Vitamin C, also known as ascorbic acid, is a water-soluble vitamin needed by the body for many vital metabolic reactions. Vitamin C is needed as a coenzyme for many metabolic pathways. Vitamin C is a powerful antioxidant, with important roles in connective tissue, bone and skin health, immune function, and cardiovascular health.** It is also necessary to convert folic acid into its active form, and helps the body absorb iron. Good food sources of vitamin C include all citrus fruits (oranges, grapefruit, lemons), strawberries, tomatoes, broccoli, Brussels sprouts, peppers, potatoes and cantaloupe. This formula combines vitamin C with rose hips (a natural form of bioflavonoids) and is buffered in case the acidic nature of Vitamin C irritates your stomach.