
Clif
Blok Mountain Berry Energy Chew
24 g of carbs in a 30 g (1.1 oz) serving, from tapioca syrup.
- Carbs
- 24 g
- Serving
- 30 g1.1 oz
- Price
- $1.45 a serving
- RC Science Score
- 73out of 100
Clif Blok Mountain Berry Energy Chew has 24 g of carbs a serving and GU Energy Energy Chews has 22 g. Here's how they compare on weight, cost, sodium and the label, and what your race looks like on each.

Clif
24 g of carbs in a 30 g (1.1 oz) serving, from tapioca syrup.

GU Energy
22 g of carbs in a 30 g (1.1 oz) serving, from tapioca syrup and sugar and maltodextrin.
numbers from each brand's label, verified by CarbRate
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Clif Blok Mountain Berry Energy Chew
GU Energy Energy Chews
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| Blok Mountain Berry Energy Chew | Energy Chews | |
|---|---|---|
| Carbohydrate | 24 g | 22 g |
| Serving weight | 30 g (1.1 oz) | 30 g (1.1 oz) |
| Calories | 100 | 90 |
| Sodium | 50 mg | 40 mg |
| Potassium | not listed | not listed |
| Caffeine | 0 mg | 0 mg |
| Protein | 0 g | 0 g |
| Carbs from | tapioca syrup | tapioca syrup, sugar, maltodextrin |
| Cost per serving | $1.45 | $1.25 |
| RC Science Score | 73 | 92 |
2 of 4 differ: gluten free and glucose + fructose.
Clif Blok Mountain Berry Energy Chew
GU Energy Energy Chews
Set your carbs an hour and race length. Both options hit the same target.
| Blok Mountain Berry Energy Chew | Energy Chews | Half each | |
|---|---|---|---|
| Chews an hour | 2.5 | 2.7 | 1.3 + 1.4 |
| Chews for the race | 10 | 11 | 5 + 6 |
| Weight to carry | 300 g 10.6 oz | 330 g 11.6 oz | 330 g 11.6 oz |
| Sodium an hour | 125 mg | 109 mg | 117 mg |
| Cost for the race | $14.50 | $13.64 | $14.07 |
| Half each takes half your carbs from each. | |||
Your own carbs an hour depend on your body and goal time.
Build my free planThree chews that each lead on one thing.

More carbs for the money
Skratch Labs Sport Energy Chews19 g of carbs in 25 g (0.9 oz) · $1.38
Lightest to carry
Honey Stinger Organic Energy Chews23 g of carbs in 25 g (0.9 oz) · $2.99
Most carbs per serving
Science in Sport Beta Fuel Energy Chews45 g of carbs in 60 g (2.1 oz) · $3.33CarbRate builds your fueling plan from the amount of glycogen you burn, your goal time, your course and the chews you use.