
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 Skratch Labs Sport Energy Chews has 19 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.

Skratch Labs
19 g of carbs in a 25 g (0.9 oz) serving, from sugar and glucose syrup and fruit juice.
numbers from each brand's label, verified by CarbRate
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Clif Blok Mountain Berry Energy Chew
Skratch Labs Sport Energy Chews
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| Blok Mountain Berry Energy Chew | Sport Energy Chews | |
|---|---|---|
| Carbohydrate | 24 g | 19 g |
| Serving weight | 30 g (1.1 oz) | 25 g (0.9 oz) |
| Calories | 100 | 80 |
| Sodium | 50 mg | 40 mg |
| Potassium | not listed | not listed |
| Caffeine | 0 mg | 0 mg |
| Protein | 0 g | 0 g |
| Carbs from | tapioca syrup | sugar, glucose syrup, fruit juice |
| Cost per serving | $1.45 | $1.38 |
| RC Science Score | 73 | 91 |
2 of 4 differ: gluten free and glucose + fructose.
Clif Blok Mountain Berry Energy Chew
Skratch Labs Sport Energy Chews
Set your carbs an hour and race length. Both options hit the same target.
| Blok Mountain Berry Energy Chew | Sport Energy Chews | Half each | |
|---|---|---|---|
| Chews an hour | 2.5 | 3.2 | 1.3 + 1.6 |
| Chews for the race | 10 | 13 | 5 + 7 |
| Weight to carry | 300 g 10.6 oz | 325 g 11.5 oz | 325 g 11.5 oz |
| Sodium an hour | 125 mg | 126 mg | 126 mg |
| Cost for the race | $14.50 | $17.43 | $15.97 |
| 3.2 Sport Energy Chews 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 chews that each lead on one thing.

More carbs for the money
GU Energy Energy Chews22 g of carbs in 30 g (1.1 oz) · $1.25
Lightest to carry
Honey Stinger Organic Energy Chews23 g of carbs in 25 g (0.9 oz) · $2.99
Most carbs per serving
Precision Fuel & Hydration PF 30 Chew30 g of carbs in 34 g (1.2 oz) · $2.87CarbRate builds your fueling plan from the amount of glycogen you burn, your goal time, your course and the chews you use.