To lose weight in bodybuilding, drugs are actively used which was not originally intended for this purpose. In particular, Clenbuterol (informal name – Clen) refers to bronchodilators that reduce inflammation in lung diseases. But bodybuilders use it to burn body fat during the drying phase. The absence of androgenic effect properties of anabolic steroids allows the use of Clenbuterol for weight loss in women. Girls often combine this with intensive fitness programs, thus losing up to 5 kg per course.
Clenbuterol for Rapid Weight Loss: How It Works

When ingested, the drug binds to β-receptors in muscle and adipose tissue, triggering reactions that burn extra pounds.
In addition, Clenbuterol:
- Adrenaline, norepinephrine, promotes the production of thyroid hormones which have a fat burning effect;
- Reduces the activity of lipase responsible for fat deposition, stimulates protein synthesis.
As a result, the metabolic rate increases by 20-30%, which leads to weight loss.
The misconception that Clenbuterol allegedly has anti-catabolic properties is not. Clenbuterol is not able to suppress catabolism in the cutting cycle when the intensity of training is high in a calorie deficit. Growth hormone and anabolic steroids (AAS) have the best anti-cabolic effect, which should be used in the cutting cycle with growth hormone so as not to lose muscle during the drying process.
For those who do not want to use steroids and growth hormone, you can use peptides and supplements: Truibulus, Acidisterone, D-Carnitine and other amino acids.
Clenbuterol in bodybuilding: Side effects

When using the drug, unpleasant symptoms can be seen from the heart, digestive, and other body systems:
- Heart palpitations;
- Sweating;
- Limb tremors, convulsions;
- Insomnia, anxiety, irritability;
- Increased blood pressure, headache;
- Diarrhea, nausea, bloating, dysbacteriosis.
Adverse reactions, as a rule, develop at the beginning of the course, gradually disappear. Ketotifen, bisoprolol, metoprolol help to completely eliminate the unpleasant effects of fat burning agents. Men taking Clenbuterol should be aware of testicular tissue toxicity (in critical doses). Drug abuse can be dangerous for the myocardium. However, health risks are lower if taken according to the recommended schedule.
When using thyroxine, caffeine and other stimulants against the background of the drug is more likely to develop unpleasant effects. Clenbuterol should not be taken by pregnant and lactating women, heart patients, thyrotoxicosis, glaucoma, bronchial asthma, and young children. A complete list of contraindications is given in the annotation of the drug.
Clenbuterol for Weight Loss: Instructions for Use
When buying a drug, you should not be guided by the attached recommendations. We are not interested in bronchodilators, but in the fat-burning effect of Clenbuterol, the diet will be different than in the fight against lung diseases.
The two-week single cutting course may look like this:
- Day 1. 20 mcg.
- Day 2 – 6. Daily increase in dose of Clenbuterol by 20 mcg.
- Day 7-12. 120 mcg day 13. 80 mcg.
- Day 14. 40 mcg.
There is no point in taking more Clenbuterol, as the sensitivity of β-receptors in it gradually decreases. Therefore, after 2 weeks of treatment according to the above plan, a break is taken. The above dose is recommended for men: they can take 120-140 micrograms of Clen per day. Women who need to reduce the amount of medication to 80-100 mcg per day to build muscle or get rid of extra pounds. This is the maximum safe dose for girls.
To achieve this goal as soon as possible, Clenbuterol (CL) is combined with Ketotifen (CT). In this case, you can extend the course up to 2 months. The reception plan is the same as in the first 4 days. In addition, the following doses are recommended for men (for girls, the dose is reduced):
- day 5: 100 mcg CL + 1 mg CT
- day 6 to 27: 120 120g CL + 2 mg CT
- day 28: 80 μg CL + 2 mg CT
- Day 29: 50 mcg CL + 1-2 mg CT
- Day 30: 35 Cg CL + 1 mg CT
Clenbuterol taken in the morning, Ketotifen before bed. After the menstrual cycle, a 2-week break is required.
Such a plan increases the efficiency of drying by 10-20%, and also eliminates some of the side effects: excessive irritation, tremors, insomnia, tachycardia. Better results can be obtained by using Clenbuterol in combination with thyroxine and yohimbine. But such a combination is dangerous to health, so you can try it only under the supervision of a specialist.
Recommendations for the use of Clen

Cutting research in the field of combining drugs with anabolics, confirm that this plan is most effective for athletes engaged in bodybuilding. However, it should be noted that taking steroids and clenbuterol increases the risk of GI. Cardiac petrography. Following a few rules will help reduce the chances of side effects:
- The dose of Clenbuterol should be gradually increased in the first week (according to the diagram above).
- It is best to use this medicine in the morning, to relieve insomnia and increase its effectiveness.
- Daily intake after dose increase is best divided into 2 times: morning and afternoon.
- During fasting, be sure to follow a diet that promotes weight loss. It is recommended to supplement this course with proteins, complex amino acids and BCAAs, cortisol blockers, asparkam (to replenish potassium).
The combination of Clenbuterol with alcohol can cause nausea, increase heart rate, reduce dryness, and interfere with muscle building, so it is recommended to avoid alcohol.