NOW Supplements, Vitamin C-1000 Complex with 250 mg of Bioflavonoids, Buffered, Antioxidant Protection*, 90 TabletsANTIOXIDANT PROTECTION*: A highly effective antioxidant that can help maintain healthy tissues by neutralizing free radicals generated during normal metabolism and exposure to environmental stressors.* Product Note: Exposure to heat or sunlight may lead to melting damage of product. Hence customers are expected to be available during the product delivery VEGAN TABLETS WITH 250 MG BIOFLAVONOIDS: Supplies calcium ascorbate, a buffered form of vitamin C