Java Monster vs Redline Xtreme: which has more caffeine?

Redline Xtreme has more caffeine than Java Monster on both counts: 316mg per 8 oz bottle against 200mg per 15 oz can, and about 40mg per fluid ounce against 13. The serving sizes differ, so the table below shows both ways of counting.

Java Monster vs Redline Xtreme: the numbers

Sources: Java Monster's figure is verified in our Java Monster caffeine guide against Caffeine Informer (source); Redline Xtreme's figure is verified in our Redline Xtreme guide against Caffeine Informer (source).

The concentration gap is the striking part: Redline Xtreme packs roughly 3 times the caffeine per ounce. Sipping speed matters at that density; a 8 oz bottle finished in minutes hits differently than the same milligrams spread over a slow cup.

Which one should you pick?

Pick Java Monster when you want the lighter dose or a slower ramp, and Redline Xtreme 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

• Java Monster: the full caffeine guide
• Redline Xtreme: the full caffeine guide
• The verified caffeine database
• Every drink compared: the comparisons index
• Compare any two of 120+ drinks

FAQ

Does Java Monster or Redline Xtreme have more caffeine? Redline Xtreme: 316mg per 8 oz bottle versus 200mg per 15 oz can for Java Monster.

Which is stronger per ounce? Redline Xtreme, at about 39.5mg per fluid ounce versus 13.3mg for Java Monster.