Athletes Buy Clenbuterol 40 to Boost up Metabolism Clenbuterol is a beta-2 adrenergic agonist that bodybuilders use to manage their weight. This medicine has a steroid-like effect that increases the body's metabolism. Most athletes buy Clenbuterol 40 because the FDA approves it for weight loss, but it cannot be used in competitive sports. Clen was primarily developed to treat respiratory problems in horses but is now used by people to reduce asthma symptoms. This medicine relaxes muscles and lungs, so expect better airflow throughout the body. As a result, athletes can train for a long time. Clenbuterol for sale is extremely helpful for sprinters, swimmers, and marathon runners. This is a Bronchodilator, so it should be used when experiencing breathing problems, and for safety reasons, use it in the morning. Pharmaqo Labs is one of the best manufacturers you can find right now. In case of existing health problems, consider your doctor's advice before taking Clen. For additional details, check out osgear.se