NutriCalm features pharmaceutical grade L-tryptophan, an essential amino acid which is converted to serotonin in the brain. In addition, the herbs ashwaganda, theanine and valerian root help sooth and relax naturally, effectively and safely. Recommended Usage: One capsule for every 25-50 pounds of body weight, twice daily or as recommended by your veterinarian. Ingredients per capsule (0.74g) : L-Tryptophan (free form amino acid) . . . 150 mg Valerian Root Extract (valeriana officinalis) . . . 50 mg Ashwaganda Extract (withania somniferum) . . . 50 mg Catnip Extract (nepeta cataria) . . . . . 50 mg L-Theanine (Suntheanine brand) . . . . 25 mg Calcium (aspartate) . . . . 30 mg Magnesium (aspartate) . . . . . 30 mg Inactive Ingredients: Gelatin (Capsules), magnesium stearate, silica, and rice flour *These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.