Sustained Release Tablets 1,000 mg Vitamin C per 2 tablet serving as 8 Mineral Ascorbates & B Vitamins and Bioflavonoids for a Healthy Immune System and Sustained Energy Dietary SupplementEmergen-C Feel the Good!SuperGram III is so much more than a Vitamin C tablet. Built on 8 forms of vital, life-sustaining Vitamin C as mineral ascorbates, SuperGram III also contains B Vitamins and powerful antioxidants such as Vitamins A, E and Selenium in a stomach-friendly formula for advanced immune system support.