
GU Energy
Hydration Drink Tabs
3 g of carbs a serving, from cane sugar.
- Carbs
- 3 g
- Price
- $0.67 a serving
- RC Science Score
- 100out of 100
GU Energy Hydration Drink Tabs has 3 g of carbs a serving and NEVERSECOND S200 Sodium Booster has 0 g. Here's how they compare on weight, cost, sodium and the label, and what your race looks like on each.

GU Energy
3 g of carbs a serving, from cane sugar.

NEVERSECOND
0 g of carbs a serving.
numbers from each brand's label, verified by CarbRate
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GU Energy Hydration Drink Tabs
NEVERSECOND S200 Sodium Booster
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.
| Hydration Drink Tabs | S200 Sodium Booster | |
|---|---|---|
| Carbohydrate | 3 g | 0 g |
| Serving weight | not listed | not listed |
| Calories | 10 | 0 |
| Sodium | 320 mg | 200 mg |
| Potassium | 55 mg | not listed |
| Caffeine | 0 mg | 0 mg |
| Protein | 0 g | 0 g |
| Carbs from | cane sugar | not listed |
| Cost per serving | $0.67 | $0.80 |
| RC Science Score | 100 | 62 |
2 of 4 differ: gluten free and glucose + fructose.
GU Energy Hydration Drink Tabs
NEVERSECOND S200 Sodium Booster
Set your carbs an hour and race length. Both options hit the same target.
| Hydration Drink Tabs | S200 Sodium Booster | Half each | |
|---|---|---|---|
| Electrolytes an hour | 20 | Infinity | 10 + Infinity |
| Electrolytes for the race | 80 | Infinity | 40 + Infinity |
| Sodium an hour | 6400 mg | Infinity mg | Infinity mg |
| Cost for the race | $53.60 | $Infinity | $Infinity |
| 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.
Build my free planThree electrolytes that each lead on one thing.

More carbs for the money
LMNT Recharge Electrolyte Drink Mix1 g of carbs in 6 g (0.2 oz) · $1.50
Lightest to carry
Skratch Labs Clear Hydration Drink Mix1 g of carbs in 4 g (0.1 oz) · $1.65CarbRate builds your fueling plan from the amount of glycogen you burn, your goal time, your course and the electrolytes you use.