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May 02, 2018

Due to concerns of potential liver damage related to the intake of catechins through food supplements, the European Food Safety Authority has assessed safe intake levels for green tea catechins. The panel of the Authority concluded that there is generally no risk from the consumption of green tea infusions as well as other beverages with an equivalent composition.

With the use of food supplements however, the daily intake of epigallocatechin gallate -the main catechin present in green tea- can go up to 1000 mg per day. The Panel concluded that doses equal to or above 800 mg/day can be associated with initial signs of liver damage. The available data was considered insufficient to establish a safe dose. Further studies on safe doses of catechins are therefore welcomed.

EFSA - Scientific opinion on the safety of green tea catechins (18 april 2018) â€“ link.

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