One diet. Multiple lifestyles. The Purina Strategy Professional Formula GX Horse Feed is as simple and as complex as that. Simple, because the perfected-over-time feed provides 100% of the required protein, vitamins and minerals for a wide variety of horses in your barn, when fed as directed. While there will always be individual horses with specialized nutrition and management needs, this highly nutritious horse feed meets the nutritional needs of the vast majority of horses with a single formulation. So even when your horses are in different stages of breeding or development and varying levels of performance, our top quality feed delivers complex, balanced nutrition in a simplified feeding program.