Magnesium 5,000 (MVP) is recommended to help support normal muscle function and support glucose metabolism. Since a symptom of magnesium deficiency is agitation or anxiety, it is included in many calming supplements as well. Guaranteed Analysis (per 2 oz.): Magnesium, min... 5,000 mg; Crude Protein, min... 6,800 mg; Crude Fat, min.. 3,400 mg; Crude Fiber, max.. 5,680 mg. Ingredients: Alfalfa meal, corn distillers dried grains with solubles, magnesium oxide, magnesium proteinate, lignin sulfonate, soybean oil, heat stabilized rice bran, natural and artificial flavors. Feeding Directions: (Enclosed measure approximates 2 oz. based on density of product) Adult Horses (900-1,100 lbs): Maintenance: Provide 2 ounces daily. Working/Performance: Provide 2-4 ounces daily. Easy-to-feed Pellets.