Compare vitamin C capsules, tablets and powders using the same starting points: the vitamin C amount per serving, the number of pieces or scoops needed, and the other ingredients. Relevant examples here include Ester-C capsules and liposomal vitamin C capsules. The archive also includes other vitamins, so verify that the selected label actually lists vitamin C before comparing it. Format alone does not establish identical composition or a superior product.View Ester-C with Citrus Bioflavonoids – Non-Acidic Form of Vitamin C – 500 MG (120 Capsules).