Kill Cliff Ignite vs Reign Total Body Fuel: which has more caffeine?

Reign Total Body Fuel has more caffeine than Kill Cliff Ignite on both counts: 300mg per 16 oz can against 150mg per 12 oz can, and about 19mg per fluid ounce against 12. The serving sizes differ, so the table below shows both ways of counting.

Kill Cliff Ignite vs Reign Total Body Fuel: the numbers

Sources: Kill Cliff Ignite's figure is verified in our Kill Cliff Ignite caffeine guide against Caffeine Informer (source); Reign Total Body Fuel's figure is verified in our Reign Total Body Fuel guide against Caffeine Informer (source).

Which one should you pick?

Pick Kill Cliff Ignite when you want the lighter dose or a slower ramp, and Reign Total Body Fuel 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

• Kill Cliff Ignite: the full caffeine guide
• Reign Total Body Fuel: the full caffeine guide
• The verified caffeine database
• Every drink compared: the comparisons index
• Compare any two of 120+ drinks

FAQ

Does Kill Cliff Ignite or Reign Total Body Fuel have more caffeine? Reign Total Body Fuel: 300mg per 16 oz can versus 150mg per 12 oz can for Kill Cliff Ignite.

Which is stronger per ounce? Reign Total Body Fuel, at about 18.8mg per fluid ounce versus 12.5mg for Kill Cliff Ignite.