- Sun tea (room temperature and during the day).
- Moon tea (room temperature and during the night).
- Fridge tea (refrigerated).
She passed away over thirty years ago so do with this what you will, but I’m convinced I could tell the difference. Who knows though.
https://www.researchgate.net/publication/322924754_Green_Tea...
A cursory glance at a few other sources suggests you'd have to consume on the order of 10,000 times the amount in a glass of tea to get adverse effects. Seems about as toxic as caffeine.
> ...drinking of the studied green teas cannot make a significant contribution to the daily dietary intake of F for consumers.
https://www.ncbi.nlm.nih.gov/labs/pmc/articles/PMC4811265/ https://pubmed.ncbi.nlm.nih.gov/33350950/
Yeah, gonna guess that's not a reputable publication.
Gunpowder green tea is a common version that carries more F than others but most casual drinkers will never come near levels to cause physical concerns.
I also drink coffee sometimes but mostly green tea these days. I get my tea from a Pakistani supermarket in Berlin that sells it in bricks of half a kilo. I drink about a liter of that in the morning. When I drink coffee, it's mostly at nice coffee shops. We're very spoiled with those in Berlin.