Omega Alpha Glucosamine Sulphate (GLS Powder)D Glucosamine Sulphate Plus Essential Trace Minerals GLS Powder helps maintain healthy cartilage and joint functions. Maintains healthy joints Acts as a source of raw materials for cartilage repair Trace minerals are important for cartilage, ligament and bone strength Supplies sulfur to the body which is important for many biochemical reactions in the body 1 Kg