To support and maintain natural calm behavior. Contains Tryptophan (3000 mg per scoop), Vitamin B1 (Thiamine) (2800 mg per scoop), Vitamin B3 (Niacin) (100 mg per scoop), Vitamin B6 (Pyridoxine) (100 mg per scoop), Magnesium Oxide (6000 mg per scoop), Yeast (stable live yeast culture) (11,000 mg per scoop), MOS (mannan-oligosaccharides) (10,000 mg per scoop).