Did You Know

Flavonoids Support Cardio Health

January 2009

Oral Supplementation of flavonoids may enhance the lining of blood vessels, according to researchers. A daily dose of quercetin or (-)-epicatechin appeared to promote healthy endothelial function, a key marker of cardiovascular health, according to results on a recent trial. "We have shown that oral administration of pure dietary flavonoids, quercetin and (-) –epicatechin augment NO status in healthy men," researchers wrote. Nitric oxide (NO) is a molecule used by the endothelium to signal surrounding muscles to relax. Flavonoids can be split into a number of sub-classes, including anthocyanins found in berries, flavonols from a variety of fruit and vegetables, flavones from parsley and thyme, flavanones from citrus, isoflavones from soy, mono- and poly-meric flavonols like catechins in tea and the proanthocyanidins from berries, wine and chocolate.

Am. Journal of Clinical Nutr. 88(4): 1018–1025, 2008

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