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Dark chocolate, 70-85% cocoa caffeine
Dark chocolate, 70-85% cocoa contains 16 mg of caffeine per 20 g (2 squares) (USDA FoodData Central: chocolate, dark, 70-85% cacao solids). How it compares with the EFSA daily guidance, and where the figure comes from.
Computed from the published 80 mg per 100 g.
Caffeine affects people differently — body weight, habits, medication and pregnancy all change the picture. If you are pregnant, EFSA's figure is up to 200 mg a day. Heart-rhythm conditions and anxiety disorders are reasons to talk to a clinician, not to a table.
Where the figure comes from
USDA FoodData Central: chocolate, dark, 70-85% cacao solids
Against the daily guidance
| Reference | Limit | This drink |
|---|---|---|
| EFSA daily reference, healthy adults | 400 mg | under the line |
| EFSA single-dose reference | 200 mg | under the line |
| EFSA daily reference in pregnancy | 200 mg | under the line |
Sources: USDA FoodData Central · EFSA 2015 — scientific opinion on the safety of caffeine · checked 2026-09-03
Frequently asked questions
How much caffeine is in dark chocolate, 70-85% cocoa?
16 mg per 20 g (2 squares), per USDA FoodData Central: chocolate, dark, 70-85% cacao solids.
Is dark chocolate, 70-85% cocoa a lot of caffeine?
Not against the EFSA reference points: up to 400 mg a day and up to 200 mg per sitting is considered safe for healthy adults.
Does dark chocolate, 70-85% cocoa vary between batches?
Yes — every caffeinated drink varies with ingredients and preparation. This figure is a published reference point, not a measurement of your cup.
Brewed (filter) coffee
95 mg per 240 ml mug
Espresso
63 mg per 30 ml shot
Instant coffee
62 mg per 240 ml mug
Decaffeinated coffee
2 mg per 240 ml mug
Cold brew
100-200 mg per 240 ml
Black tea
47 mg per 240 ml mug
Count the coffees, keep the sleep
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