AniFlex GL Joint Supplement for Horses is formulated with a combination of quality ingredients to provide the building blocks for joint health and connective tissue support. Each ounce contains 5000 mg glucosamine HCl, 3475 mg hesperidin, 1775 mg MSM, 1000 mg creatine, 50 mg hyaluronic acid, plus vitamins and yucca. Feed 1 ounce daily for 14 days, then 1/2 ounce daily for maintenance. Powder.