In some countries, doctors prescribe clenbuterol as a treatment for asthma or breathing difficulties. It is banned for use in humans in the United States. Clenbuterol is a type of drug known as a beta ...
In the U.S., clenbuterol is a prescription medicine used to treat blocked airways in horses. In other countries, people are prescribed clenbuterol to treat asthma or breathing problems. The FDA has ...