Calf Calm by Oralx is a natural herbal blend with 12% L-tryptophan, Valerian Root, and Ginger Root.It has a soothing effect, enabling animals  to maintain a calm and focused composure without causing drowsiness. Ideal for situations that could cause agitation or stress such as shows, transporting, vetting, shearing, etc.  34 gm tube treats up to 1000 lbs.  Great to have on hand for show day.  Feed 2-4 hours before your event, competition, or transporting. 34 gram tube.