Rich in omega-3 fatty acids, Healthy Weight supports skin, coat, gastric and muscle health. For horses that need to gain weight, Healthy Weight provides calories in addition to forage. It is made from flax oil, a rich source of omega-3 fatty acids, which makes it a healthy alternative to corn oil. The 1-gallon Healthy Weight now comes in an easy tip-to-measure container made from a material that protects the formula from degradation due to UV light.