Steroids are a general term for a large class of derivatives widely distributed in the biological world, which can also be called steroids or steroid compounds. Steroids are mainly synthesized and secreted by various parts of the body, and a small part can be artificially synthesized. They play an important auxiliary role in the functional activities of organs, tissues and cells of the body Steroid hormones mainly include adrenal corticosteroids secreted by adrenal cortex and sex hormones secreted by gonads.
What exactly do steroids do? Steroids can stimulate the body's own muscle tissue to grow for training by mimicking the effects of testosterone, which is naturally produced by the body. Anabolic steroids can stay in the body for a few days to a year or so to maintain your muscles
