Dietary Supplement. Gluten free. Vegan. Made with Non-GMO ingredients. Vitamin C plus citrus bioflavonoids. Bluebonnet's C-1000 mg Plus Bioflavonoids Caplets contain non-GMO, identity preserved (IP) vitamin C from L-ascorbic acid. along with a citrus bioflavonoid complex from oranges, lemons. tangerines, grapefruit and limes. as well as hesperidin and rutin to help support immune function. Available in easy-to-swallow vegetable capsules for maximum assimilation and absorption.Bluebonnet's KOF-K Certification No. K-0000700. www.bluebonnetnutrition.com. (These statement have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.)