iHerb Customer Reviews
Posted by Reviewer1511533 on Oct 19, 2010
Posted by Reviewer1731051 on Dec 06, 2010
Posted by Reviewer2962250 on Jun 09, 2011
If you believe in it...
Posted by HDumas on Nov 12, 2012
I went through half of these during my last head cold. It is hard to gauge how much they sped up recovery. The cold never got too serious, so perhaps they had something to do with it.
Hard to tell
Posted by Reviewer1768095 on Oct 14, 2009
I've used this along with a couple other products when I felt a possible flu coming on, and have been able to avoid getting sick.