Redline Xtreme has more caffeine than Reign Total Body Fuel on both counts: 316mg per 8 oz bottle against 300mg per 16 oz can, and about 40mg per fluid ounce against 19. The serving sizes differ, so the table below shows both ways of counting.
Redline Xtreme vs Reign Total Body Fuel: the numbers
| Redline Xtreme | Reign Total Body Fuel | |
|---|---|---|
| Caffeine per serving | 316mg per 8 oz bottle | 300mg per 16 oz can |
| Caffeine per fl oz | 39.5mg | 18.8mg |
| Servings to reach 400mg (FDA context) | 1.3 | 1.3 |
Sources: Redline Xtreme's figure is verified in our Redline Xtreme 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 Reign Total Body Fuel 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
- Redline Xtreme: 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 Redline Xtreme or Reign Total Body Fuel have more caffeine? Redline Xtreme: 316mg per 8 oz bottle versus 300mg per 16 oz can for Reign Total Body Fuel.
Which is stronger per ounce? Redline Xtreme, at about 39.5mg per fluid ounce versus 18.8mg for Reign Total Body Fuel.
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