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Green Tea
Green Tea
Safe
Green tea contains catechins (especially EGCG), L-theanine, and caffeine; observational studies link consumption to cardiovascular and metabolic benefits. As a dietary beverage, it has a long history of safe use.
Found in
3,229 products
What it is
Beverage or extract from steamed/dried unoxidized leaves of Camellia sinensis.
Flavoring, antioxidant ingredient; source of caffeine and catechins.
Why it's flagged
- caffeine content
- rare hepatotoxicity from concentrated extract supplements
What regulators actually say
"Catechins from green tea infusions and similar drinks prepared in a traditional way are considered to be generally safe."
Regulatory status
United States — FDA
Whole food/beverage, GRAS in normal use
European Union — EFSA
Whole food/beverage; EFSA scientific opinion in 2018 noted hepatotoxicity from high-dose EGCG extracts
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