Quiessence is a high Magnesium feed supplement in a safe, absorbable, palatable pelleted form. As well as providing much needed Magnesium for the body, this supplement also provides Chromium and B vitamins. Quiessence is natural with no side effects. It may help to maintain a normal calm disposition. It may help with muscle soreness due to normal work and exertion patterns. In horses with a cresty neck that might be founder-prone, Quiessence has been shown to reduce the crestyness (study results available on request).