poppi
How much caffeine is in Poppi?
Sources checked claim by claim by an AI review. Approved for publishing by Oleksii Y. on 2026-10-09.
One 12 fl oz can (Cherry Cola, Classic Cola or Doc Pop) of Poppi has 40 mg of caffeine, according to Center for Science in the Public Interest.
How Poppi compares
- Strength: 11 mg per 100 ml.
- One 12 fl oz can (Cherry Cola, Classic Cola or Doc Pop) has as much caffeine as about half a cup of brewed coffee, which has 94.8 mg per 8 fl oz cup.
- Of the 30 other sodas in our soda chart, 9 have more caffeine per serving and 21 have less.
How much will be left at bedtime?
1 × 12 fl oz can (Cherry Cola, Classic Cola or Doc Pop) of Poppi
Left at 11:00 PM (8 h later), average metabolism
≈ 13 mg
Range 6–20 mg (fast to slow metabolism)
40 mg is already at or under the 50 mg this tool aims to have left at bedtime.
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 (Cherry Cola, Classic Cola or Doc Pop) | 40 mg |
| 12 fl oz can (Alpine Blast) | 55 mg |
| 12 fl oz can (other flavors) | 0 mg |
How long does Poppi 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 (Cherry Cola, Classic Cola or Doc Pop) of Poppi (40 mg), about 20 mg is still in your body 5 hours later and about 10 mg after 10 hours. If you clear caffeine slowly (an 8-hour half-life), about 17 mg is left after 10 hours.
Estimated caffeine left at 11:00 PM from one 12 fl oz can (Cherry Cola, Classic Cola or Doc Pop) (40 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) | ≈ 5 mg | 1–11 mg |
| 12:00 PM (11 h before bed) | ≈ 9 mg | 3–15 mg |
| 3:00 PM (8 h before bed) | ≈ 13 mg | 6–20 mg |
| 6:00 PM (5 h before bed) | ≈ 20 mg | 13–26 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 10 servings.
- Up to 200 mg at one time for healthy adults (EFSA): about 5 servings in one go.
- Up to 200 mg a day in pregnancy (EFSA, NHS): about 5 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
Poppi lists the caffeine in Classic Cola, Cherry Cola, Doc Pop and Alpine Blast as natural caffeine, and CSPI says the other Poppi flavors have none.
Poppi vs other prebiotic soda drinks
- OLIPOP: Poppi has less caffeine than OLIPOP per 12 fl oz can (Cherry Cola, Classic Cola or Doc Pop): 40 mg vs 50 mg.
Common questions
How much caffeine is in Poppi?
Center for Science in the Public Interest gives 40 mg of caffeine per 12 fl oz can (Cherry Cola, Classic Cola or Doc Pop). Other sizes are in the table on this page.
How many Poppi 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 40 mg per 12 fl oz can (Cherry Cola, Classic Cola or Doc Pop), that is about 10 servings if Poppi is your only source. In pregnancy the reference is 200 mg a day.
How late can I drink Poppi?
One serving has about 40 mg, which is at or under the 50 mg our calculator aims to have left at bedtime, so it sets no cutoff for a single serving. Several servings add up.
Does Poppi have more caffeine than OLIPOP?
Poppi has less caffeine than OLIPOP per 12 fl oz can (Cherry Cola, Classic Cola or Doc Pop): 40 mg vs 50 mg.
How long does Poppi stay in your system?
Of the 40 mg in one 12 fl oz can (Cherry Cola, Classic Cola or Doc Pop), roughly 20 mg remains after 5 hours and 10 mg after 10 hours with our average 5-hour half-life. From fast to slow metabolism, 10 hours later it is between 4 and 17 mg.
Where the number comes from
- Caffeine chart. Center for Science in the Public Interest. table "Soft drinks", rows "Poppi—Cherry Cola, Classic Cola, or Doc Pop | 12 oz. | 40" and "Poppi Alpine Blast | 12 oz. | 55" (the 12 oz can size). Accessed 2026-10-09. Source ↗
- Classic Cola. poppi. Product text: "Contains 40mg Natural Caffeine"; nutrition facts "Serving Size 1 can" Accessed 2026-10-09. Source ↗
- Cherry Cola. poppi. Product text: "Contains 40mg Natural Caffeine"; nutrition facts "Serving Size 1 can" Accessed 2026-10-09. Source ↗
- Doc Pop. poppi. Product text: "Contains 40mg Natural Caffeine"; nutrition facts "Serving Size 1 can" Accessed 2026-10-09. Source ↗
- Alpine Blast. poppi. Product text: "Contains 55mg Natural Caffeine"; nutrition facts "Serving Size 1 can" Accessed 2026-10-09. Source ↗
- How much caffeine is in coffee, tea, soda, and other foods? Center for Science in the Public Interest. Section "“Gut healthy” sodas": "Poppi: A 12 oz. can of Alpine Blast has 55 mg of caffeine. A can of Cherry Cola, Classic Cola, or Doc Pop has 40 mg. Other flavors have none." Accessed 2026-10-09. 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.