While a packet of Emergen-C or a tablet of Airborne won't hurt you ... And this to me is what people mean when they say they have a good immune system. It's not something inherent in their ...

It’s common to take a few tablets when we’re worried about getting sick or mix up a glass of Emergen-C at the first sign ... public that vitamin C boosts immune function, yet human studies ...

Emergen-C is advertised to offer "everyday immune support ... one Emergen-C packet only contains 2mg of zinc. The other ingredients in Emergen-C may have antioxidant properties.