* The Energy Supplements * Antioxidant * Dietary Supplement * Vitamin C 1000 mg with 500 mg Bioflavonoids * Gluten Free * Quality, Natural Supplements * Hypo-Allergenic * Vcaps Nutritional Support for Free-Radical Defense. Nature"s Plus now offers Super C Complex in a non-sustained release formula for those who prefer the immediate release of mega-potencies of the C Complex. Vitamin C is the most well-known and highly regarded vitamin in the world, and with good reason: its antioxidant powers run broad and deep.