Starbucks bottled cold brew vs SToK Extra Bold cold brew: which has more caffeine?

Starbucks bottled cold brew has more caffeine than SToK Extra Bold cold brew on both counts: 180mg per 11 oz bottle against 170mg per 12 oz serving, and about 16mg per fluid ounce against 14. The serving sizes differ, so the table below shows both ways of counting.

Starbucks bottled cold brew vs SToK Extra Bold cold brew: the numbers

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

Which one should you pick?

Pick SToK Extra Bold cold brew when you want the lighter dose or a slower ramp, and Starbucks bottled 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

• Starbucks bottled cold brew: the full caffeine guide
• SToK Extra Bold cold brew: the full caffeine guide
• The verified caffeine database
• Every drink compared: the comparisons index
• Compare any two of 120+ drinks

FAQ

Does Starbucks bottled cold brew or SToK Extra Bold cold brew have more caffeine? Starbucks bottled cold brew: 180mg per 11 oz bottle versus 170mg per 12 oz serving for SToK Extra Bold cold brew.

Which is stronger per ounce? Starbucks bottled cold brew, at about 16.4mg per fluid ounce versus 14.2mg for SToK Extra Bold cold brew.