Science says, if you're already coming down with something, it's too late—and it doesn't work well as a preventative, either.

In a viral video, a microbiolgist warns that Vitamin C supplements like Emergen-C and Airborne don't prevent colds.

Airborne and Emergen-C are popular immune support supplements marketed as immune ... the Food and Drug Administration (FDA) does not regulate supplements the way it does for prescription medications.

Many people have questions about how long does Mucinex last. This information is essential to ... up to 12 hours. To help Mucinex work best, take it with plenty of water. Hydration helps the body ...

Facts about the common cold. InformedHealth.org [Internet]. In brief: How does the immune system work?. Cologne, Germany: Institute for Quality and Efficiency in Health Care (IQWiG); 2023.