Dec 27, 2022 Viewed: 68

Clenbuterol/A Drug Long Favored by Bodybuilders and Fitness Stars

Clenbuterol/A Drug Long Favored by Bodybuilders and Fitness Stars


Description of Clenbuterol

Clenbuterol is a colorless microcrystalline powder. Chinese alias: 瘦肉精克仑特罗. Scientific name: Clenbuterol hydrochloride. It is an anti-asthma drug with a molecular formula of C12H18Cl2N2O, a molecular weight of 277.19, a boiling point of 404.9±40.0 °C (760 mmHg), and a melting point of 161 °C. It is soluble in water and ethanol, slightly soluble in acetone, and insoluble in ether. This product is an adrenaline bronchial antispasmodic drug. It has good selectivity to excitatory effect on bronchial smooth muscle β2 receptors, and the intensity of bronchodilation is equivalent to 100 times that of salbutamol.

Clenbuterol generally has the effect of relaxing bronchial smooth muscle. Clenbuterol has a strong and long-lasting effect, and it can also enhance bronchial ciliary movement, dissolve mucus, and promote the excretion of sputum. Clenbuterol can be used to prevent and treat acute exacerbations of bronchial asthma, as well as acute exacerbations of wheezing chronic bronchitis, emphysema, allergic cough and other respiratory diseases such as bronchospasm asthma and chest tightness.

In addition to being used for treatment, clenbuterol is more of a drug that promotes thermogenesis. Clenbuterol is actually quite common in cycling programs for fat loss. It is often used by steroid users to reduce fat. It's a drug that bodybuilders and fitness stars have long favored. However, people who do not use steroids also use it for fat loss. You don't need to use this drug with steroids to get fat loss results.


Functions and Properties of Clenbuterol

Clenbuterol is a sympathomimetic drug that acts on the sympathomimetic nervous system. There are many neuroreceptors in the body that respond to it. For clenbuterol, it primarily stimulates beta-2 receptors. Through this stimulation, many obstacles are removed so that the respiration efficiency of the cells can be improved. Such stimulation can also be used to increase metabolic efficiency. Clenbuterol actually accelerates fat breakdown by increasing metabolic efficiency and raising body temperature. This is because stimulation of the beat-2 receptor further stimulates the mitochondria inside the cell to generate more heat. Therefore, the body temperature will increase slightly, and the metabolic efficiency will also increase, which will lead to faster decomposition of fat. In fact the functional properties of Clenbuterol are straightforward.

Clenbuterol has also been found to have strong anabolic properties, so many people want to use it to help with lean mass gains. Typically most steroid users use it as a post-cycle recovery to help preserve muscle. However, these usages have only one downside: they are not useful at all. While studies have shown that clenbuterol can exhibit anabolic effects when used in animals, it does not have such effects when used in humans. Helping fat burning is the biggest functional characteristic of clenbuterol.

Effects of Clenbuterol

    What clenbuterol does when used in therapy is as simple as helping the patient breathe. As a thermogenic helper, clenbuterol's mechanism of action remains simple. Stimulation of the beat-2 receptor further stimulates the mitochondria in the cell to generate more heat. Therefore, the body temperature will increase slightly, and the metabolic efficiency will also increase, so the fat decomposition efficiency will also be improved. Yet even though clenbuterol is a powerful fat burner, it doesn't have the ability to make an obese body miraculously lean. In fact even if you use Clenbuterol your fat loss diet is still as strict as it would be without it. Otherwise, the fat will not be lost at all. So the question arises: so what do I use it for? Simply put, it helps you generate heat. It doesn't take fat out of your body, but it can help burn fat by improving metabolic efficiency. The best option is to use Clenbuterol when you have lost a lot of fat and are leaner and just need to burn off the little stubborn fat that is left. Know more and you'll realize that this drug is best used when it's most needed.

Typically bodybuilders and bodybuilders will use clenbuterol for 8-10 weeks prior to competition to sculpt muscle finesse. For general enthusiasts who want to make their muscles more lined, the method of use can be slightly adjusted. This means you don't have to be at a pre-competition level to use it. If you have already lost a little fat and want to lose a little more weight, clenbuterol can be very effective. But if your sebum is still high, you should pay attention to diet and training to control it.



1. It is contraindicated for women in early pregnancy and early childbirth.

2. Arrhythmia, recent myocardial infarction, hypertension and hyperthyroidism are contraindicated.



1. 20-40 μg each time, 3 times a day.

2. Sublingual administration: 60-120 μg each time, sublingual administration first,

and after the asthma is alleviated, take the rest with warm boiled water.

3. Aerosol inhalation: 10-20 μg each time, 3-4 times a day.

4. Rectal administration: 2 times a day (or 1 time before going to bed), 60 μg each


Side Effects of Clenbuterol

   Side effects of using clenbuterol can cause some very annoying side effects. Examples include constant nervousness, shaking hands, and constant sweating. Most users will experience this series of symptoms in the early stage of use. For some individuals who are more comfortable with stimulants, these side effects will gradually disappear. When using clenbuterol, many people think that the function of the drug to help heat production will disappear after the side effects gradually disappear. This is a wrong understanding. Generally clenbuterol can maintain the same level of improvement in metabolic efficiency within the first five weeks of use. After the fifth week, as the body gradually adapts to the thermogenic effect of this stimulant, the effect will gradually weaken. At this time, it is necessary to actively adjust, and to obtain better results by adjusting the dosage and use time. In addition to the above-mentioned side effects, clenbuterol, as a stimulant, has other side effects, such as headache and nausea. The side effect that annoys bodybuilders the most is that it can cause muscle cramps, which to some extent only occur during high-intensity exercise. Generally, this type of problem can be reduced or even avoided by supplementing with sufficient water, and supplementing with taurine will also have a good effect. Clenbuterol can have some very dangerous side effects when used in high doses and for prolonged periods of time. This includes causing increased blood pressure, irregular heartbeat, convulsions and even intermittent panic attacks.

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