Phenolic-Acids

Ellagic acid

The microbial substrate for urolithin formation. Conversion depends on the community and can stop at intermediates. It is not urolithin A.

Hydroxytyrosol (Olive Polyphenol)

Potent antioxidant polyphenol from extra-virgin olive oil; anti-inflammatory

Tyrosol

Phenolic compound in olive oil; neuroprotective effects and precursor to hydroxytyrosol