NEW SmartPituitary Senior is designed to help support normal function of the pituitary gland in aged horses. This comprehensive formula provides ingredients to support normal immune function, maintain healthy muscle mass, and may help support normal shedding. Contains adaptogenic herbs, powerful antioxidants, and echinacea for a healthy immune system, plus chaste berry (Vitex agnus castus) to support proper endocrine function. SmartPituitary Senior also provides essential amino acids to help maintain lean muscle and omega 3 fatty acids (from fish oil) for a healthy hair coat. These tasty pellets contain no added sugar and are easy to feed with or without grain.