A Quality Chondroitin sulphate supplement with patented CS Bio-Active? (the most researched brand of Chondroitin sulphate in the world) from the renowned joint expert, Bioiberica SA, Spain. Chondroitin sulphate is a major component of the cartilage in our bodies. It helps to cushion our joints, provide structure, hold water and nutrients, and promote elasticity in the cartilage. It also helps protect, reverse damage and promote repair in joint cartilage for pain-free, flexible movement. Use with Nn Bio Glucosamine 500 for even better results!