
Science in Sport
GO Electrolyte Drink Mix
37 g of carbs in a 40 g (1.4 oz) serving, from fructose.
- Carbs
- 37 g
- Serving
- 40 g1.4 oz
- Price
- $1.25 a serving
- RC Science Score
- 36out of 100
Science in Sport GO Electrolyte Drink Mix has 37 g of carbs a serving and Skratch Labs Clear Hydration Drink Mix has 1 g. Here's how they compare on weight, cost, sodium and the label, and what your race looks like on each.

Science in Sport
37 g of carbs in a 40 g (1.4 oz) serving, from fructose.

Skratch Labs
1 g of carbs in a 4 g (0.1 oz) serving.
numbers from each brand's label, verified by CarbRate
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Science in Sport GO Electrolyte Drink Mix
Skratch Labs Clear Hydration Drink Mix
Not sure what matters for your race? Find my fuel asks 3 questions and matches you.
Longer bar is better for racing on every row. The lit side wins it.
| GO Electrolyte Drink Mix | Clear Hydration Drink Mix | |
|---|---|---|
| Carbohydrate | 37 g | 1 g |
| Serving weight | 40 g (1.4 oz) | 4 g (0.1 oz) |
| Calories | 146 | 10 |
| Sodium | 194 mg | 400 mg |
| Potassium | 0 mg | 100 mg |
| Caffeine | 0 mg | 0 mg |
| Protein | 0 g | 0 g |
| Carbs from | fructose | not listed |
| Cost per serving | $1.25 | $1.65 |
| RC Science Score | 36 | 100 |
1 of 4 differ: glucose + fructose.
Science in Sport GO Electrolyte Drink Mix
Skratch Labs Clear Hydration Drink Mix
Set your carbs an hour and race length. Both options hit the same target.
| GO Electrolyte Drink Mix | Clear Hydration Drink Mix | Half each | |
|---|---|---|---|
| Electrolytes an hour | 1.6 | 60 | 0.8 + 30 |
| Electrolytes for the race | 7 | 240 | 4 + 120 |
| Weight to carry | 280 g 9.9 oz | 960 g 33.9 oz | 640 g 22.6 oz |
| Sodium an hour | 315 mg | 24000 mg | 12157 mg |
| Cost for the race | $8.11 | $396.00 | $202.05 |
| 60 Clear Hydration Drink Mix an hour is more than most stomachs take. Move part of your carbs into a drink mix. Half each takes half your carbs from each. | |||
Your own carbs an hour depend on your body and goal time.
Build my free planThree electrolytes that each lead on one thing.

More carbs for the money
Tailwind Nutrition Rapid Hydration Drink Mix12 g of carbs in 13 g (0.5 oz) · $1.20
Most carbs per serving
Precision Fuel & Hydration PH 1000 Electrolyte Drink Mix16.5 g of carbs · $1.75CarbRate builds your fueling plan from the amount of glycogen you burn, your goal time, your course and the electrolytes you use.