AniMedAll-natural supplement made with a host of ingredients including l-tryptophan, thiamine, calcium, magnesium and live yeast cultures to help calm anxious, restless or high strung horsesContains a source of guranteed live probiotic yeast cultures to support a healthy gut, especially against occaisonal gastric distressProvide 5 to 10ml per 1000ln of body weight daily or 10 to 20ml 30 minutes before an event. 60ml syringe (up to 12 doses per syringe)053-94000Via-Calm is a stress-reducing supplement aimed at alleviating nervousness caused by environmentally induced stress. Through a combination of L-Tryptophan, thiamine, calcium and magnesium, Via-Calm increases calmness without causing drowsiness.WARNING: This product contains L-Tryptophan which may be prohibited from certain competitions. Please check with the sanctioning body for withdrawal time.