14% protein pellet for horses of any life stage. *With Outlast® Gastric Support Supplement* Designed for all ages and lifestyles. One diet. Multiple lifestyles. Strategy® GX Professional Formula horse feed is as simple and as complex as that. Simple, because the perfected-over-time formula provides 100% of the required protein, vitamins and minerals for a wide variety of horses in your barn, when fed as directed.