Enzymatic Therapy® GS-500 and Chondrotin is a dietary supplement containing easily absorbable glucosamine sulfate with low molecular weight chondroitin sulfate, both of which have been clinically shown to actively improve the development of healthful articular cartilage and connective tissue, and to enhance the manufacture of the cushioning fluid in the middle of the joints. It comes in a convenient soluble powdered form to mix with water or other drink so that one pack per day supplies enough nutrients to promote healthy joints.