Head to head
GU Energy Roctane Energy Gel (Caffeinated) vs Science in Sport Beta Fuel Gel
Both verified against their manufacturer source and scored on the same fueling evidence. Highlighted cells are the stronger number for racing.
| GU Energy Roctane Energy Gel (Caffeinated) | Science in Sport Beta Fuel Gel | |
|---|---|---|
| RC Science Score | 92 /100 | 100 /100 |
| Carbohydrate | 21 g | 40 g |
| Sodium | 125 mg | 30 mg |
| Caffeine | 35 mg | 0 mg |
| Protein | 0 g | 0 g |
| Glucose:fructose | — | 1.25 :1 |
| Cost per serving | $3.00 | $2.75 |
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.
GU Energy Roctane Energy Gel (Caffeinated)
2.9 × Roctane Energy Gel (Caffeinated) / hr
61 gcarbs / hr
363 mgsodium / hr
102 mgcaffeine / hr
$34.80for the race
🎒 12 gels of GU Energy Roctane Energy Gel (Caffeinated)
Science in Sport Beta Fuel Gel
1.5 × Beta Fuel Gel / hr
60 gcarbs / hr
45 mgsodium / hr
—caffeine / hr
$16.40for the race
🎒 6 gels of Science in Sport Beta Fuel Gel
Combo: Roctane Energy Gel (Caffeinated) + Beta Fuel Gel (half each)
1.4 × Roctane Energy Gel (Caffeinated) / hr
0.8 × Beta Fuel Gel / hr
61 gcarbs / hr
199 mgsodium / hr
49 mgcaffeine / hr
$25.60for the race
🎒 6 gels of GU Energy Roctane Energy Gel (Caffeinated)
🎒 4 gels of Science in Sport Beta Fuel Gel
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.