1,500 mg of Glucosamine Sulfate Dietary Supplement Shown to Help Build and Support Joint Cartilage 1 Packet Daily What Better Feels Like Purity, Safety & Performance - Laboratory TestedDoctor-Recommended The glucosamine sulfate in GS-1500 dietary supplement is up to 90% absorbable, which makes it more readily available to the body to support healthy articular cartilage. Clinical studies show it"s a key building block for connective tissue and cartilage. One packet per day is all you need! Glucosamine Sulfate is clinically studied to build cartilage, and comes in an easy-to-use, dissolvable powder. One packet, mixed once a day with water or your favorite beverage, is all you need for optimum joint support. Enzymatic Therapy: A Name You Can TrustAt Enzymatic Therapy, we"ve embraced a pharmaceutical-minded commitment to quality that enables us to produce reliable natural medicines and dietary supplements backed by solid research. Our Scientific Advisory Board, comprised of respected scientists and health professionals, provides expertise and guidance to help ensure our products meet exacting standards. They also provide direction and support for new product development. All so you can use Enzymatic Therapy products with absolute confidence.