SHO-FLEX HORSE JOINT SUPPLEMENT 3 LB, Convenient 2-in-1 Show Flex Joint Supplement granules combine glucosamine and chondroitin sulfate with Manna Pro's comprehensive vitamin and mineral fortifier, Sho-Glo, that promotes a shiny coat and provides important antioxidants such as vitamins A, C & E. Each 2 oz serving of crumbles provides 3,628 mg glucosamine HCl and 1,200 mg chondroitin sulfate. For mature horse (800-1,200 lbs), add 1 oz twice daily to regular grain ration; adjust accordingly for smaller or larger horse, however, do not feed more than 3 oz daily. Do not feed in combination with other products containing supplemental selenium if selenium concentration will exceed 0.30 ppm. Resealable bag.