Solgar's Calcium Ascorbate is a buffered (non-acidic) formulation providing 100% pure and fully reacted calcium ascorbate. Vitamin C is a water-soluble nutrient with revered antioxidant properties. In addition to helping to fight cell-damaging free radicals, it also promotes collagen (connective tissue) formation, which is important for healthy nails, skin, hair, and joints. Vitamin C supports respiratory and immune system health, promotes blood vessel integrity, enhances healthy blood flow and is beneficial for healthy gums. It helps regenerate Vitamin E, allowing Vitamin E's antioxidant properties to be maintained. This pH-balanced formula is intended to be gentle on the stomach.