Dietary Supplement. Joint health. Low molecular weight, better absorbed. Helps build and maintain joint cartilage. What better feels like. GS-500 and Chondroitin dietary supplement is the first product to combine Enzymatic Therapy's popular G5-500 glucosamine sulfate with low molecular weight chondroitin sulfate. The result is a highly absorbable formula offering ultimate support for joints and cartilage. Our chondroitin sulfate has an average molecular weight less than 16,000 Daltons - less than half the molecular weight of mast chondroitin products. This results in improved absorption. ETI is an FDA registered Drug Establishment. Contains no sugar, yeast, wheat, gluten, corn, dairy products, artificial flavoring, or preservatives. All colors used are front natural sources. Laboratory tested purity, safety & performance. enzy.com. (This statement has not been evaluated by the Food & Drug Administration. This product is not intended to diagnose, treat, cure or prevent any disease.)