Mtn Dew
How much caffeine is in Mtn Dew Kickstart Orange Citrus?
Data checked against the source on 2026-10-03 by Oleksii Y.
One 12 fl oz can of Mtn Dew Kickstart Orange Citrus has 69 mg of caffeine, according to PepsiCo Product Facts.
How Mtn Dew Kickstart Orange Citrus compares
- Strength: 19 mg per 100 ml.
- One 12 fl oz can has as much caffeine as about three quarters of a cup of brewed coffee, which has 94.8 mg per 8 fl oz cup.
How much will be left at bedtime?
1 × 12 fl oz can of Mtn Dew Kickstart Orange Citrus
Left at 11:00 PM (8 h later), average metabolism
≈ 23 mg
Range 11–35 mg (fast to slow metabolism)
To be at 50 mg or less by bedtime, have 69 mg by 7:56 PM (average) or 6:32 PM (slow metabolism).
What sleep studies found near this dose
- Gardiner et al. 2025 (randomized trial): In 23 healthy young men, 100 mg taken 12, 8 or 4 hours before bed had no significant effect on measured or self-rated sleep.
- 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.
Estimate from a simple model: half-life of 3, 5 or 8 hours, 50 mg bedtime target. How we calculate
Caffeine by size
| Serving | Caffeine |
|---|---|
| 12 fl oz can | 69 mg |
| 16 fl oz can | 92 mg |
How long does Mtn Dew Kickstart Orange Citrus 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 12 fl oz can of Mtn Dew Kickstart Orange Citrus (69 mg), about 35 mg is still in your body 5 hours later and about 17 mg after 10 hours. If you clear caffeine slowly (an 8-hour half-life), about 29 mg is left after 10 hours.
Estimated caffeine left at 11:00 PM from one 12 fl oz can (69 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) | ≈ 9 mg | 2–19 mg |
| 12:00 PM (11 h before bed) | ≈ 15 mg | 5–27 mg |
| 3:00 PM (8 h before bed) | ≈ 23 mg | 11–35 mg |
| 6:00 PM (5 h before bed) | ≈ 35 mg | 22–45 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 5 servings.
- Up to 200 mg at one time for healthy adults (EFSA): about 2 servings in one go.
- Up to 200 mg a day in pregnancy (EFSA, NHS): about 2 servings.
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
PepsiCo labels the 16 fl oz can as two 8 fl oz servings of 46 mg each.
Mtn Dew Kickstart Orange Citrus vs other Mountain Dew drinks
- Mountain Dew: Mtn Dew Kickstart Orange Citrus has more caffeine than Mountain Dew per 12 fl oz can: 69 mg vs 54 mg.
- Diet Mountain Dew: Mtn Dew Kickstart Orange Citrus has more caffeine than Diet Mountain Dew per 12 fl oz can: 69 mg vs 54 mg.
Common questions
How much caffeine is in Mtn Dew Kickstart Orange Citrus?
PepsiCo Product Facts gives 69 mg of caffeine per 12 fl oz can. Other sizes are in the table on this page.
How many Mtn Dew Kickstart Orange Citrus 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 69 mg per 12 fl oz can, that is about 5 servings if Mtn Dew Kickstart Orange Citrus is your only source. In pregnancy the reference is 200 mg a day.
How late can I drink Mtn Dew Kickstart Orange Citrus?
With an 11:00 PM bedtime, our model suggests having one serving by about 7:56 PM for average metabolism, or 6:32 PM if you clear caffeine slowly. This is an estimate, not a rule.
Does Mtn Dew Kickstart Orange Citrus have more caffeine than Mountain Dew?
Mtn Dew Kickstart Orange Citrus has more caffeine than Mountain Dew per 12 fl oz can: 69 mg vs 54 mg.
How long does Mtn Dew Kickstart Orange Citrus stay in your system?
Of the 69 mg in one 12 fl oz can, roughly 35 mg remains after 5 hours and 17 mg after 10 hours with our average 5-hour half-life. From fast to slow metabolism, 10 hours later it is between 7 and 29 mg.
Where the number comes from
- Mtn Dew Kickstart Orange Citrus - 12 fl oz. PepsiCo Product Facts. GTIN 00012000183317, nutrition facts: Serving Size 1 can, "Caffeine 69mg" Accessed 2026-10-02. Source ↗
- Mtn Dew Kickstart Orange Citrus - 16 fl oz. PepsiCo Product Facts. GTIN 00012000110443, nutrition facts: per 8 fl oz serving 46 mg; per container 92 mg. 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 ↗
An app for better sleep is on the way
We’re working on a mobile app to help you sleep better. It isn’t out yet. Leave your email and we’ll let you know when it launches.