User Reviews for Tannic Acid

Comments & ratings on the side effects, benefits, and effectiveness of tannic acid.

Most voted positive review

13 People found this comment helpful

Tanic acid is the active ingredient in the cold sore ointment, Zilactin. While it is not sold in drug stores in the US, you can still buy this product online. It is the BEST product I've ever tried in treating and preventing cold sores, and is a lot cheaper than the popular name brands, like Abreva.

Most voted negative review

5 People found this comment helpful

I have always drank black tea, but lately my early morning tea leaves me nauseated, is this the tannic acid.

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