Dietary Supplement. Natural. The benefits of Full Circle Supplements: Supports healthy joints. Supporting Vitamin Angels. vitaminangels.org. Return to a natural way of living. Contains no artificial colors, flavors or preservatives; no wheat, gluten, milk, eggs, peanuts, tree nuts, soy or fish. Glucosamine sulfate is a natural seafood extract derived from crab shell. A building block of tissue, glucosamine helps the body manufacture substances necessary for healthy joints. Its potassium level helps support nerve and muscle health, as well as cell fluid balance. Chondroitin sulfate is a natural extract from beef cartilage, which supports healthy connective tissue. Used in combination, glucosamine and chondroitin provide maximum support for healthy joints. Gluten free. 100% satisfaction. (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.)