Phenylbutazone 1 gram/scoop PowderA synthetic, non hormonal, anti inflammatory agent that is indicated for the relief of inflammatory conditions associated with the musculoskeletal system in horses. This highly palatable citrus flavored powder is easily top dressed on the horses ration, and is dosed at 0. 6 1. 2 oz. per 500 lbs. of body weight. Each 10 grams of powder contains 1 gram of phenylbutazone. Manufacturer may vary