Hmm. That’s a good point. I wonder if there’s trouble lurking there.
The government proposals will make it illegal to sell high-caffeine energy drinks containing more than 150mg of caffeine per litre to anyone under 16 in England.
A 12-ounce (oz) cup of brewed coffee may contain 113 to 247 milligrams (mg)Trusted Source of caffeine, whereas a smaller 8-ounce cup can contain about 95 to 200 mg.
Hmm. A liter is 2.8 times larger than a 12 fluid ounce cup, so that’d be 318 mg/L to 696 mg/L.
We rather famously drink tea.
Hmm. That’s a good point. I wonder if there’s trouble lurking there.
Aight, so that’s their red line.
https://www.healthline.com/nutrition/how-much-caffeine-in-coffee
Hmm. A liter is 2.8 times larger than a 12 fluid ounce cup, so that’d be 318 mg/L to 696 mg/L.
goes looking for tea
https://angelinos.com/blogs/news/which-tea-is-the-most-caffeinated
4.23 of those in a liter, so between 270 mg/L and 473 mg/L.
It looks like tea and coffee — at least were they energy drinks — would have too much caffine.