Head to head
Mountain Fuel Mountain Fuel Xtreme Energy Tropical Energy Powder vs Science in Sport Beta Fuel 80 Energy Drink Mix
Both verified against their manufacturer source and scored on the same fueling evidence. Highlighted cells are the stronger number for racing.
| Mountain Fuel Mountain Fuel Xtreme Energy Tropical Energy Powder | Science in Sport Beta Fuel 80 Energy Drink Mix | |
|---|---|---|
| RC Science Score | 68 /100 | 100 /100 |
| Carbohydrate | 39.8 g | 80 g |
| Sodium | 102 mg | 10 mg |
| Caffeine | 0 mg | 0 mg |
| Protein | 5.1 g | 0 g |
| Glucose:fructose | — | 1.25 :1 |
| Cost per serving | $2.35 | $3.49 |
Build the hour
What an hour on each looks like — and the two together
Specs tell you what is in a serving. This tells you how many servings an hour hit your target, what that delivers, what the race costs, and what you would carry. Set your own target from the finder and it follows you here.
Servings per hour to hit the target, what that delivers, and what you would carry.
Mountain Fuel Mountain Fuel Xtreme Energy Tropical Energy Powder
1.5 × Mountain Fuel Xtreme Energy Tropical Energy Powder / hr
60 gcarbs / hr
153 mgsodium / hr
—caffeine / hr
$14.00for the race
🎒 6 servings of mix of Mountain Fuel Mountain Fuel Xtreme Energy Tropical Energy Powder
Science in Sport Beta Fuel 80 Energy Drink Mix
0.8 × Beta Fuel 80 Energy Drink Mix / hr
64 gcarbs / hr
8 mgsodium / hr
—caffeine / hr
$11.20for the race
🎒 4 servings of mix of Science in Sport Beta Fuel 80 Energy Drink Mix
Combo: Mountain Fuel Xtreme Energy Tropical Energy Powder + Beta Fuel 80 Energy Drink Mix (half each)
0.8 × Mountain Fuel Xtreme Energy Tropical Energy Powder / hr
0.4 × Beta Fuel 80 Energy Drink Mix / hr
64 gcarbs / hr
86 mgsodium / hr
—caffeine / hr
$13.20for the race
🎒 4 servings of mix of Mountain Fuel Mountain Fuel Xtreme Energy Tropical Energy Powder
🎒 2 servings of mix of Science in Sport Beta Fuel 80 Energy Drink Mix
Sodium and caffeine show what these products deliver at that rate. Your caffeine dose comes from the caffeine tool, and the drink-mix tool checks a bottle's concentration.
Turn this into a real race plan
CarbRate builds a course-aware, minute-by-minute fueling plan for your exact race, body, and conditions — then guides you through it live on race day.