Antioxidant Protection With Bioflavonoids, Rose Hip & Acerola Non-GMO A Dietary Supplement Vegetarian - Vegan Vitamins Family Owned Since 1968 GMP Quality AssuredVitamin C is an essential nutrient well known for its vital role in the immune system. It is a highly effective antioxidant that can protect the body's structures from oxidative damage generated during normal metabolism. Vitamin C is also necessary for the production of collagen and is therefore important for skin, bone, and joint health. This product utilizes Calcium Ascorbate, a buffered form of Vitamin C that is bioavailable and non-acidic, and is enhanced with Bioflavonoids, which work synergistically to support Vitamin C utilization.