Kohnke’s Own Muscle XLMuscle Amino Acid Supplement, with Vitamin E, for Horses Muscle XL provides a natural food source of essential branched chain amino and other amino acids, as well as Vitamin E, organic sulfur and organic zinc, which are the specific nutrients required for muscle development and recovery after exercise. The all natural nutrients in Muscle XL are highly digestible and assist recovery and maintenance of the working muscles following exercise. Suitable