This beautiful feed is formulated for "easy keeper" horses or those with metabolic disorders that may require lower starch in their diet. The NSC level in this feed is 22.* Made exclusively with North American organic grains and fortified with probiotics  prebiotics  live yeast  and enzymes to support hind gut health. As a certified organic product  it is made with no antibiotics  pesticides  or additives and is also Non-GMO.