Other Polyphenols
The Compounds (5)
Curcumin
The yellow polyphenol of turmeric root, studied for joint pain, osteoarthritis and inflammation, though it is poorly absorbed on its own.
Read the deep dive →Resveratrol
Stilbene polyphenol from grapes and Japanese knotweed, studied for sirtuin and longevity biology; human trials are mixed, with a bleeding-risk caution.
Read the deep dive →Hydroxytyrosol
The olive's signature polyphenol, found in extra-virgin olive oil and olive leaves, with the best human evidence for heart and blood-lipid effects.
Read the deep dive →Ellagic Acid
Found in pomegranates, berries and walnuts, this polyphenol is turned by gut bacteria into urolithins, studied for heart, metabolic and muscle-aging effects.
Read the deep dive →Urolithin A
What gut bacteria make from ellagitannins: mitophagy, muscle trials in older adults, null results and safety.
Read the deep dive →Ferulic Acid
A polyphenol from the bran of whole grains, studied for antioxidant activity and used in skincare to stabilize vitamin C and E serums.
Read the deep dive →The polyphenols that are not flavonoids — curcumin, resveratrol and the phenolic acids. Curcumin and resveratrol are the two most oversold compounds in this section, and their pages say so with the trial data rather than around it.