Guayaki Yerba Mate (can) has more caffeine than Yerbae sparkling yerba mate on both counts: 150mg per 15.5 oz can against 100mg per 12 oz can, and about 10mg per fluid ounce against 8. The serving sizes differ, so the table below shows both ways of counting.
Yerbae sparkling yerba mate vs Guayaki Yerba Mate (can): the numbers
| Yerbae sparkling yerba mate | Guayaki Yerba Mate (can) | |
|---|---|---|
| Caffeine per serving | 100mg per 12 oz can | 150mg per 15.5 oz can |
| Caffeine per fl oz | 8.3mg | 9.7mg |
| Servings to reach 400mg (FDA context) | 4.0 | 2.7 |
Sources: Yerbae sparkling yerba mate's figure is verified in our Yerbae sparkling yerba mate caffeine guide against Caffeine Informer (source); Guayaki Yerba Mate (can)'s figure is verified in our Guayaki Yerba Mate (can) guide against Guayaki product page (source).
Which one should you pick?
Pick Yerbae sparkling yerba mate when you want the lighter dose or a slower ramp, and Guayaki Yerba Mate (can) 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
- Yerbae sparkling yerba mate: the full caffeine guide
- Guayaki Yerba Mate (can): the full caffeine guide
- The verified caffeine database
- Every drink compared: the comparisons index
- Compare any two of 120+ drinks
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Gear from this guide
FAQ
Does Yerbae sparkling yerba mate or Guayaki Yerba Mate (can) have more caffeine? Guayaki Yerba Mate (can): 150mg per 15.5 oz can versus 100mg per 12 oz can for Yerbae sparkling yerba mate.
Which is stronger per ounce? Guayaki Yerba Mate (can), at about 9.7mg per fluid ounce versus 8.3mg for Yerbae sparkling yerba mate.
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