The problem is the quantities used not the actual compound. Most have the belief that if a little is good more is better and that is were the problems start to show themselves. You can't use Trenbolone alone it must be stacked and in certain ratios. Trenbolone is a poor source of muscle gain but it does keep your bulldog from consuming his tissues when in a long and hard dance. That was the purpose for its use in cattle that traveled in trains to keep them from losing weight while being shipped cross country on minimal feed.