Green Tea Extract
This is what the ingredient is.
Green tea extract contains polyphenols, primarily catechins like EGCG, with antioxidant properties.
Here is why it shows up on the label.
Used as a natural antioxidant and functional ingredient in foods and beverages. Also sold as dietary supplement.
Here is what food agencies say.
FDA GRAS for food use. EFSA raised concerns about high-dose supplements but food use considered safe.
Here is what research has found.
Rich in catechins with documented antioxidant activity. Traditional beverage consumption safe. High-dose supplements associated with liver concerns.
Here are a few things worth knowing.
Food-level consumption safe. High-dose supplements (>800mg EGCG/day) linked to rare liver injury. Contains caffeine.
Sources
- FDA GRAS Notice
- EFSA Scientific Opinion 2018
- NIH Dietary Supplement Label Database
How to read this page
We publish plain facts about this ingredient so a label is easier to read. This is not medical advice, and it is not a recommendation to buy, avoid, or use anything. For a personal health question, talk with a clinician who knows your history.