Contains natural psyllium seed husk, a natural soluble fiber that increases feed ration bulk. Includes apple and molasses flavoring horses love. For average 1000 lb adult horse mix 1 to 2 scoops with daily grain ration for 1 full week (7 days) out of every month. Feed less to ponies, yearlings and foals, more to larger horses and draft breeds. 3.75 oz scoop included.