Vitamin B-1 (thiamine) for horses that are strenuously exercised. Vitamin B-1 is necessary for normal growth and muscle activity. Contains 500 mg of vitamin B-1 per 1 oz dose. Guaranteed Analysis:Crude Protein (min)11.00%Crude Fat (min)4.00%Crude Fiber (max)16.00%Calcium (min)8.00%Calcium (max)9.00%Thiamine (min)8,000 mg/lb.Ingredient StatementDehydrated alfalfa meal, wheat middlings, cane molasses, vegetable oil, thiamine hydrochloride, ground limestone, propionic acid and acetic acid (preservatives).Directions:Enclosed scoop holds one ounce. Feed 1/2 oz to 1 oz in daily grain ration.