Both hormones have an inverse relationship to body fat, meaning that the less GH and IGF-1 you produce, the more body fat you will accumulate. The use of supplementary anabolic steroids to build muscle has been popular for decades. They work very well, but also carry potentially serious health risks. Testosterone is classified as both an androgenic and anabolic steroid hormone. Androgenic refers to male characteristics, while the term anabolic refers to the growth of body tissue.