At-Ease is a natural calming agent that takes the edge off horses without sedation. Made from naturally occurring nutrients, At-Ease works both by increasing calming type hormone secretions and soothing irritated nerves, allowing relief from stress and anxiety. All natural so that it does not test, it is ideal to use at shows, competitions, or events that unsettle the horse. At-Ease is easy to administer and cost effective. Magnesium - essential mineral for reducing nervousness and soothing nerve fibers.Tryptohane - synthesizes the "seratonin" which is a mild hormonal sedative. 3lbs.