NutriCology Buffered Vitamin C Description: Antioxidant. Benefits: Heart Disease, Hypertension, Inhibition of LDL Oxidation, Cataracts, Asthma and Wound Healing Buffered Vitamin C contains high-purity ascorbic acid with carbonates of potassium, calcium and magnesium. Buffered C has an acid-alkaline buffering action that can help control the increased acidity often associated with allergic reactions. Disclaimer These statements have not been evaluated by the FDA. These products are not intended to diagnose, treat, cure, or prevent any disease.