A Blend of Three Supplements Doctor's Best Glucosamine Chondroitin MSM Caps is a blend of three powerful supplements that are essential for healthy growth and development. The MSM is lignisul chondroitin sulfate. These supplements are good for everyday use. Maintains healthy joints and connective tissue Supports joint structure, function and comfort Contains sodium-free potassium These science-based nutrition dietary supplements are good to support joint structure, function and comfort. Just For You: Adults A Closer Look: Doctor's Best Glucosamine Chondroitin MSM Caps contains sodium-free potassium stabilized glucosamine sulfate, bovine chondroitin sulfate and pure MSM. Glucosamine sulfate is derived from the shells of ocean grown shellfish. This supplement is processed to remove all residues of protein and impurities. Dietary Concerns: Glucosamine is obtained from the shells of shellfish. Usage: Take 2 capsules twice daily, with or without food FDA disclaimer: These statements have not been evaluated by the FDA. This product is not intended to diagnose, treat, cure or prevent any disease.