Evidence reviewed 4 September 2026
Pret A Manger UK caffeine guide
Compare clearly flagged Pret caffeine figures reported by Which? while seeing the gap in Pret’s public UK product pages.
Quick answer
Pret A Manger caffeine ranges from 28 to 271 mg in this reviewed UK dataset
The lowest documented serving is Pret Matcha Latte — 355 ml; the highest is Pret Filter Coffee — 355 ml. These figures include records with amber evidence warnings, so inspect the evidence label and linked source before relying on an exact amount.
Pret’s public product pages reviewed do not list caffeine in milligrams. The figures below are separately flagged because Which? reported them after contacting chains and consulting online guides; they are not presented as public first-party listings.
Explore Pret A Manger caffeine by drink and size
Filter the documented records, then open a drink page to inspect provenance and evidence quality before using that serving in the calculator.
| Drink | Serving | Caffeine | Evidence | Actions |
|---|---|---|---|---|
| Pret Americano | 355 ml | 180 mg | Secondary reported figure | |
| Pret Cappuccino | 355 ml | 180 mg | Secondary reported figure | |
| Pret Espresso | 50 ml shot | 180 mg | Secondary reported figure | |
| Pret Filter Coffee | 355 ml | 271 mg | Secondary reported figure | |
| Pret Flat White | 237 ml | 180 mg | Secondary reported figure | |
| Pret Latte | 355 ml | 180 mg | Secondary reported figure | |
| Pret Matcha Latte | 355 ml | 28 mg | Secondary reported figure |
Scope and limitations
- Every figure links to its own source and carries an evidence label; weaker evidence is never presented as a current first-party exact value.
- Custom drinks and recipe changes may differ from a standard listed serving.
- Rankings describe caffeine quantity; they do not rate health, quality or suitability.