Alani Nu carries more total caffeine per serving (200mg per 12 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 17. 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.
Alani Nu vs High Brew Double Espresso: the numbers
| Alani Nu | High Brew Double Espresso | |
|---|---|---|
| Caffeine per serving | 200mg per 12 oz can | 140mg per 8 oz can |
| Caffeine per fl oz | 16.7mg | 17.5mg |
| Servings to reach 400mg (FDA context) | 2.0 | 2.9 |
Sources: Alani Nu's figure is verified in our Alani Nu caffeine guide against Alani Nu label (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 Alani Nu 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
- Alani Nu: the full caffeine guide
- High Brew Double Espresso: the full caffeine guide
- The verified caffeine database
FAQ
Does Alani Nu or High Brew Double Espresso have more caffeine? Alani Nu: 200mg per 12 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 16.7mg for Alani Nu.
Comparing caffeine? The caffeine comparison tool puts hundreds of drinks side by side, and the caffeine curfew calculator can check your cutoff time for tonight.