Caribou canned cold brew vs Starbucks canned Nitro (Black): which has more caffeine?

Caribou canned cold brew carries more total caffeine per serving (177mg per 11.5 oz can vs 155mg per 9.6 oz can), but ounce for ounce Starbucks canned Nitro (Black) is actually the stronger drink at about 16mg per fluid ounce against 15. Which one "has more caffeine" depends on whether you measure the container or the concentration.

Caribou canned cold brew vs Starbucks canned Nitro (Black): the numbers

Sources: Caribou canned cold brew's figure is verified in our Caribou canned cold brew caffeine guide against Caffeine Informer (source); Starbucks canned Nitro (Black)'s figure is verified in our Starbucks canned Nitro (Black) guide against PepsiCo product facts (source).

Which one should you pick?

Pick Starbucks canned Nitro (Black) when you want the lighter dose or a slower ramp, and Caribou canned 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

• Caribou canned cold brew: the full caffeine guide
• Starbucks canned Nitro (Black): the full caffeine guide
• The verified caffeine database
• Every drink compared: the comparisons index
• Compare any two of 120+ drinks

FAQ

Does Caribou canned cold brew or Starbucks canned Nitro (Black) have more caffeine? Caribou canned cold brew: 177mg per 11.5 oz can versus 155mg per 9.6 oz can for Starbucks canned Nitro (Black).

Which is stronger per ounce? Starbucks canned Nitro (Black), at about 16.1mg per fluid ounce versus 15.4mg for Caribou canned cold brew.