OA 2 is a medical food powder that is free of the essential amino acids isoleucine, methionine, threonine, and valine for children and adults with propionic or methylmalonic acidemia (organic acidemia)The product provides all other essential amino acids as well as nonessential amino acids, carbohydrate, fat, essential fatty acids, vitamins and mineralsVanilla ScentCan be easily modified with preferred flavor enhancersMixes easily and stays in suspension well.