Posted by Reviewer1614009 on May 17, 2011 | Verified Purchase
I used this product during 4 months of chemotherapy and never got sick from contact with other people and their germs. Some nights I would come home from work with a sore throat, take a capsule and felt fine in the morning. I still rely on these and have found(though I take them less regularly) that they help fight off colds for both me and my family.
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