12/case suggested adult use: take one (1) capsule twice daily, preferably without food. Higher intakes may be useful, as recommended by a nutritionally-informed physician. Serving size: one (1) capsule ingredients: vitamin c (as qualitm-c ascorbic acid) 500 mg other ingredients: modified cellulose (vegetarian capsule). Non-gmo/gluten free/vegan 9/27/16