Dietary Supplement. Elemental magnesium 400 mg per serving. Vegan. Gluten free. Free of milk, egg, fish, crustacean shellfish, tree nuts, peanuts, wheat and soybeans. Also free of yeast, gluten, barley, rice and sugar. Made with non GMO ingredients. Bluebonnet's magnesium citrate 400 mg caplets contain magnesium in a chelate of magnesium citrate. Magnesium is required in over 300 biochemical reactions in the body but is primarily known to calm the mind and body, reduce stress, induce restful sleep, increase bone density, as well as support immune and cardiovascular health. Available in easy-to-swallow caplets for maximum assimilation and absorption. Minerals are shown in their elemental value. www.bluebonnetnutrition.com. (These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure or prevent any disease.)