21st Century C-500 is a chewable vitamin C supplement containing 500mg per tablet. These dietary supplements come in a convenient 30-tablet bottle and are designed to help neutralize free radicals while supporting immune system health. The tablets are in chewable form for easy consumption. Each tablet contains 500mg of Vitamin C, which is known to be an essential nutrient for immune system function and antioxidant support. The product is manufactured by 21st Century, a trusted name in dietary supplements. As with any supplement, consult with a healthcare provider before starting use.