Our Spring Valley Vitamin C Fast Dissolve Tablets Dietary Supplement, Orange Flavor, 500 mg is formulated to promote your immune health.* Each serving size of two tablets delivers 500 mg of vitamin C. Vitamin C is a potent antioxidant and an essential nutrient that may support immune, cardiovascular, and bone health.* These fast-dissolve tablets feature a delicious orange flavor. They contain no gluten, soy, lactose, artificial colors or dyes. They are also suitable for vegetarian and vegan diets. The suggested use for adults is one tablet twice per day, dissolved in the mouth and then swallowed.