Equerry's Choice Digestive Health & Nutritional Pellets Horse Supplement, 5-lb bag; Equerry's Choice Horse Supplement delivers complete nutritional support for healthy-as-a-horse benefits. Microencapsulated probiotics, digestive enzymes and yeast support a healthy digestive system and maximum nutrient absorption, so your horse may get more nutrition out of every meal. Vitamins, minerals and amino acids support overall wellness and body system function. This supplement also contains organic chelated selenium, and with its comprehensive ingredients, it’s a building block of good nutrition for your horse. All of these ingredients are delivered in a palatable pellet for easy feeding, even to picky horses.