Clenbuterol binds to β₂-adrenergic receptors, stimulating a cascade that:
- Raises metabolic rate (thermogenesis), increasing calorie expenditure.
- Enhances lipolysis, helping mobilize stored fat for energy.
- Improves bronchodilation, which can ease airflow and support endurance work.
- Has mild anabolic/anti-catabolic effects in some contexts, aiding lean mass preservation.






