Nature Made Vitamin C 500 mg is ideal for those looking to supplement their diet to meet daily Vitamin C nutrient needs. Each serving (1 tablet) provides 500mg of Vitamin C more than 100% of the recommended dietary allowances for healthy adults 19 years and older.(1) Vitamin C is an antioxidant that helps neutralize free radicals we generate from a result of everyday living. Vitamin C helps support your immune system when you are under stress. Vitamin C is needed for collagen synthesis – our skin support structure which plays an important role in healthy skin. Vitamin C also increases the absorption of iron from food. Give your body the immune support it needs with Nature Made Vitamin C 500mg Tablets. (1)The Vitamin C recommended dietary allowance (RDA) for healthy women and men 19 years and older is 75mg and 90mg respectively. *Based on a survey of pharmacists who recommend branded vitamins and supplements.