Tea
Caffeine in Earl Grey Tea
47mg
per 8 oz
≈ 1 Red Bull12% of FDA daily max
Is that a lot?
Earl Grey Tea is 12% of the FDA’s recommended daily maximum, in a single 8 oz.
Green tea
Earl Grey Tea
Espresso
Red Bull
Coffee
FDA daily max · 400mg
Before bed
When can I drink Earl Grey Tea and still sleep?
Your Earl Grey Tea cutoff
You drink it at
Bedtime
Earl Grey Tea · 47 mg · assuming an average ~5 h half-life
At bedtime
16 mg
close to optimal
Latest safe Earl Grey Tea: 11:00 PM
How much caffeine is in Earl Grey Tea?
Earl Grey is black tea scented with bergamot, carrying about 47 mg of caffeine per cup, roughly half a coffee. The citrusy aroma gives it character, but the caffeine stays in everyday tea territory.
| Serving | Caffeine | Sugar |
|---|---|---|
| 8 oz | 47 mg | 0 g |
Black tea with bergamot; ~40–70 mg.
Will Earl Grey Tea affect your sleep?
From 47 mg, Earl Grey is already near the 50 mg threshold and dips below within an hour or so. An afternoon cup is usually clear by bedtime, making it a friendlier evening tea than coffee.
Source: USDA / published assays