Description
Overview
Stimulates beta-2 receptors raising metabolic rate/thermogenesis and has mild anti-catabolic effect; also a bronchodilator.
Composition / Profile
- Active compound: Clenbuterol
- Drug class: Beta-2 adrenergic agonist (NOT a steroid)
- Pack / dose (this listing): 100tab / 40mcg
Format
- Oral tablet
- Pack / dose: 100tab / 40mcg
Dosage & Usage Patterns
- Bodybuilding (commonly cited): Commonly cited: ~20–120 mcg/day ramped over 2 weeks on / 2 weeks off; tolerance builds quickly.
- Clinical / general reference: Very individual and risk-sensitive; tolerance builds fast.
- Half-life: ~26-36 h (long — stacking doses accumulate).
- Protocols vary by individual, compound stack, and bloodwork — figures above reflect community-reported patterns, not medical recommendations.
Effects
Reported benefits (commonly cited)
- Thermogenic fat loss.
- Mild anti-catabolic effect.
- Appetite suppression.
- Bronchodilation.
- Stimulant-like metabolic boost.
Reported side effects
- Tachycardia, tremor, anxiety, insomnia, sweating, muscle cramps (taurine/electrolyte depletion), cardiac strain/hypertrophy risk.
Key Interactions
- Additive with stimulants/caffeine.
- Interacts with beta-blockers and cardiac drugs.
- Depletes taurine/potassium.
Precautions
- Cardiac risk is real, especially with long half-life stacking and other stimulants.
- Not benign ‘just a fat burner.’
Common Misconception
Myth: clen ‘builds muscle’ in humans.
Evidence: the anabolic effect seen in livestock/rodents does not meaningfully translate to humans; in people it’s mainly a stimulant fat-loss aid.
Related Categories
- Browse more in Fat Burners → Clenbuterol.
Storage
- Store in a cool, dry place away from direct light and moisture






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