High-purity ascorbic acid buffered with carbonates of calcium and magnesium. Buffered vitamin C was developed by the Allergy Research Group® founder, Stephen A. Levine, Ph.D.Supports a wide variety of biochemical reactions throughout the body, including synthesis of collagen, detoxification, and immune system functions*Helps to protect several other nutrients*Buffered form provides significant supplemental levels of calcium and magnesium, and can enhance alkalization* As a dietary supplement, 2 capsules daily between meals, or as directed by a healthcare practitioner. Serving Size: 2 capsules Amount Per ServingVitamin C ... 1000mg(as Ascorbic Acid)Calcium ... 190mg(as Calcium Carbonate)Magnesium ... 104mg(as Magnesium Carbonate) Other Ingredients: Hydroxypropyl methylcellulose, silicon dioxide, microcrystalline cellulose, stearic acid, magnesium stearate. Variations in product color may occur. Keep in a cool, dry place, tightly capped.