This supplement provides 500mg Vitamin C, which is very important for a healthy immune system, and takes part in the repair and renewal of tissue. Featured Product Information : May be included into a supplement regime during winter months to ensure an efficient immune sytem. Directions: One to three tablets daily with food Suitable for Vegetarians and Vegans Nutritional Information Name Amount R.D.A. Citrus Bioflavonoids 50 mg 0 Vitamin C 500 mg 833