Quiessence® by Foxden Equine helps nervous, tense or sore-backed horses. The magnesium and chromium formula is designed to support calm, balanced behavior in equines. It may also help cresty-necked animals to reduce the crest. By supporting normal glucose metabolism and increasing peripheral circulation it can help reduce the risk of foundering in horses who have that tendency. Quiessence is natural and legal, with no known side effects. 3 1/2 lb pellets.