What it does: Tannins function as antioxidants and can bind to proteins, supporting digestive comfort and promoting healthy tissue tone in the gut and mucous membranes.
How it is used: Commonly found in digestive health supplements, antioxidant blends, and traditional wellness formulations for gut and mucosal support.
Natural sources and supplement forms: Tannins occur naturally in tea leaves, red wine, berries, nuts, pomegranates, witch hazel, and oak bark. Supplement forms include standardized plant extracts, herbal teas, capsules, and powders.
Why it appears in supplement formulas: Tannins are chosen for their antioxidant potency, digestive soothing properties, and ability to help maintain tissue resilience in digestive and mucosal tissues.
What to know before use: High tannin intake can reduce iron absorption, so people with low iron or those taking iron supplements should consult a healthcare professional before use.
Interesting Fact
Tannins: The Plant Compounds Behind Tea’s Signature Dryness
Tannins are naturally occurring plant compounds found in foods like tea, red wine, chocolate, and some fruits. They’re best known for creating the slightly dry, puckering sensation you get when drinking strong black tea. In supplements, tannins are valued for their astringent properties, which reflect their ability to interact with proteins and other molecules in the body.
