Steriods has three types such as anabolic, androgenic and cortico steroids. It is used to treat non- reproductive tract tissues such as skeletal muscles, the larynx, bones and vocal chords. It is used to reduce in body fat. It is applied in the human body in three ways such as oral, transdermal and by injection. Steroids include many categories such as legal steroids, illegal steroids and natural steroids. Anabolic steroids are legally buy steroids products. Some of the bulking steroids are anadrol, dianabol and sustanon. Some of the body building recommended steroids are halotestin, trenbolone and masteron. Corticosteroids are natural and synthetic hormones. It controls the key processes of the body such as water balance, electrolyte, protein metabolism and carbohydrate, the skeletal muscle, the functions of the cardiovascular system, the kidneys and some other organs. The oral steroids have the short half life. Most of the athletes choose oral steroids compared to injectable steroids. But it can damage the humans liver. The liver is an important part in the body clearing and storing essential nutrients. Steroid is the most common name in the medical industry. The injectable steroids have various components of different medicines. All kinds of steroids are not injected.