Head to head

GU Energy Liquid Energy vs Science in Sport Beta Fuel Gel + Nootropics

Both verified against their manufacturer source and scored on the same fueling evidence. Highlighted cells are the stronger number for racing.

GU Energy Liquid EnergyScience in Sport Beta Fuel Gel + Nootropics
RC Science Score92 /100100 /100
Carbohydrate20 g40 g
Sodium75 mg12 mg
Caffeine0 mg200 mg
Protein0 g
Glucose:fructose1.25 :1
Cost per serving$2.50$4.17
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 Liquid Energy
3 × Liquid Energy / hr
60 gcarbs / hr
225 mgsodium / hr
caffeine / hr
$30.00for the race
🎒 12 gels of GU Energy Liquid Energy
3 gels an hour of Liquid Energy is more than most stomachs take. Move part of the carbs to a drink mix.
Science in Sport Beta Fuel Gel + Nootropics
1.5 × Beta Fuel Gel + Nootropics / hr
60 gcarbs / hr
18 mgsodium / hr
300 mgcaffeine / hr
$25.20for the race
🎒 6 gels of Science in Sport Beta Fuel Gel + Nootropics
Combo: Liquid Energy + Beta Fuel Gel + Nootropics (half each)
1.5 × Liquid Energy / hr
0.8 × Beta Fuel Gel + Nootropics / hr
62 gcarbs / hr
123 mgsodium / hr
160 mgcaffeine / hr
$28.40for the race
🎒 6 gels of GU Energy Liquid Energy
🎒 4 gels of Science in Sport Beta Fuel Gel + Nootropics

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.

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