Blackstone Labs Epi Cat 60CapsMyostatin is a hormone in the body that acts as a sort of brake that tells muscles to stop growing, which helps to prevent them from getting too large. Myostatin also determines the total number of muscle fibers an individual will have and controls the way that existing muscle fibers grow based on diet, physical activity, and age. What if we could find a way to inhibit the release of this hormone without interfering with your natural hormone