For nervous horses, Mega-Calm is a balanced powder supplement containing 3400 mg/oz L-Tryptophan with Vitamin E and B1. Horse owners and trainers use it to relax nervous horses prior to competition or transporting, without drowsiness.Features and Benefits• Contains premium ingredients for better results.• Contains 3400 mg/oz. L-Tryptophan. L-Tryptophan has been proven to have a calming effect. • Specially formulated with Vitamin E and Vitamin B1. • Also contains Magnesium, which has been shown to relax muscles. • Guaranteed satisfaction or your money back. Function FactsCalming - L-Tryptophan, Vitamin E, Thiamine (B1) Muscle Relax - Magnesium Fatigue Recovery - Thiamine (B1)Directions:Mix thoroughly with feed.Maintenance: 1 scoop (1 oz.) daily.Moderate Cases: 2 scoops (2 oz.) the night before competition.Moderate Cases: 3 scoops (3 oz.) the night before competition.Expect Results: Within 12 hours. Results on this product are dependent on the amount fed, which must be tailored to the individual horse.