C is a key protector of the body from the ravages of potentially harmful free radicals, as well as an effective aid in maintaining a healthy immune system.