This article gives an overview of the potential hazards of polyphenol consumption, as
reported during the round-table discussion at the 1st International Conference on
Polyphenols and Health, held in Vichy, France, November 2003. Adverse effects of
polyphenols have been evaluated primarily in experimental studies. It is known, for example,
that certain polyphenols may have carcinogenic/genotoxic effects or may interfere with
thyroid hormone biosynthesis. Isoflavones are of particular interest because of their …