What About Guayaki Yerba Mate? The popular Guayaki Yerba Mate energy drink contains 150 mg per 16 oz can. This is a pretty standard amount of caffeine to find in an energy drink and is sure to give you the boost you’re after.
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What About Guayaki Yerba Mate? The popular Guayaki Yerba Mate energy drink contains 150 mg per 16 oz can. This is a pretty standard amount of caffeine to find in an energy drink and is sure to give you the boost you’re after.