Private Selection canned espresso (Kroger) vs High Brew Double Espresso: which has more caffeine?

Private Selection canned espresso (Kroger) carries more total caffeine per serving (145mg per 15 oz can vs 140mg per 8 oz can), but ounce for ounce High Brew Double Espresso is actually the stronger drink at about 18mg per fluid ounce against 10. Which one "has more caffeine" depends on whether you measure the container or the concentration.

Private Selection canned espresso (Kroger) vs High Brew Double Espresso: the numbers

Sources: Private Selection canned espresso (Kroger)'s figure is verified in our Private Selection canned espresso (Kroger) caffeine guide against Caffeine Informer (source); High Brew Double Espresso's figure is verified in our High Brew Double Espresso guide against Caffeine Informer (source).

Which one should you pick?

Pick High Brew Double Espresso when you want the lighter dose or a slower ramp, and Private Selection canned espresso (Kroger) 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

• Private Selection canned espresso (Kroger): the full caffeine guide
• High Brew Double Espresso: the full caffeine guide
• The verified caffeine database
• Every drink compared: the comparisons index
• Compare any two of 120+ drinks

FAQ

Does Private Selection canned espresso (Kroger) or High Brew Double Espresso have more caffeine? Private Selection canned espresso (Kroger): 145mg per 15 oz can versus 140mg per 8 oz can for High Brew Double Espresso.

Which is stronger per ounce? High Brew Double Espresso, at about 17.5mg per fluid ounce versus 9.7mg for Private Selection canned espresso (Kroger).