Here's what you need to know about Airborne: Like Airborne, Emergen-C is a dietary supplement that contains multiple ...

Many studies have been conducted on its main ingredient, vitamin C, with mixed results. Because Emergen-C is a supplement, it can't make specific health claims. Its manufacturer settled a ...

While a packet of Emergen-C or a tablet of Airborne won't hurt you, doctors say you'll probably pee out more of the vitamin than you can use, and that your money might be better spent elsewhere.