Mega-Calm Canine calming support is a balanced powder supplement that promotes calming in dogs. It contains L-Tryptophan, Magnesium, Vitamin E and B1. Dog owners use it to relax nervous or hyperactive dogs. 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. Function Facts: -Calming - L-Tryptophan, Vitamin E, Thiamine (B1) -Muscle Relax - Magnesium -Fatigue Recovery - Thiamine (B1) Directions: Add 1 teaspoon per 10 lb. dog weight to food or add 1 tablespoon per 30 lb. dog weight to food. (Double end scoop enclosed) Expect Results: Within 12 hours.