Used to support proper nervous system function, helping to minimize anxious behavior in performance, show and race horses. Excellent for competition, training and trailering.  Each 1 oz serving contains 2,000 mg magnesium, 1,500 mg thiamine (B1), 1,000 mg tryptophan, 1,000 mg taurine, 500 mg inositol, 500 mg pyridoxine (B6), 500 mg riboflavin (B2), 50 mg niacin (B3), 1,000 mcg folic acid and 500 mcg vitamin B12.