Contains Lacto-Mostm a concentration of live probiotics that supports beneficial bacteria in the stomach and promotes natural gut health and integrity. Also contains Bio-Mostm, a functional carbohydrate to help reduce low glycemic and low insulin response in foods. Binds to disease-causing bacteria in horse's gut and carries them out through feces. Each oz contains 175 million CFU probiotics, 6,000 mg magnesium, 3,000 mg methionine, 2,150 mg lysine, 1,200 mg vitamin C, 100 mg zinc, 40 mg niacin and 20 mg biotin. Additional ingredients include vitamin E supplement, flaxseed meal, stabilized rice bran, brewers dried yeast and folic acid supplement.