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Quercetin - To Take or Not to Take?

The quercetin compound occurs widely in nature, found in berries, fruits, grains, and vegetables. Onions and kale are particularly rich. Quercetin is a “polyphenol” and belongs to the “flavonoid” family of compounds. “Polyphenol” is a description of molecular structure and refers to the multiplicity OH groups around the periphery of the molecule. It is these “functional groups” that allow polyphenols to neutralize potentially damaging free radicals through the donation of a hydrogen atom. This is what is referred to as “antioxidant” activity and is the reason that polyphenols have been promoted as useful dietary supplements.

The current interest in quercetin, however, has nothing to…

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Last Updated : Friday, October 9, 2020