Monster Nitro vs 5-hour Energy (regular): which has more caffeine?

5-hour Energy (regular) has more caffeine than Monster Nitro on both counts: 200mg per 1.93 oz shot against 160mg per 16 oz can, and about 104mg per fluid ounce against 10. The serving sizes differ, so the table below shows both ways of counting.

Monster Nitro vs 5-hour Energy (regular): the numbers

Sources: Monster Nitro's figure is verified in our Monster Nitro caffeine guide against Caffeine Informer (source); 5-hour Energy (regular)'s figure is verified in our 5-hour Energy (regular) guide against 5-hour Energy facts page (source).

The concentration gap is the striking part: 5-hour Energy (regular) packs roughly 10 times the caffeine per ounce. Sipping speed matters at that density; a 1.93 oz shot finished in minutes hits differently than the same milligrams spread over a slow cup.

Which one should you pick?

Pick Monster Nitro when you want the lighter dose or a slower ramp, and 5-hour Energy (regular) 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

• Monster Nitro: the full caffeine guide
• 5-hour Energy (regular): the full caffeine guide
• The verified caffeine database
• Every drink compared: the comparisons index
• Compare any two of 120+ drinks

FAQ

Does Monster Nitro or 5-hour Energy (regular) have more caffeine? 5-hour Energy (regular): 200mg per 1.93 oz shot versus 160mg per 16 oz can for Monster Nitro.

Which is stronger per ounce? 5-hour Energy (regular), at about 103.6mg per fluid ounce versus 10.0mg for Monster Nitro.