Evaluating the Effect of Mucinex® 1200 mg on Mucociliary and Cough Clearance From the Human Lung

An Open-Label, 2-way Crossover Placebo-Controlled , Radio-Labeled Tracer Study Evaluating the Effect of MUCINEX® 1200 mg on Mucociliary and Cough Clearance From The Human Lung In Healthy, Non-Smoking Adults

The purpose of this research study is to test the ability of Mucinex, an oral, over-the-counter, FDA approved expectorant) to stimulate the clearance of inhaled particles from the subject's lungs (called "mucociliary clearance"). The study will also monitor the metabolism of the drug by the subject's body.

Inclusion Criteria:

• Healthy
• Non smoker
• BMI 19-29
• Normal lung function

Exclusion Criteria:

• Pregnant
• Smokers
• Any illness