Package: 100 tabs (40 mcg/tab)
Active Substance: Clenbuterol
Product name: Clenbuterol, Clen


When it comes to achieving a lean and sculpted physique, Clenbuterol stands out as a potent ally. Manufactured by SP-Laboratories, this oral drug has gained popularity as an efficient fat burner. In this comprehensive guide, we will delve into the world of Clenbuterol, exploring its general description, indications, contraindications, uses in bodybuilding and sports, medical actions, combining it with other drugs, dosage, and potential side effects.

Clenbuterol, often simply referred to as “Clen,” belongs to a class of drugs known as beta-2 adrenergic agonists. Initially developed for treating respiratory conditions such as asthma and chronic obstructive pulmonary disease (COPD), Clenbuterol has found a new role as a powerful fat burner. It is available in various forms, including oral tablets and liquid solutions, making it convenient for users.


  1. Asthma and Respiratory Disorders: Clenbuterol’s primary medical use is in the management of asthma and other respiratory conditions. It acts as a bronchodilator, relaxing the airways and improving airflow.
  2. Fat Loss: Outside the medical field, Clenbuterol is renowned for its remarkable fat-burning properties. It’s often employed by individuals looking to shed excess body fat and achieve a more defined physique.


While Clenbuterol offers several benefits, it’s not suitable for everyone. Here are some contraindications:

  1. Cardiovascular Issues: Individuals with a history of heart problems, high blood pressure, or arrhythmias should avoid Clenbuterol due to its stimulatory effects on the cardiovascular system.
  2. Allergies: People who are allergic to Clenbuterol or any of its ingredients should steer clear of the drug.
  3. Pregnancy and Breastfeeding: Clenbuterol use is not recommended for pregnant or breastfeeding women, as its safety in these situations has not been established.

Uses in Bodybuilding and Sports:

Clenbuterol has found a niche in the world of bodybuilding and sports due to its fat-burning and performance-enhancing properties. Athletes and bodybuilders often turn to Clenbuterol to:

  1. Fat Loss: Clenbuterol helps athletes achieve a lower body fat percentage, enhancing muscle definition and vascularity.
  2. Performance Enhancement: Some athletes believe that Clenbuterol can improve endurance and stamina, potentially enhancing their performance.
  3. Muscle Preservation: When on a calorie-restricted diet, Clenbuterol may help preserve lean muscle mass, reducing the risk of muscle loss during weight loss.

Medical Actions of Clenbuterol:

Clenbuterol exerts its effects through various mechanisms:

  1. Beta-2 Agonist: Clenbuterol stimulates beta-2 adrenergic receptors, leading to the relaxation of smooth muscle in the airways, making it easier to breathe.
  2. Thermogenic Properties: Clenbuterol increases the body’s core temperature, boosting the metabolic rate. This results in the burning of more calories and stored fat.
  3. Appetite Suppression: Users often experience a reduced appetite, aiding in calorie control during weight loss.

Combining Clenbuterol with Other Drugs:

Clenbuterol is sometimes used in combination with other substances to optimize results. However, it’s crucial to exercise caution and consult a healthcare professional when considering such combinations. Common combinations include:

  1. Cytomel (T3): This thyroid hormone can enhance Clenbuterol’s fat-burning effects when used judiciously.
  2. Anabolic Steroids: Some bodybuilders combine Clenbuterol with anabolic steroids for improved muscle retention during cutting phases.

Dosage Recommendations:

The appropriate Clenbuterol dosage can vary depending on individual factors such as tolerance and experience. However, a general guideline for beginners is to start with 20-40 mcg per day and gradually increase the dosage over time. It’s important to cycle Clenbuterol use to prevent tolerance buildup. A common cycle involves two weeks on and two weeks off.

Potential Side Effects of Clenbuterol:

While Clenbuterol can deliver impressive results, it may also come with potential side effects, including:

  1. Cardiovascular Effects: Increased heart rate, palpitations, and elevated blood pressure can occur.
  2. Nervous System Stimulation: Users may experience jitteriness, anxiety, or insomnia.
  3. Muscle Cramps: Clenbuterol can deplete electrolytes, leading to muscle cramps.
  4. Nausea and Vomiting: Gastrointestinal discomfort is possible, especially when starting Clenbuterol.
  5. Sweating: Excessive sweating is a common side effect.


Clenbuterol, manufactured by SP-Laboratories, offers both medical benefits and a potent tool for those seeking to lose body fat and improve their physique. However, it’s essential to use this drug responsibly, under the guidance of a healthcare professional, to minimize the risk of side effects and achieve the desired results safely. Always prioritize your health and well-being when considering Clenbuterol use.