Bully Mass Muscle Dog Gain ChewBully Mass Muscle Gain Chews are specially formulated to support muscle development, strength, and overall performance in active and bull breed dogs. These high protein chews help promote lean muscle growth, improve body condition, and support faster recovery after exercise or training. Made to support dogs that need healthy weight gain, improved stamina, and better physical conditioning, these chews are ideal for working dogs, active breeds, and dogs