Clenbuterol, marketed as Spiropent and Ventipulmin, is a sympathomimetic amine used by sufferers of breathing disorders as a decongestant and bronchodilator. People with chronic breathing disorders such as asthma use this as a bronchodilator to make breathing easier. It is most commonly available as the hydrochloride salt, clenbuterol hydrochloride.
Read more about Clenbuterol: Effects and Dosage, Human Use, Veterinary Use