Package: 100 tabs (40mcg/tab)

Active Substance: Clenbuterol

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Clenbuterol, produced by SP-Laboratories, is an oral medication known for its powerful fat-burning effects. Originally developed as a bronchodilator to treat asthma and other respiratory conditions, Clenbuterol has gained popularity in the fitness and bodybuilding communities for its ability to promote weight loss and enhance athletic performance. It functions as a beta-2 agonist, increasing metabolic rate and thermogenesis, making it a valuable tool for those looking to shed excess fat and achieve a leaner physique.


Clenbuterol is primarily indicated for the treatment of asthma and chronic obstructive pulmonary disease (COPD) due to its bronchodilator properties, which help relax and open the airways, making breathing easier. However, its most well-known off-label use is as a fat burner. Athletes, bodybuilders, and individuals looking to lose weight use Clenbuterol to help accelerate fat loss, particularly during cutting cycles when the goal is to preserve muscle mass while reducing body fat. Its thermogenic effect increases the body’s core temperature and metabolic rate, leading to enhanced calorie burning.


Despite its effectiveness, Clenbuterol is not suitable for everyone. Individuals with heart conditions, high blood pressure, or severe liver or kidney disease should avoid this medication due to its stimulating effects on the cardiovascular system. It is also contraindicated for those with hyperthyroidism, as it can exacerbate symptoms. Pregnant or breastfeeding women should not use Clenbuterol due to potential risks to the fetus or infant. Additionally, individuals with a history of anxiety disorders should be cautious, as Clenbuterol can increase anxiety and nervousness.


Clenbuterol is typically administered orally in tablet form. The dosage and duration of use depend on the individual’s goals and tolerance to the medication. A common starting dose is 20 to 40 micrograms per day, which can be gradually increased based on the user’s response and tolerance. The maximum recommended dose is usually around 120 to 140 micrograms per day. Clenbuterol is often cycled in a two-week on, two-week off pattern to prevent the body from becoming desensitized to its effects. It is important to follow the prescribed dosage and administration schedule to avoid potential side effects and health risks.

Medical Action

Clenbuterol acts as a beta-2 adrenergic agonist, stimulating the central nervous system and increasing the metabolic rate. This leads to a rise in body temperature and enhanced calorie burning, even at rest. Clenbuterol also promotes lipolysis, the breakdown of stored fat into free fatty acids that can be used for energy. This dual action of increasing metabolism and promoting fat breakdown makes Clenbuterol an effective fat-burning agent. Additionally, it can help preserve lean muscle mass during periods of calorie restriction, making it a popular choice for athletes and bodybuilders during cutting cycles.


Before starting Clenbuterol, it is essential to undergo a comprehensive medical evaluation to rule out any contraindications. Regular monitoring of heart rate, blood pressure, and overall health is recommended to detect any adverse effects early. Users should start with the lowest effective dose and gradually increase it while monitoring the body’s response. Adequate hydration is crucial while using Clenbuterol, as it can lead to dehydration due to increased sweating. Avoiding other stimulants, such as caffeine, can help reduce the risk of excessive stimulation and side effects. It is also important to adhere to a balanced diet and exercise regimen to maximize the benefits of Clenbuterol.

Side Effects

Like any medication, Clenbuterol can cause side effects. Common side effects include tremors, increased heart rate, sweating, headaches, and nervousness. These symptoms are usually temporary and can be managed by adjusting the dosage. More severe side effects may include hypertension, palpitations, and anxiety attacks. In rare cases, long-term use of Clenbuterol can lead to cardiac hypertrophy, a condition where the heart muscles become enlarged. It is important to seek medical attention if any severe or persistent side effects occur.


An overdose of Clenbuterol can lead to serious health complications. Symptoms of overdosage may include severe tachycardia, arrhythmias, hypertension, and severe anxiety or panic attacks. In extreme cases, it can cause cardiac arrest or stroke. If an overdose is suspected, it is crucial to seek emergency medical help immediately. Treatment typically involves supportive care, including monitoring of vital signs and administration of medications to counteract the effects of the overdose. Adhering strictly to the prescribed dosage and administration guidelines can prevent the risk of overdosage.


Clenbuterol from SP-Laboratories is a potent oral medication designed to promote significant fat loss and enhance athletic performance. While it offers several benefits, such as increased metabolic rate and preserved muscle mass, it is essential to use it responsibly and under the supervision of a healthcare professional. Understanding the indications, contra-indications, proper administration, and potential side effects can help users maximize the benefits while minimizing risks. Always consult with a healthcare provider before starting any new medication to ensure it is appropriate for your individual health needs.


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