Pure® Encapsulations Glucosamine, Chondroitin and MSM is a dietary supplement that provides this combination of ingredients in high concentration. Glucosamine Chondroitin is a concentrated blend of glucosamine from shellfish with chondroitin sulfate and the patented form of the essential sulfur MSM (OptiMSM®). Adds nutrients to your diet for joint support. Glucosamine is used by the body to make joint cartilage. Directions: People looking to include nutrients in their diet that support joints. How to use: Take 2 capsules twice daily with meals. Caution: If you are pregnant, breastfeeding, have any health conditions, or are taking any medications, consult your healthcare professional before using this supplement. Conservation: Store in a cool, dry place.