This nutritional digestion and stress formula is a unique prebiotic supplement that combines yeast and yeast extracts that are scientifically proven to enhance fiber digestion and overall feed efficiency. With added antioxidant, this product is great for any horse, but especially those prone to digestive disturbances such as diarrhea, colic or laminitis, feed changes, stressful training, or for older horses. Feed 2 oz per day. Scoop included.