OLIPOP Vintage Cola has more caffeine than Poppi Classic Cola: 50mg vs 40mg in the same 12 oz can. That is a 10mg gap, and since the cans match, the per-serving number is the whole story.
Poppi Classic Cola vs OLIPOP Vintage Cola: the numbers
| Poppi Classic Cola | OLIPOP Vintage Cola | |
|---|---|---|
| Caffeine per serving | 40mg per 12 oz can | 50mg per 12 oz can |
| Caffeine per fl oz | 3.3mg | 4.2mg |
| Servings to reach 400mg (FDA context) | 10.0 | 8.0 |
Sources: Poppi Classic Cola's figure is verified in our Poppi Classic Cola caffeine guide against Caffeine Informer (source); OLIPOP Vintage Cola's figure is verified in our OLIPOP Vintage Cola guide against Caffeine Informer (source).
Which one should you pick?
Pick Poppi Classic Cola when you want the lighter dose or a slower ramp, and OLIPOP Vintage Cola when you actually need the bigger hit and know your tolerance. If you are stacking either with other caffeinated drinks through the day, run the math against the 400mg reference rather than guessing.
For context, the FDA cites 400mg of caffeine a day as an amount generally not associated with negative effects in healthy adults. Tolerance and health vary, so treat these numbers as information, not advice.
Related reading
- Poppi Classic Cola: the full caffeine guide
- OLIPOP Vintage Cola: the full caffeine guide
- The verified caffeine database
- Every drink compared: the comparisons index
FAQ
Does Poppi Classic Cola or OLIPOP Vintage Cola have more caffeine? OLIPOP Vintage Cola: 50mg per 12 oz can versus 40mg per 12 oz can for Poppi Classic Cola.
Which is stronger per ounce? OLIPOP Vintage Cola, at about 4.2mg per fluid ounce versus 3.3mg for Poppi Classic Cola.
Comparing caffeine? The caffeine comparison tool puts hundreds of drinks side by side, and the caffeine curfew calculator can check your cutoff time for tonight.