Dietary Supplement. USP verified. Ascorbic acid tablets USP. Helps support the immune system. Formulated for easy absorption. Fuel your greatness. Antioxidant - helps support the immune system. Vitamin C helps neutralize free radicals and helps the body absorb iron. No artificial colors. No artificial flavors. No preservatives. No yeast or gluten. USP has tested and verified ingredients, potency and manufacturing process. USP sets official standards for dietary supplements. (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.)