Legacy is a nutritional supplement specifically designed for senior horses. Glucosamine and Chondroitin sulfate are added nutrients for improved joint health. Yucca is added as an anti-inflammatory and analgesic ingredients. Ester-C and Vitamin E have been added to help as antioxidants and to strengthen the immune system. Legacy also contains rice bran that is stabilized for palatability. Rice bran and yeast culture improve digestive efficiency without risk of overfeeding. 10 lbs 80 day supply 5 lbs 40 day supply.