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Catechins
Emerging research
Polyphenols concentrated in green tea and matcha. Often discussed in relation to antioxidant interest and alertness.
Often discussed in relation to
Commonly noted
- Commonly noted
- Catechins are antioxidant polyphenols that occur naturally in tea from the Camellia sinensis plant, with green tea a particularly rich source; EGCG is the most studied catechin.
- Higher intake
- Green tea as a beverage carries no reported safety concern for adults; concentrated green tea extract supplements are commonly discussed in relation to nausea, stomach discomfort, and, uncommonly, effects on the liver.
Source: NCCIH
Commonly found in
MatchaWorth knowing
Very high-dose green tea extract supplements have been associated with rare liver issues; food and beverage amounts are a different context.
Feelments is for personal tracking and general wellness education. It does not provide medical advice, diagnosis, or treatment.