SToK Extra Bold cold brew has more caffeine than Poppi Classic Cola: 170mg vs 40mg in the same 12 oz serving. That is a 130mg gap, and since the cans match, the per-serving number is the whole story.
These are different categories of drink, which changes how the caffeine arrives. Energy drinks and sodas list an exact number because caffeine is a measured additive; brewed drinks vary with the beans and the brew, so their figures are compiled averages. The numbers here are the standard published values for each.
SToK Extra Bold cold brew vs Poppi Classic Cola: the numbers
| SToK Extra Bold cold brew | Poppi Classic Cola | |
|---|---|---|
| Caffeine per serving | 170mg per 12 oz serving | 40mg per 12 oz can |
| Caffeine per fl oz | 14.2mg | 3.3mg |
| Servings to reach 400mg (FDA context) | 2.4 | 10.0 |
Sources: SToK Extra Bold cold brew's figure is verified in our SToK Extra Bold cold brew caffeine guide against SToK FAQ (source); Poppi Classic Cola's figure is verified in our Poppi Classic Cola guide against Caffeine Informer (source).
The concentration gap is the striking part: SToK Extra Bold cold brew packs roughly 4 times the caffeine per ounce. Sipping speed matters at that density; a 12 oz serving finished in minutes hits differently than the same milligrams spread over a slow cup.
Which one should you pick?
Pick Poppi Classic Cola when you want the lighter dose or a slower ramp, and SToK Extra Bold cold brew 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
- SToK Extra Bold cold brew: the full caffeine guide
- Poppi Classic Cola: the full caffeine guide
- The verified caffeine database
FAQ
Does SToK Extra Bold cold brew or Poppi Classic Cola have more caffeine? SToK Extra Bold cold brew: 170mg per 12 oz serving versus 40mg per 12 oz can for Poppi Classic Cola.
Which is stronger per ounce? SToK Extra Bold cold brew, at about 14.2mg per fluid ounce versus 3.3mg for Poppi Classic Cola.
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