Head to head
Precision Fuel & Hydration PF 90 Gel vs Science in Sport GO Energy + Caffeine Gel
Both verified against their manufacturer source and scored on the same fueling evidence. Highlighted cells are the stronger number for racing.
| Precision Fuel & Hydration PF 90 Gel | Science in Sport GO Energy + Caffeine Gel | |
|---|---|---|
| RC Science Score | 100 /100 | 73 /100 |
| Carbohydrate | 90 g | 21 g |
| Sodium | 0 mg | 40 mg |
| Caffeine | 0 mg | 75 mg |
| Protein | — | 0 g |
| Glucose:fructose | 2.00 :1 | — |
| Cost per serving | $6.66 | $2.00 |
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.
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
Science in Sport GO Energy + Caffeine Gel
2.9 × GO Energy + Caffeine Gel / hr
61 gcarbs / hr
116 mgsodium / hr
218 mgcaffeine / hr
$23.20for the race
🎒 12 gels of Science in Sport GO Energy + Caffeine Gel
Combo: PF 90 Gel + GO Energy + Caffeine Gel (half each)
0.3 × PF 90 Gel / hr
1.4 × GO Energy + Caffeine Gel / hr
56 gcarbs / hr
56 mgsodium / hr
105 mgcaffeine / hr
$19.20for the race
🎒 2 gels of Precision Fuel & Hydration PF 90 Gel
🎒 6 gels of Science in Sport GO Energy + Caffeine 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.