Tap in what you’ve had today to see your total caffeine against the safe limit for you.
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How much caffeine is in…
| Drink or food | Caffeine |
|---|---|
| Cup of instant coffee | 100 mg |
| Cup of tea | 75 mg |
| Can of cola | 40 mg |
| 250 ml energy drink | 80 mg |
| 50 g plain dark chocolate | up to 25 mg |
| 50 g milk chocolate | up to 10 mg |
Filter coffee and coffee-shop drinks can contain much more than instant coffee, so check the label or the shop’s nutrition information and add it as “anything else”.
Safe daily limits
| Who | Limit |
|---|---|
| Healthy adults | 400 mg a day, and no more than 200 mg at once |
| Pregnant women | 200 mg a day |
| Children and teenagers | 3 mg per kg of body weight a day |
Caffeine stays in your body for hours: even 100 mg near bedtime can make it harder to fall asleep.
Frequently asked questions
How much caffeine is safe in pregnancy?
The NHS says no more than 200 mg a day, about two cups of instant coffee.
How much caffeine is in an energy drink?
About 80 mg in a 250 ml can; 500 ml cans have about twice that.
Does decaf have caffeine?
A little, usually only a few milligrams.
Is anything stored?
No, nothing leaves your browser.
Sources
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