Clenbuterol Tablets (Clenbuterol Hydrochloride)
Clenbuterol Hydrochloride, commonly referred to as Clen, is a compound originally developed as a bronchodilator for the treatment of respiratory disorders such as asthma. In some countries, it remains available by prescription for this purpose. Over time, it has gained attention in sports and fitness communities for its secondary effects on metabolism and body composition. This page provides a factual overview of Clenbuterol, its uses, and important considerations for those seeking information about it.
What Are Clenbuterol Tablets and Why Are They Used?
Clenbuterol belongs to a class of drugs known as sympathomimetic amines. It works by stimulating beta-2 adrenergic receptors, which leads to relaxation of smooth muscles in the airways—hence its use as a bronchodilator. This same mechanism also produces a stimulant effect, increasing metabolic rate and body temperature, a process known as thermogenesis.
Due to this thermogenic effect, some individuals explore Clenbuterol for its potential to support fat loss during cutting phases. It is often discussed in bodybuilding and athletic circles for its ability to help preserve lean mass while in a caloric deficit. However, it is critical to understand that Clenbuterol is not an anabolic steroid; it is a performance-enhancing drug with a different mechanism of action and risk profile.
Safety, Legality, and Medical Risks
The use of Clenbuterol carries significant medical considerations that must not be overlooked. It is not FDA-approved for human use in the United States, and its sale for human consumption is prohibited in many regions. In countries where it is legal, it is strictly prescription-only for respiratory conditions.
Common side effects include:
- Tremors (shaking of the hands)
- Increased heart rate (tachycardia)
- Insomnia and anxiety
- Headaches and excessive sweating
- Electrolyte imbalances (potassium and taurine depletion)
More serious risks involve cardiac stress, particularly in individuals with pre-existing heart conditions. The drug's long half-life (approximately 34 hours) means side effects can be prolonged and accumulation can occur with frequent dosing. Medical supervision is strongly advised before considering the use of Clenbuterol.
How to Avoid Counterfeits and Reduce Risk
The unregulated nature of the market for products like Clenbuterol means that counterfeit and contaminated products are common. These fake products may contain incorrect dosages, harmful fillers, or entirely different active ingredients, posing serious health risks.
To reduce risk:
- Source verification: Purchase only from suppliers with a long-standing, verifiable reputation and transparent communication.
- Look for authenticity measures: Some reputable sources use holograms, scratch-off codes, or batch testing.
- Be skeptical of unrealistically low prices: If the deal seems too good to be true, it almost certainly is.
- Never exceed cautious dosing protocols: Starting with very low doses to assess tolerance is a fundamental safety practice.
At 1Steroids.net, we take product authenticity seriously. Our sourcing partners are vetted, and we encourage all customers to contact us directly with any concerns about product quality or origin.
Classification: Beta-2 Adrenergic Agonist / Bronchodilator
Active substance: Clenbuterol Hydrochloride
Manufacturer: Dragon Pharma
Form/Strength: Oral Tablets / 40 mcg per tablet
Pack size: 100 tablets
Route: Oral Administration
Lab Test: View Result
Classification: Advanced Thermogenic Fat Burning Compound
Active substances:
 - Clenbuterol HCl (37 mcg)
 - Liothyronine Sodium (T3) (25 mcg)
 - Yohimbine HCl (5.4 mg)
Manufacturer: Dragon Pharma
Form/Strength: Oral Tablets / 6.02 mg per tablet
Pack size: 100 tablets
Route: Oral Administration
Classification: Fat Burning Compound
Active substances:
 - Clenbuterol 80 mcg
 - Yohimbine 5 mg
Manufacturer: Dragon Pharma
Form/Strength: Injectable Solution / 5.8 mg/mL
Pack size: 10 mL Vial
Route: Subcutaneous/Intramuscular Injection
Lab Test: View Result
Classification: Beta-2 Adrenergic Agonist
Active substance: Clenbuterol Hydrochloride
Manufacturer: Kalpa Pharmaceuticals
Form/Strength: Tablet, 40 mcg/tablet
Pack size: 100 tablets
Route: Oral
Lab Test: View Result
Active substance: Clenbuterol Hydrochloride
Manufacturer: Axiolabs
Unit: 100 pills (40 mcg/pill)
For Oral Administration
Lab Tested: Check Lab Test Results
Active substance: Clenbuterol Hydrochloride
Manufacturer: British Dragon Pharmaceuticals
Unit: 100 pills (40 mcg/pill)
For Oral Administration
Lab Tested: Check Lab Test Results
Manufacturer: Stealth Labs USA
Unit: 100 pills (40 mcg/pill)
For Oral Administration
Shipped Without Label!
Lab Tested: Check Lab Test Results
Frequently Asked Questions (FAQ)
Is Clenbuterol a steroid?
No. Clenbuterol is a sympathomimetic amine, often classified as a beta-2 agonist. It is structurally and functionally different from anabolic-androgenic steroids (AAS).
How is Clenbuterol typically used for fat loss?
It is commonly used in cycles, often following a pattern of two weeks on followed by two weeks off to help maintain receptor sensitivity. Dosages are typically started low and gradually increased (titrated) to assess tolerance. This is for informational purposes only and not a recommendation.
What is the half-life of Clenbuterol?
The half-life of Clenbuterol is approximately 34 hours, meaning it stays active in the body for an extended period. This is why once-daily dosing is often sufficient and why side effects can persist.
Can women use Clenbuterol?
Clenbuterol is used by both men and women, though women are often more sensitive to its effects and typically use lower doses. The same safety considerations and risks apply regardless of gender.
Do you ship to USA?
Please visit our Shipping & Returns page for detailed information, or contact our customer support team directly.
Common Names and Brand Variations
Clenbuterol Hydrochloride is manufactured under many different brand names internationally. While this is not an exhaustive list, some of the more commonly encountered names include: Spiropent, Ventolase, Clenbut, Novegam, Oxibron, and Clenbunal. The active ingredient remains the same, but excipients and tablet strength can vary.
Ordering Information & Customer Support
We understand that navigating product information can be complex. Our team is available to answer your questions about Clenbuterol tablets, order status, and shipping.
- Customer Support: Use our contact form. We aim to respond within 24 hours on business days.
- Shipping Summary: We offer various shipping options. Discreet packaging is used for all orders. Full details can be found on our Shipping & Returns page.
- Authenticity Policy: We are committed to providing authentic products. If you have concerns about a product you have received, please contact us immediately to report the issue.
- Educational Purpose: The information on this page is for educational purposes only and is not medical advice. Always consult with a qualified healthcare professional before using any new substance.
Last updated: March 2026