Lincoln Trypto-MAG Calmer is designed to help nervous, sensitive, and spooky horses and ponies remain calm when facing stressful situations. It comes in an easy-to-administer syringe. Contains Tryptophan, a precursor to the calming neurotransmitter Serotonin, Magnesium, and a combination of B Vitamins. Key ingredients include B Vitamins and Magnesium. Warnings: Store at temperatures between 10°C and 22°C. Do not allow to freeze or overheat. For animal use only. Keep out of the reach of children. This product is not a sedative. Feeding Instructions: Syringe orally 2.5 hours before needed. Ponies < 300kg: Feed 30-60ml. Horses 300-600kg: Feed 60-120ml. Maintenance Feeding Rate (average size animal): 60ml.