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Clenbuterol is a sympathomimetic that acts mainly on beta-adrenergic receptors. As such it is classified under the category of other anabolic agents. Its main action is to relax smooth muscle in the airways. In addition, the actions of clenbuterol may mimic the actions of adrenalin or amphetamines due to its stimulant effect on the heart and the central nervous system. Clenbuterol is also used in animals as a partitioning agent, that is, it can increase lean muscle mass and reduce fat.
lenbuterol works the same way as ephedrine. However, unlike ephedrine, which is out of the body in a few hours, clenbuterol lasts for days. So you are on it 24 hours a day. No one chooses to be on ephedrine 24 hours per day, because it interferes with sleep, and so clenbuterol is more effective. Also, for the same effect on fat cells, clenbuterol accelerates heart rate less, so one can use effectively a higher dose. (Not a greater quantity, but a dose giving a greater effect on fat cells for the same effect on tachycardia.) It results in severe downregulation of beta receptors, which moderate ephedrine use does not do. Thus, it is particularly effective only for a short time. Typically if using clenbuterol the dose would be about 100 mcg per day. It is not anabolic (or significantly so.) |
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| Side effects are common and a major problem with its use. They include increased heart rate, palpitations, tremor and insomnia. It may also cause a rise in blood pressure and an increase in anxiety. |
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- Clenbuterol and Muscle Growth
- Clenbuterol and Spot Reduction
- Clenbuterol Sabotages Adaptation to Training
- Pharmacological Approaches to Fat Loss: Targeting Beta-Adrenergic Receptors
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