Your horse has always given you its best. With the Nutrena ProForce Senior Horse Feed, you can do the same for your older horse or hard keeper. This proprietary senior horse feed formula is designed to meet the unique nutritional requirements of your senior equine athlete. The horse feed provides energy from highly digestible fiber and features Empower Boost high fat extruded nugget. This formula also features Rebound technology, which is a proprietary combination of chromium and amino acids to help support recovery after competition or hard work. Marine-sourced calcite supports gastric health and helps maintain a normal stomach pH. Comes in a 50 lb. package.SATISFACTION GUARANTEED If you aren't completely satisfied with this product, please return it to your retailer with receipt within 30 days of purchase for a full refund.