Black Tea Extract
Black tea is widely consumed safely. Concentrated extracts contribute caffeine; EFSA's 2015 caffeine opinion finds intakes up to 400 mg/day for adults are not of safety concern.
What it is
Concentrated extract of Camellia sinensis leaves containing polyphenols and caffeine.
Flavoring and source of natural caffeine and polyphenols.
Why it's flagged
- caffeine content
- rare hepatotoxicity at high catechin doses
What regulators actually say
"Single doses of caffeine up to 200 mg and habitual intakes of up to 400 mg/day do not raise safety concerns for adults."
"Catechins from green tea infusions and similar drinks are generally safe; doses ≥800 mg/day EGCG taken as food supplement have been associated with hepatic adverse effects."
Regulatory status
United States — FDA
Tea is GRAS as a conventional food/flavor.
European Union — EFSA
Authorized; EFSA 2018 opinion noted hepatotoxicity risk for ≥800 mg/day green tea catechins.
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