Head to head
Precision Fuel & Hydration PF 30 Caffeine Gel vs Science in Sport GO Isotonic Energy 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 30 Caffeine Gel | Science in Sport GO Isotonic Energy Gel | |
|---|---|---|
| RC Science Score | 100 /100 | 73 /100 |
| Carbohydrate | 30 g | 22 g |
| Sodium | 0 mg | 4 mg |
| Caffeine | 100 mg | 0 mg |
| Protein | — | 0 g |
| Glucose:fructose | 2.00 :1 | — |
| Cost per serving | $4.16 | $2.09 |
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 30 Caffeine Gel
2 × PF 30 Caffeine Gel / hr
60 gcarbs / hr
0 mgsodium / hr
200 mgcaffeine / hr
$33.20for the race
🎒 8 gels of Precision Fuel & Hydration PF 30 Caffeine Gel
Science in Sport GO Isotonic Energy Gel
2.7 × GO Isotonic Energy Gel / hr
59 gcarbs / hr
11 mgsodium / hr
—caffeine / hr
$22.40for the race
🎒 11 gels of Science in Sport GO Isotonic Energy Gel
Combo: PF 30 Caffeine Gel + GO Isotonic Energy Gel (half each)
1 × PF 30 Caffeine Gel / hr
1.4 × GO Isotonic Energy Gel / hr
61 gcarbs / hr
6 mgsodium / hr
100 mgcaffeine / hr
$28.40for the race
🎒 4 gels of Precision Fuel & Hydration PF 30 Caffeine Gel
🎒 6 gels of Science in Sport GO Isotonic Energy 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.