40mcg Clenbuterol Tablets – Dosage Cycle and Half-Life

Clenbuterol 40 mcg tablets are considered as stimulant drug. This is because it has the ability to act on sympathetic nervous system. This tablet is very similar to Ephedrine. But this is comparatively stronger and comes with longer half cycle.

It can speed up the heart rate, it acts as a thermogenic, it can open up bronchial airways, and most important thing is it has the capacity to increase the metabolism. Even though the tablet is available in 20 mcg dosage, the common dosage used is 40 mcg.

Clenbuterol 40 mcg is most commonly used for weight loss purposes. Along with this users like this for one more reason that is Clenbuterol 40 mcg helps in losing the body fat without affecting lean muscle mass. This is the reason Clenbuterol 40 mcghas gained popularity among the bodybuilders.


For men, the suggested dose is a Clenbuterol 40 mcg tablet per day. Later, after 1-2 weeks they can increase the dosage. Maximum cycle that can be followed is 6- 8 weeks. The upper limit for dose is 120 mcg. But even this is considered really high and not required.

When it comes to half life Clenbuterol, both the tablet and the Spiropent syrup have the same half life. 26 hours is the half life of Clenbuterol. It can be detectable in blood till 48 hours. This is considered as very long half life especially when we consider beta- adrgenergic agonists. This is the reason one dose a day is more than enough. Check the dosage instructions here.

Side effects:

Clen is mainly in use as a medication for asthma in most of countries. In US it cannot be used for human use. The reason behind this is side effects. The side effects resulted from Clen range from mild to quite serious. If the person is sensitive to stimulants then they should avoid this drug. It is very important to consult a physician before using this tablet. If the person is already suffering from liver or heart issues, then they should strictly avoid Clen.

Some of the common side effects of Clen are

  • Heart palpitations
  • Tremors
  • Cramping
  • Paranoia
  • Dry mouth
  • Agitation
  • Shortness of breath
  • Nervousness and Dizzyness
  • Depression and insomnia
  • Heart issues
  • Sometimes it may result in death in case of overdose

Most of the side effects are resulted from improper use of the drug. It is better to start with low dosage and be conservative. If the cycle is not proper and user is taking overdoses then it will result in mood related problems line paranoia. It may also lead to depression.

Clen has the property to act on dopamine receptors. This is the reason user experience many side effects. Cramping is the common side effect caused by the use of Clen. To limit the side effects Clen must be used in stacks. To avoid insomnia one must take Clen as early as possible in the day. Take it few hours before the exercise. This will help in avoiding side effects like heart palpitations and shortness of breath.