Microbiologists and general practitioners explain how the idea that Vitamin C helps prevent against the cold got started, and ...

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.

I'm a shopper on a $250 budget who lives two hours away from Costco. My favorite things to get include Kirkland Signature ...

Here's what you need to know about popular supplements Airborne and Emergen-C, including how well they work, safety ...