1. Plural of clenbuterol; a synthetic drug that acts as a bronchodilator and decongestant, used medically to treat asthma and breathing disorders in some countries, and illegally used as a performance-enhancing drug in sports and bodybuilding.
Usage: pharmaceutical/medical term; often associated with doping in sports; controlled or banned substance in many jurisdictions

Examples

• The athlete tested positive for clenbuterols, a banned substance in professional sports.
• Clenbuterols are prescribed in some countries to help patients with severe asthma.
• The investigation revealed that clenbuterols had been illegally distributed to gym members.
• Veterinarians use clenbuterols in some regions to treat respiratory conditions in livestock.
• The side effects of clenbuterols include tremors, increased heart rate, and anxiety.