AniMed Vita-Calm (2 lbs.) by. AHC Products, Inc. Contains L-Tryptophan 1000mg & B-1 500 mg per oz. Calms nervous and stressed horses. Will not "dull" your horse. For daily use. Stress reducing and calming, all-natural vitamin, mineral, and amino acid dietary supplement. For daily use in hyper, nervous, or stressed horses. Vita-Calm can also be used to calm and quiet horses prior to events which may cause nervousness or an over-excited condition, helping to reduce "wash-outs". Scoop included. Recommended dosage: Feed horses 1 ounce (2 tbsp.) per 1000 pounds of body weight. Or 1-2 ounces (2 to 4 tbsp.) three hours prior to an event. VITA-CALM Ingredients: l-Tryptophan.........1000mg Thiamine................500mg Calcium..................20 mg Magnesium..............2.5mg Additional vitamins and minerals may be supplied by the Brewers Yeast. Dextrose, Brewers Yeast Supplement, l-Tryptophan, Thiamine Monohydrate, Magnesium Oxide, Calcium Carbonate. Feeding Directions: Horses of all classes and ages feed 1 to 2 tablespoons per 1000 lbs body weight daily mixed with normal feed ration. Or, 2 to 4 tablespoons ½ to 1 hour prior to an event which may create stress or excitement. The large end of the enclosed scoop measures 1 tablespoon (approx ½ ounce). Or, as directed by a veterinarian.