Vitamin C, also known as ascorbic acid, is the active ingredient in Vitamin C 500 Tablet. It is a dietary supplement. Vitamin C 500 Tablets are used to treat vitamin C deficiency. Vitamin C is a natural antioxidant that aids in the prevention or reduction of cell harm. It is needed to maintain the health of body tissues and the immune system. Vitamin C is needed for collagen synthesis, which aids wound healing and improves the appearance of the skin, hair, and nails. It is also essential for iron absorption.