Tight Joints Plus – Provides horses with the most effective team of nutraceuticals on the market today. Using only the highest form of ingredients available, combines the joint support properties of glucosamine, hyaluronic acid and shark cartilage (20% chondroitin sulfate) with the cell health and collagen synthesis properties of MSM in one convenient supplement. Supplies additional natural ingredients that help manage normal discomfort caused by daily exercise and training. Helps support structural integrity of joint connective tissue. Helps maintain joint mobility. No fillers. Veterinarian recommended by Dr. Lutz Harfst, DVM.