* Science-Based Nutrition * Dietary Supplement * OptiMSM * Maintains Healthy Joints & Connective Tissue The amount of chondroitin sulfate is verified by CPC Titration testing, using the USP Test Method & USP Reference Material (dried). Gluciosamine Chondroitin MSM contains sodium-free potassium stabilized glucosamine sulfate, bovine chondroitin sulfate plus pure MSM (OptiMSM). Helps maintain strong, healthy and flexible joints. Supports the body"s connective tissue. Benefits hair, skin and nails.