Two of the most common over-the-counter supplements for colds are vitamin C and Echinacea. Whether they work is a matter of debate.
If you focus on what I call the "4H" approach, you'll be able to prevent and treat a cold:
When it comes to preventing colds, work with your doctor and remember the 4 H's. It will help to improve your odds. For the Texas Tech Health Sciences Center, I'm Dr. Tedd Mitchell, and this is the President's Prescription.
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