Gluten Wheat & Dairy Free. Suitable for Vegetarians. Kosher. Hy-C offers 600 mg of pure Vitamin C combined with natural citrus bioflavonoids rutin and hesperidin which may enhance the absorption and utilization of Vitamin C. Vitamin C is a water-soluble nutrient with revered antioxidant and immune supportive properties. Combined with 175 mg natural bioflavonoids and 25 mg of rose hips each single tablet serving of Hy-C offers a synergistic antioxidant support to combat cell-damaging free radicals which can cause premature aging.