Nature Made Vitamin C 1000mg Tablets are a high-potency dietary supplement that delivers 1000mg of Vitamin C (as Ascorbic Acid) per tablet. These USP verified tablets support immune health, provide antioxidant support, and aid in iron absorption. Gluten free with no artificial flavors, no color added, and no preservatives. Made from carefully selected, high-quality ingredients. Adults, take 1 tablet daily with water and a meal.