How much caffeine is in Dr Pepper (12oz can)?
中文：Dr Pepper
Caffeine content
41 mg
per 12 fl oz (355 ml)
About this drink
Dr Pepper falls between Coca-Cola and Mountain Dew on caffeine. The 23-flavor blend gives it a distinct profile but the caffeine math is unremarkable.
Ingredients: Carbonated water, HFCS, caramel color, natural and artificial flavors, phosphoric acid, caffeine, sodium benzoate
When will it clear your system?
41 mg is mild. Three cans pace yourself into the same caffeine territory as a single energy drink.
Based on caffeine's 5-hour half-life, a Dr Pepper (12oz can) consumed at 2:00 PM drops below the sleep-safe threshold (~20 mg) by approximately 19:11 the same evening.
Where this fits in a daily limit
That's about 21% of the 200 mg pregnancy guideline and 10% of the 400 mg general adult daily limit — comfortably moderate.
See our pregnancy caffeine guide or half-life sleep math for the deep dive.
How it compares
| Drink | Caffeine |
|---|---|
Dr Pepper (12oz can) Dr Pepper | 41 mg |
| Coca-Cola (12oz can) Coca-Cola | 34 mg |
| Mountain Dew (12oz can) Mountain Dew | 54 mg |
Track your caffeine automatically
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Learn more about SipNoteFrequently asked questions
How much caffeine is in a Dr Pepper (12oz can)?
A 12 fl oz (355 ml) Dr Pepper (12oz can) contains approximately 41 mg of caffeine. Actual values may range from 41 to 41 mg depending on preparation and source variation.
Is Dr Pepper (12oz can) safe during pregnancy?
The current ACOG and NHS guideline is under 200 mg of caffeine per day during pregnancy. A Dr Pepper (12oz can) fits comfortably within that limit. Always consult your obstetrician for personalized advice.
When should I stop drinking Dr Pepper (12oz can) for sleep?
Caffeine has a 5-hour half-life. To have under 20 mg circulating at bedtime (the typical sleep-safe threshold), stop drinking Dr Pepper (12oz can) about 6 hours before sleep. 41 mg is mild. Three cans pace yourself into the same caffeine territory as a single energy drink.
Dr Pepper (12oz can) vs Coca-Cola (12oz can) — which has more caffeine?
Dr Pepper (12oz can) contains 41 mg per serving; Coca-Cola (12oz can) contains 34 mg per 12 fl oz (355 ml). Dr Pepper (12oz can) is the stronger of the two.
Does Dr Pepper (12oz can) keep you awake?
41 mg is mild caffeine. Most people can drink Dr Pepper (12oz can) in the afternoon without notable sleep impact.
Caffeine values shown are typical for the listed serving size. Actual content varies by preparation, brewing method, batch, and brand reformulation. Not medical advice — consult a healthcare provider for personalized guidance.