Starbucks
How much caffeine is in Starbucks Doubleshot Energy Mocha?
Data checked against the source on 2026-10-03 by Oleksii Y.
One 15 fl oz can of Starbucks Doubleshot Energy Mocha has 135 mg of caffeine, according to PepsiCo Product Facts.
How Starbucks Doubleshot Energy Mocha compares
- Strength: 30 mg per 100 ml.
- One 15 fl oz can has as much caffeine as about 1.5 cups of brewed coffee, which has 94.8 mg per 8 fl oz cup.
How much will be left at bedtime?
1 × 15 fl oz can of Starbucks Doubleshot Energy Mocha
Left at 11:00 PM (8 h later), average metabolism
≈ 45 mg
Range 21–68 mg (fast to slow metabolism)
To be at 50 mg or less by bedtime, have 135 mg by 3:05 PM (average) or 10:47 AM (slow metabolism).
What sleep studies found near this dose
- Gardiner et al. 2023 (meta-analysis): To avoid losing sleep time, the authors suggest a coffee (107 mg per 250 ml) at least 8.8 hours before bed.
- Gardiner et al. 2023 (meta-analysis): For a pre-workout serving (217.5 mg), the authors suggest at least 13.2 hours before bed.
Estimate from a simple model: half-life of 3, 5 or 8 hours, 50 mg bedtime target. How we calculate
How long does Starbucks Doubleshot Energy Mocha stay in your system?
Our model halves caffeine every 5 hours for average metabolism, and every 3 or 8 hours for fast or slow metabolism. From one 15 fl oz can of Starbucks Doubleshot Energy Mocha (135 mg), about 68 mg is still in your body 5 hours later and about 34 mg after 10 hours. If you clear caffeine slowly (an 8-hour half-life), about 57 mg is left after 10 hours.
Estimated caffeine left at 11:00 PM from one 15 fl oz can (135 mg), using a half-life of 5 hours for average metabolism and 3 to 8 hours for the range. How we calculate
| Had at | Left at bedtime (average) | Range |
|---|---|---|
| 8:00 AM (15 h before bed) | ≈ 17 mg | 4–37 mg |
| 12:00 PM (11 h before bed) | ≈ 29 mg | 11–52 mg |
| 3:00 PM (8 h before bed) | ≈ 45 mg | 21–68 mg |
| 6:00 PM (5 h before bed) | ≈ 68 mg | 43–88 mg |
How many fit in a day?
Reference amounts are for caffeine from all sources combined. Counted at the upper end of the stated amount, one serving at a time:
- Up to 400 mg a day for most healthy adults (FDA, EFSA): about 2 servings.
- Up to 200 mg at one time for healthy adults (EFSA): about 1 serving in one go.
- Up to 200 mg a day in pregnancy (EFSA, NHS): about 1 serving.
These are reference amounts for groups of people, not a personal limit. Some people feel jittery or sleep worse on much less. See the cutoff calculator for timing.
Good to know
Starbucks Doubleshot Energy is a canned drink bottled and labelled by PepsiCo, not brewed in Starbucks stores.
Starbucks Doubleshot Energy Mocha vs other Starbucks canned and bottled drinks
- Starbucks Tripleshot Energy Caffè Mocha: Starbucks Doubleshot Energy Mocha has less caffeine than Starbucks Tripleshot Energy Caffè Mocha per 15 fl oz can: 135 mg vs 225 mg.
- Starbucks Espresso & Cream (can): Starbucks Doubleshot Energy Mocha has less caffeine than Starbucks Espresso & Cream (can) per 100 ml (30 vs 63 mg). Starbucks Doubleshot Energy Mocha: 135 mg per 15 fl oz can; Starbucks Espresso & Cream (can): 120 mg per 6.5 fl oz can (192 ml). Per serving the order flips, because the servings differ in size.
- Starbucks Frappuccino Mocha (bottled): Starbucks Doubleshot Energy Mocha has more caffeine than Starbucks Frappuccino Mocha (bottled) per 100 ml (30 vs 26 mg). Starbucks Doubleshot Energy Mocha: 135 mg per 15 fl oz can; Starbucks Frappuccino Mocha (bottled): 105 mg per 13.7 fl oz bottle.
Common questions
How much caffeine is in Starbucks Doubleshot Energy Mocha?
PepsiCo Product Facts gives 135 mg of caffeine per 15 fl oz can.
How many Starbucks Doubleshot Energy Mocha servings can I have in a day?
The FDA and EFSA cite up to 400 mg of caffeine a day, from all sources combined, for most healthy adults. At 135 mg per 15 fl oz can, that is about 2 servings if Starbucks Doubleshot Energy Mocha is your only source. In pregnancy the reference is 200 mg a day.
How late can I drink Starbucks Doubleshot Energy Mocha?
With an 11:00 PM bedtime, our model suggests having one serving by about 3:05 PM for average metabolism, or 10:47 AM if you clear caffeine slowly. This is an estimate, not a rule.
How long does Starbucks Doubleshot Energy Mocha stay in your system?
Of the 135 mg in one 15 fl oz can, roughly 68 mg remains after 5 hours and 34 mg after 10 hours with our average 5-hour half-life. From fast to slow metabolism, 10 hours later it is between 13 and 57 mg.
Where the number comes from
- Starbucks Doubleshot Energy - Mocha - 15 fl oz. PepsiCo Product Facts. GTIN 00012000028458, nutrition facts: "Caffeine 135mg" Accessed 2026-10-02. Source ↗
Recipes and labels change. If a number here no longer matches the label, the label wins.
General information, not medical advice
If you feel unwell after caffeine — for example chest pain, a fast or irregular heartbeat that does not settle, fainting, confusion or trouble breathing — get urgent medical help. If you are pregnant or breastfeeding, under 18, take medication, or have a heart, liver or anxiety condition, high blood pressure or a sleep disorder, ask a doctor or pharmacist what amount is right for you.
Sources
- U.S. Food and Drug Administration (2024). Spilling the Beans: How Much Caffeine is Too Much? FDA Consumer Updates. fda.gov ↗
- European Food Safety Authority. Caffeine | EFSA. EFSA topic page (summary of the 2015 Scientific Opinion on the safety of caffeine). efsa.europa.eu ↗
- NHS. Foods to avoid in pregnancy. NHS. nhs.uk ↗
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