SToK Extra Bold cold brew vs Ghost Energy: which has more caffeine?

Ghost Energy carries more total caffeine per serving (200mg per 16 oz can vs 170mg per 12 oz serving), but ounce for ounce SToK Extra Bold cold brew is actually the stronger drink at about 14mg per fluid ounce against 12. Which one "has more caffeine" depends on whether you measure the container or the concentration.

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 Ghost Energy: the numbers

Sources: SToK Extra Bold cold brew's figure is verified in our SToK Extra Bold cold brew caffeine guide against SToK FAQ (source); Ghost Energy's figure is verified in our Ghost Energy guide against Caffeine Informer (source).

Which one should you pick?

Pick SToK Extra Bold cold brew when you want the lighter dose or a slower ramp, and Ghost Energy 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
• Ghost Energy: the full caffeine guide
• The verified caffeine database

FAQ

Does SToK Extra Bold cold brew or Ghost Energy have more caffeine? Ghost Energy: 200mg per 16 oz can versus 170mg per 12 oz serving for SToK Extra Bold cold brew.

Which is stronger per ounce? SToK Extra Bold cold brew, at about 14.2mg per fluid ounce versus 12.5mg for Ghost Energy.