(Med-Vet Pharmaceuticals) 4-in-1 + H/A Pellets are an advanced formula, all-in-one supplement to support healthy joints, hooves, hair coat and, digestion in horses. Contains 7,000 mg glucosamine sulfate, 50 mg hyaluronic acid, 1,000 mg chondroitin sulfate, 3,000 mg MSM, 3,000 mg yucca extract, and 500 mg Ester-C per 2 oz., plus biotin, methionine, Omega-3 and 6 fatty acids, lysine, zinc, manganese, and probiotics. Feed 3 oz. twice daily for first 21-28 days, then reduce to 3 oz. daily for maintenance. Pellets.