Compared to other beta-agonists such as albuterol or salmeterol, Clenbuterol demonstrates a higher selectivity ratio for beta-2 over beta-1 receptors. Clenbuterol is chemically classified as a long-acting beta-2 adrenergic agonist (LABA), yet its pharmacologic behavior differs notably from inhaled bronchodilators. Whether used short-term in pulmonary rehabilitation or as part of
