Reformulated to included 1,500 IU of Vitamin E per dose, this Horse Guard Trifecta 4-in-1 Complete Vitamin and Mineral Supplement features the vitamin and mineral package of Horse Guard, plus a hoof supplement, a joint supplement, and a probiotic/prebiotic supplement. Contains 4 supplements manufactured into 1 complete supplement The premier horse vitamin supplement provides 3 mg of organic selenium and 1,500 IU of Vitamin E, plus other vital vitamins and trace minerals typically missing from hay The powerful equine joint supplement provides 5,000 mg of MSM, 5,000 mg of Glucosamine, and 100 mg of Hyaluronic Acid per dose The complete horse hoof health supplement features 32 mg of biotin, 400 mg of zinc, and 5,000 mg of methionine per dose The huge horse probiotic supplement provides 2 million beneficial bacteria and 5 billion live yeasts per dose to support your horse in having a stable digestive track Weight: 10 lb.