Buffered C-1000 is a sustained release formula for slow release of Vitamin C throughout the day with added synergistic antioxidant effect of Citrus Bioflavonoids. Buffering reduces acidity and improves absorption, making it suitable even for sensitive stomach. Suitable for Vegetarian Directions: 1 caplet daily after meal or as prescribed by your doctor Ingredients: Active Ingredients Per Caplet %US RDA Vitamin C Buffered (Calcium Ascorbate) 1000mg 1667% Citrus Bioflavonoids 100mg