Posted by iHerb Customer on Dec 14, 2007 | Verified Purchase
An excellent medication to take to avoid colds and any other airborne virus. We use this when we fly and haven't gotten a cold on a plane since!
Posted by iHerb Customer on Nov 10, 2008 | Verified Purchase
The Yin Chaio that I ordered seemed to do exactly what I expected - stoped my cold dead in its tracks. I took two pills when I first noticed a cold coming on and by the next day, I felt fine. There were no side effects from this drug and I'm pleased with the results.
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