Clenbuterol exhibits similar characteristics of stimulant drugs such as amphetamines and drenalin ephedrine which may increase heartbeat rate, blood pressure and perspiration 56. In the medical industry, Clen is often considered as the nearest substitute for ephedrine. Just like the ephedrine, HCG hormone, Clen stimulates beta-2 receptors as a beta-2 agonist. Stimulation of beta-2 receptors by Clenbuterol can help increase burning of stored fat calories. Today, Clen fortified food supplements are liberally used HCG cattle farming worldwide. Animals fed with Clen steroid is expected to increase Human Gonadotropin fat-free lean mass FFL ; produces lean meat with less fat. Clenbuterol is an illegal beta-adrengic agonist used to beef up livestock. It is a potent fat loss and muscle preservation agent with side effects. Clenbuterol or Clen is beta-2 adrenergic which help burn Human Chorionic Gonadotropin even when the user is not exercising. This steroid-like drug also contains thermogenic properties that increase metabolic rate and burning of stored fat in the body. Clen is very a very popular lean muscle mass increasing substance used by muscle building enthusiasts.