Clen is a pharmaceutical-grade preparation containing Clenbuterol Hydrochloride, a long-acting beta-2 adrenergic agonist with powerful bronchodilator properties. Manufactured under strict GMP standards, Clen is formulated for consistent potency, purity, and therapeutic performance.

Medically, Clen is indicated for the treatment of asthma and other obstructive pulmonary diseases, where it works by relaxing the smooth muscles of the airways to improve airflow and ease breathing. It is designed for prescription-only use under the supervision of a qualified healthcare provider.