Buffered C provides 1000 mg of vitamin C with multiple mineral ascorbates to make it easier for the patient to digest this amount of vitamin C. Buffered C includes 5 essential minerals: calcium, magnesium, zinc, manganese and potassium. The formula also contains 100 mg of bioflavonoids. Vitamin C functions as an antioxidant and as an immune supplement. The formula is free from artificial colors and preservatives, is gluten free and hypo-allergenic.