Science-Based Nutrition Dietary Supplement Healthy Joint Support Non-gmo/Gluten Free/Soy Free Glucosamine is a building block used for the biosynthesis of proteoglycans in healthy joints. Proteoglycans help contribute to the maintenance of sound joint structure. Glucosamine helps support and maintain healthy joint function. Potassium Sulfate is added to support the formation of sulfate linkages found naturally in the hydrocolloid chondroitin sulfate and proteoglycans. Supports Joint health Healthy joint function