
Carbs Fuel
Original Sports Drink Mix
75 g of carbs in a 78 g (2.8 oz) serving, from maltodextrin.
- Carbs
- 75 g
- Serving
- 78 g2.8 oz
- Price
- $2.73 a serving
- RC Science Score
- 55out of 100
Carbs Fuel Original Sports Drink Mix has 75 g of carbs a serving and GU Energy Hydration Drink Tabs has 3 g. Here's how they compare on weight, cost, sodium and the label, and what your race looks like on each.

Carbs Fuel
75 g of carbs in a 78 g (2.8 oz) serving, from maltodextrin.

GU Energy
3 g of carbs a serving, from cane sugar.
numbers from each brand's label, verified by CarbRate
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Carbs Fuel Original Sports Drink Mix
GU Energy Hydration Drink Tabs
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| Original Sports Drink Mix | Hydration Drink Tabs | |
|---|---|---|
| Carbohydrate | 75 g | 3 g |
| Serving weight | 78 g (2.8 oz) | not listed |
| Calories | 300 | 10 |
| Sodium | 500 mg | 320 mg |
| Potassium | not listed | 55 mg |
| Caffeine | 0 mg | 0 mg |
| Protein | 0 g | 0 g |
| Carbs from | maltodextrin | cane sugar |
| Cost per serving | $2.73 | $0.67 |
| RC Science Score | 55 | 100 |
2 of 4 differ: gluten free and glucose + fructose.
Carbs Fuel Original Sports Drink Mix
GU Energy Hydration Drink Tabs
Set your carbs an hour and race length. Both options hit the same target.
| Original Sports Drink Mix | Hydration Drink Tabs | Half each | |
|---|---|---|---|
| Electrolytes an hour | 0.8 | 20 | 0.4 + 10 |
| Electrolytes for the race | 4 | 80 | 2 + 40 |
| Sodium an hour | 400 mg | 6400 mg | 3400 mg |
| Cost for the race | $8.74 | $53.60 | $31.17 |
| 20 Hydration Drink Tabs 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.
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