Designed for individuals sensitive to acidic foods and beverages, Buffered Vitamin C 1000 mg is a combination of ascorbic acid buffered with two mineral ascorbates to supply a potent amount of essential antioxidant vitamin C in a stomach-friendly, reduced acidity blend. Sodium ascorbate and calcium ascorbates are mineral salt forms of vitamin C and assist in buffering the acid component of vitamin C for individuals with gastrointestinal sensitivity. Citrus bioflavonoids are added for increased bioavailability and increased antioxidant support.*