Head to head
GU Energy Original Energy Gel (Caffeinated) vs Precision Fuel & Hydration PF 90 Gel
Both verified against their manufacturer source and scored on the same fueling evidence. Highlighted cells are the stronger number for racing.
| GU Energy Original Energy Gel (Caffeinated) | Precision Fuel & Hydration PF 90 Gel | |
|---|---|---|
| RC Science Score | 92 /100 | 100 /100 |
| Carbohydrate | 22 g | 90 g |
| Sodium | 60 mg | 0 mg |
| Caffeine | 20 mg | 0 mg |
| Protein | 0 g | — |
| Glucose:fructose | — | 2.00 :1 |
| Cost per serving | $2.00 | $6.66 |
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 Original Energy Gel (Caffeinated)
2.7 × Original Energy Gel (Caffeinated) / hr
59 gcarbs / hr
162 mgsodium / hr
54 mgcaffeine / hr
$21.60for the race
🎒 11 gels of GU Energy Original Energy Gel (Caffeinated)
Precision Fuel & Hydration PF 90 Gel
0.7 × PF 90 Gel / hr
63 gcarbs / hr
0 mgsodium / hr
—caffeine / hr
$18.80for the race
🎒 3 gels of Precision Fuel & Hydration PF 90 Gel
Combo: Original Energy Gel (Caffeinated) + PF 90 Gel (half each)
1.4 × Original Energy Gel (Caffeinated) / hr
0.3 × PF 90 Gel / hr
58 gcarbs / hr
84 mgsodium / hr
28 mgcaffeine / hr
$19.20for the race
🎒 6 gels of GU Energy Original Energy Gel (Caffeinated)
🎒 2 gels of Precision Fuel & Hydration PF 90 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.