Airborne "Effervescent Health Formula"

[Slow Play Ray]

Has anybody used this stuff? Opinions? My girlfriend has a pretty nasty cold, and she insists if I take this stuff I will not catch it from her. For only a $5 investment, I figure its worth a try. I bought some and have been taking it since yesterday, but I am still a bit skeptical. I have read pretty rave reviews elsewhere, but I would like to get some opinions I trust (wow, did I really just say that in reference to OOT??).

*Edit* And for your troubles: