Clenbuterol HCl
One pack contains 100 pills
Active Substances
Clenbuterol contains 40 mcg Clenbuterol HCl per tablet
Route of administration
For oral use only
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Clenbuterol is a compound that belongs to a class of drugs called beta2-agonists. Drugs in this category can cause dilation of the bronchial muscles. Beta2-agonists are often used to treat asthma.

In addition to being used to treat asthma, clenbuterol has become popular as a weight loss supplement. That’s because of its effect on muscle growth and fat reduction.


Do not administer to animals intended for food. Veterinarians should be warned that clenbuterol is abused in humans for the purpose of muscle building and weight loss. Subsequently, high doses in humans may cause cardiac toxicity, such as arrhythmias.


Clenbuterol should be started at a dose of 20mcg. Higher doses can be used after tolerance is assessed but caution is warranted at higher doses due to the potency of the drug. Under no circumstance should one consume more than 120mcg a day.

Most clenbuterol should be taken in the AM hours, to allow some metabolism before sleep at night (although it will still be distrubed)


Clenbuterol may produce excessive beta-adrenergic stimulation at high doses (tachycardia and tremors). Arrhythmias occur at high doses. Chronic use may have adverse effects on cardiac function in healthy horses. There have been conflicting studies on the effects of clenbuterol on athletic performance of horses. In one study at approved doses it did not have any adverse effects on equine cardiac or skeletal muscle. In other studies it had negative effects on aerobic athletic performance, faster time to fatigue, decreased cardiac function, and decreased oxygen consumption. The negative effects may occur because after repeated doses it down-regulates the adrenergic beta-2 receptor and results in decrease in receptor expression in skeletal muscle and lungs.

Side effects:

Clenbuterol can cause these side effects:

- Nervousness
- Thyrotoxicosis
- Tachycardia
- Subaortic stenosis
- High blood pressure


In case, an overdose with Clenbuterol happened seek emergency help.