Support calmness in your horse with all-natural formula containing no drugs or L-tryptophan. Quietex blends valerian root and ignatia. Use before riding, training, trailering, or situations of similar stress. Starts working in as little as two hours without causing drowsiness. Excellent for anxiety-producing events, including shows, competitions, races, or transportation. Single-use, 12-ml Paste syringe is perfectly sized to slip into any saddle or travel bag for use on the trail or while on the road. For horses only.