Water Joe (caffeinated water) vs yerba mate: which has more caffeine?

yerba mate has more caffeine than Water Joe (caffeinated water) on both counts: 85mg per 8 oz cup against 70mg per 16.9 oz bottle, and about 11mg per fluid ounce against 4. The serving sizes differ, so the table below shows both ways of counting.

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.

Water Joe (caffeinated water) vs yerba mate: the numbers

Sources: Water Joe (caffeinated water)'s figure is verified in our Water Joe (caffeinated water) caffeine guide against Water Joe / Caffeine Informer (source); yerba mate's figure is verified in our yerba mate guide against Caffeine Informer / compiled (source).

Which one should you pick?

Pick Water Joe (caffeinated water) when you want the lighter dose or a slower ramp, and yerba mate 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

• Water Joe (caffeinated water): the full caffeine guide
• yerba mate: the full caffeine guide
• The verified caffeine database
• Every drink compared: the comparisons index
• Compare any two of 120+ drinks

FAQ

Does Water Joe (caffeinated water) or yerba mate have more caffeine? yerba mate: 85mg per 8 oz cup versus 70mg per 16.9 oz bottle for Water Joe (caffeinated water).

Which is stronger per ounce? yerba mate, at about 10.6mg per fluid ounce versus 4.1mg for Water Joe (caffeinated water).