Containing Glucosamine Sulphate, MSM, Chondroitin Sulphate and Hyaluronic acid (HA) which are key cartilage nutrients plus it also has the added benefits of a powerful anti-oxidant formula which has been exclusively designed to help with excess free radical build up around the joint. Research recommends that feeding a combination of these key nutrients allows them to work together more effectively than any one nutrient fed alone.