Tweaker energy shot vs 5-hour Energy (regular): which has more caffeine?

Tweaker energy shot has more caffeine than 5-hour Energy (regular) on both counts: 275mg per 2 oz shot against 200mg per 1.93 oz shot, and about 138mg per fluid ounce against 104. The serving sizes differ, so the table below shows both ways of counting.

Tweaker energy shot vs 5-hour Energy (regular): the numbers

Sources: Tweaker energy shot's figure is verified in our Tweaker energy shot 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).

Which one should you pick?

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

• Tweaker energy shot: 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 Tweaker energy shot or 5-hour Energy (regular) have more caffeine? Tweaker energy shot: 275mg per 2 oz shot versus 200mg per 1.93 oz shot for 5-hour Energy (regular).

Which is stronger per ounce? Tweaker energy shot, at about 137.5mg per fluid ounce versus 103.6mg for 5-hour Energy (regular).