PhytoTreat Glucosamine-Extra supports healthy cartilage and supple joints of dogs. It is an animal feed supplement with high doses of glucosamine, chondroitin and MSM that is enriched with hydrolysed collagen and plant extracts. Glucosamine and chondroitin are essential components of cartilage in the joints. MSM supports the production of collagen, an important component of cartilage and connective tissue. Glucosamine-Extra contains natural ingredients.