This unique blend of powerful ingredients work together to support protein synthesis for muscle gain. Muscle Gain® Chocolate consists of an easy-to-digest formula that contains digestive enzymes such as papin and bromelain that work to increase the absorption of protein by your body. The muscles also require certain vitamins and minerals to grow properly. Muscle Gain includes high-quality vitamins such as vitamin B-6, C and calcium. This advanced sports drink provides a more comprehensive approach to sports and athletic performance than other brands of protein drinks currently on the market.