
Luchos
Energy Blocks
34 g of carbs in a 40 g (1.4 oz) serving, from guava.
- Carbs
- 34 g
- Serving
- 40 g1.4 oz
- Price
- $1.76 a serving
- RC Science Score
- 65out of 100
Luchos Energy Blocks has 34 g of carbs a serving and Voom Pocket Energy Bar has 45 g. Here's how they compare on weight, cost, sodium and the label, and what your race looks like on each.

Luchos
34 g of carbs in a 40 g (1.4 oz) serving, from guava.

Voom
45 g of carbs in a 47 g (1.7 oz) serving, from cane sugar.
numbers from each brand's label, verified by CarbRate
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Luchos Energy Blocks
Voom Pocket Energy Bar
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Longer bar is better for racing on every row. The lit side wins it.
| Energy Blocks | Pocket Energy Bar | |
|---|---|---|
| Carbohydrate | 34 g | 45 g |
| Serving weight | 40 g (1.4 oz) | 47 g (1.7 oz) |
| Calories | 136 | 175.5 |
| Sodium | 16 mg | 0 mg |
| Potassium | not listed | not listed |
| Caffeine | 0 mg | 0 mg |
| Protein | 0 g | 0 g |
| Carbs from | guava | cane sugar |
| Cost per serving | $1.76 | $1.81 |
| RC Science Score | 65 | 92 |
1 of 4 differ: glucose + fructose.
Luchos Energy Blocks
Voom Pocket Energy Bar
Set your carbs an hour and race length. Both options hit the same target.
| Energy Blocks | Pocket Energy Bar | Half each | |
|---|---|---|---|
| Bars an hour | 1.8 | 1.3 | 0.9 + 0.7 |
| Bars for the race | 8 | 6 | 4 + 3 |
| Weight to carry | 320 g 11.3 oz | 282 g 9.9 oz | 301 g 10.6 oz |
| Sodium an hour | 28 mg | 0 mg | 14 mg |
| Cost for the race | $12.42 | $9.65 | $11.04 |
| Half each takes half your carbs from each. | |||
Your own carbs an hour depend on your body and goal time.
Build my free planThree bars that each lead on one thing.

More carbs for the money
Clif Bar Blueberry Almond Crisp Energy Bar43 g of carbs in 68 g (2.4 oz) · $1.51
Lightest to carry
Maurten Solid 16042 g of carbs in 55 g (1.9 oz) · $3.00
Most carbs per serving
OTE Apple and Cinnamon Anytime Energy Bar35.7 g of carbs in 62 g (2.2 oz) · $2.28CarbRate builds your fueling plan from the amount of glycogen you burn, your goal time, your course and the bars you use.