Advanced buffered form of vitamin C that’s gentle on the digestive system. What is Vitacost Advan-C? Vitacost Advan-C is an advanced form of vitamin C that has been specially formulated to not irritate the digestive system. Unlike other vitamin C supplements which supply vitamin C as basic ascorbic acid Advan-C consists of a mineral ascorbate complex with vitamin C bonded to calcium. Mineral ascorbates are “buffered” making them less acidic and more well tolerated than other forms of vitamin C. . How does vitamin C support health? Promotes healthy collagen skin and wound healing.*. Helps maintain the integrity structure function and activity of the endothelium.*. Promotes the maintenance of healthy DNA.*. Helps maintain a healthy cardiovascular system.*. Helps maintain healthy blood pressure levels already within normal range.*. Why choose Vitacost Advan-C? Gentle on the digestive system. Supplies 500 mg of vitamin C per 1-capsule serving. Contains 300 servings per bottle. High quality great value! About Vitacost. Vitacost nutritional products are manufactured to high standards of quality efficacy and safety. Each Vitacost product meets or exceeds the standards and requirements set forth in the FDA’s Code of Federal Regulation (21 CFR 111) Current Good Manufacturing Practices (CGMP). . . . * These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose treat cure or prevent any disease.