isoflavone

American  

[ahy-soh-fley-vohn] / ˌaɪ soʊˈfleɪ voʊn /

noun

1. a phytoestrogen produced chiefly by plants of the legume family, especially soybeans, potentially useful in lowering cholesterol and in treating some cancers and menopausal symptoms.

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isoflavone British  

/ ˌaɪsəʊˈfleɪvəʊn /

noun

1. one of a class of phytoestrogens, found in soya beans and marketed as a health supplement

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Etymology

Origin of isoflavone

First recorded in 1925–30; iso- + flavone

Example Sentences

The juice was made using tomatoes specially bred to contain elevated levels of lycopene and was fortified with soy isoflavone extract.

From Science Daily • May 30, 2026

However, changes related to soy isoflavone metabolites stood out in participants who consumed the tomato-soy juice.

From Science Daily • May 30, 2026

But she cautioned against using isoflavone supplements, which can contain far greater amounts of the compounds than are found in foods.

From Seattle Times • Apr. 8, 2023

We didn't see any objective clinical benefit for soy isoflavone supplements.

From US News • Aug. 9, 2011

Stay away from isoflavone supplements; the stuff probably won't do you much good by itself and could lead to problems in high doses.

From Time Magazine Archive