Made with cage-free chickens that are raised without added growth hormones or added steroids and provide amino acids for muscle development and maintaining muscle tone. Helps Maintain Healthy Hips & Joints with Glucosamine & Chondroitin! The chicken breasts from cage-free chickens are raised without added growth hormones or added steroids and provide amino acids for muscle development and maintaining muscle tone. Vitamin E is an antioxidant rich essential fat soluble vitamin. Vitamin E keeps the connective tissues strong and prevents skin and muscles from losing elasticity.