English breakfast tea vs Poppi Classic Cola: which has more caffeine?

English breakfast tea has more caffeine than Poppi Classic Cola on both counts: 47mg per 8 oz cup against 40mg per 12 oz can, and about 6mg per fluid ounce against 3. The serving sizes differ, so the table below shows both ways of counting.

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.

English breakfast tea vs Poppi Classic Cola: the numbers

Sources: English breakfast tea's figure is verified in our English breakfast tea caffeine guide against Twinings published figure (source); Poppi Classic Cola's figure is verified in our Poppi Classic 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 English breakfast tea 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

• English breakfast tea: the full caffeine guide
• Poppi Classic Cola: the full caffeine guide
• The verified caffeine database

FAQ

Does English breakfast tea or Poppi Classic Cola have more caffeine? English breakfast tea: 47mg per 8 oz cup versus 40mg per 12 oz can for Poppi Classic Cola.

Which is stronger per ounce? English breakfast tea, at about 5.9mg per fluid ounce versus 3.3mg for Poppi Classic Cola.