1500mg of Glucosamine Sulfate. Shown to help build and support joint cartilage. Joint Health. Doctor-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 shown 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 Trust. At Enzymatic Therapy they've embraced a pharmaceutical-minded commitment to quality that enables them to produce reliable natural medicines and dietary supplements backed by solid research. Their Scientific Advisory Board comprised of respected scientists and health professionals provides expertise and guidance to help ensure their 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.