Life Do your meals need a healthy boost? Look for foods containing flavonoids. May 25, 2023Daryl Austin, USA TODAYComments Off on Do your meals need a healthy boost? Look for foods containing flavonoids. Flavonoids are compounds also known as phytonutrients. The six subtypes are flavanols, flavanones, isoflavones, flavones, flavan-3-ols, anthocyanins.