Barq's root beer vs Mountain Dew Baja Blast: which has more caffeine?

Mountain Dew Baja Blast has more caffeine than Barq's root beer: 59mg vs 22mg in the same 12 oz can. That is a 37mg gap, and since the cans match, the per-serving number is the whole story.

Barq's root beer vs Mountain Dew Baja Blast: the numbers

Sources: Barq's root beer's figure is verified in our Barq's root beer caffeine guide against Coca-Cola brand data (source); Mountain Dew Baja Blast's figure is verified in our Mountain Dew Baja Blast guide against PepsiCo product facts (source).

Which one should you pick?

Pick Barq's root beer when you want the lighter dose or a slower ramp, and Mountain Dew Baja Blast 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

• Barq's root beer: the full caffeine guide
• Mountain Dew Baja Blast: the full caffeine guide
• The verified caffeine database
• Every drink compared: the comparisons index

FAQ

Does Barq's root beer or Mountain Dew Baja Blast have more caffeine? Mountain Dew Baja Blast: 59mg per 12 oz can versus 22mg per 12 oz can for Barq's root beer.

Which is stronger per ounce? Mountain Dew Baja Blast, at about 4.9mg per fluid ounce versus 1.8mg for Barq's root beer.