Celsius Essentials vs English breakfast tea: which has more caffeine?

Celsius Essentials has more caffeine than English breakfast tea on both counts: 270mg per 16 oz can against 47mg per 8 oz cup, and about 17mg per fluid ounce against 6. 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.

Celsius Essentials vs English breakfast tea: the numbers

Sources: Celsius Essentials's figure is verified in our Celsius Essentials caffeine guide against Celsius essential facts (source); English breakfast tea's figure is verified in our English breakfast tea guide against Twinings published figure (source).

Which one should you pick?

Pick English breakfast tea when you want the lighter dose or a slower ramp, and Celsius Essentials 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

• Celsius Essentials: the full caffeine guide
• English breakfast tea: the full caffeine guide
• The verified caffeine database

FAQ

Does Celsius Essentials or English breakfast tea have more caffeine? Celsius Essentials: 270mg per 16 oz can versus 47mg per 8 oz cup for English breakfast tea.

Which is stronger per ounce? Celsius Essentials, at about 16.9mg per fluid ounce versus 5.9mg for English breakfast tea.