Quiessence® provides high levels of Magnesium and Chromium in a pelleted form. Quiessence® is a supplement formulated to support normal glucose metabolism, balanced behavior, and relaxation in horses. Equines diets are often low in Magnesium, especially for equines in work, who are kept stalled, or are fed feeds that are processed with preservatives. Supplementing with Magnesium to these horses, support proper nerve and muscle function. Quiessence may be helpful for horses that are overweight and cresty-necked, and may also help with calming. 5lb bag.