Clenbuterol Malay Tiger(Clen) is the common term used that refers to the popular bronchodilator Clenbuterol Hydrochloride. Designed with the intent of treating chronic asthma, Clen is also a powerful fat-burner with some similarities to Ephedrine yet far more powerfully effective. While designed to treat respiratory issues it is this medications fat-burning abilities that have intrigued so many and by and large without question it is the number one reason many buy Clenbuterol (Clen) in the first place. The reason is simple; Clenbuterol (Clen) greatly increases your total metabolic activity by stimulating the Beta-2 receptors; once this process is in play the results are very simple, we now use stored body-fat for energy to a higher degree. While direct fat-burning is the primary mode of action regarding its metabolic activity properties Clen has been shown to also greatly reduce total appetite in some; for some it wont but decreasing appetite can be useful to those struggling to lose weight.