The No1 Joint nutraceutical - a unique formulation of the refined isolates of Chondroitin Sulphate and Glucosamine Sulphate, in a special blend designed to achieve exceptional assimilation and effectiveness in the promotion and maintenance of healthy joints. Also contains Methylsulphonylmethane (M.S.M.) to assist the passage through the cell walls. In a double blind test, 100% of the trial horse and ponies using Cortaflex showed a substantial improvement in stride length within days.