Clenbuterol is a potent, long-acting beta-2 adrenergic agonist with bronchodilator activity. Its medical approval and use vary by country.

Clenbuterol 40 is listed at a strength of 40 mcg and associated with Gomeisa Labs. The exact formulation, tablet count, and packaging should be confirmed from the product label.

Clenbuterol can produce cardiovascular and neurological effects, including increased heart rate, tremor, and palpitations. It should only be used where medically authorized and with appropriate professional guidance.