PRESERVE aids in reducing muscle damage in working horses, and contains natural vitamin E, a powerful antioxidant, which is more biologically potent than synthetic forms. PRESERVE contains organic selenium which is scientifically proven to be more bioavailable than inorganic forms. Selenium has a role in preventing cellular oxidation and is necessary in the diet to maintain normal growth, immune function and fertility. Selenium supplementation is essential for horses grazing selenium-deficient pastures. As well as having a role in muscle and nerve function, magnesium also helps to protect against inflammation and free-radical damage. A blend of vital antioxidants to assist in promoting a healthy immune system. Contains natural-source vitamin E, which is more readily available than synthetic sources. Scientifically formulated blend of nutrients ideal for horses recovering from injury or illness.