It comprises a high-potency, ultra-absorbable vitamin C formula. Provides powerful support for immune system health. Inhibits oxidative stress. It includes a mixture of calcium and magnesium favorable to sensitive stomachs. Vitamin C is a powerful natural antioxidant that has a profound impact on the health benefits of the entire body. This essential nutrient supports immune health, iron absorption, collagen formation, and more. Quercetin also promotes endothelial health and helps maintain healthy blood pressure already within the normal range. It is recommended to take 1 tablet once or twice a day with or without food, or as recommended by a healthcare professional. Store tightly closed in a cool, dry place.