Endure is a powdered nutritional supplement for dogs that is designed to help maintain joint integrity and gut function. Green Lipped Mussel (Perna Canaliculus) is an edible shellfish from New Zealand long known for it's anti-inflammatory properties. Perna is also a rich source of amino acids， fatty acids， vitamins and naturally chelated minerals. Perna contains six types of glycosaminoglycans (GAGS). Glucosamine enhances glycosaminoglycans synthesis， enabling joints to hold more moisture thereby increasing joint flexibility. Chondroitin Sulfate is a building block of cartilage and also a precursor needed to improve the viscosity of synovial fluid. Psyllium is a soluble fiber that helps strengthen the gut vili. Psyllium also helps to slow water movement through the gut