GU Energy Energy Chews

24 g carbs per 1 serving (8 chews). Graded for five standard jobs below — the same product fits some jobs and not others.

caffeine-freevegangluten-freebatch-tested (informed-choice)
Check it for your own job →

Job fit

Energy Chews works when the job is Marathon, 70.3, IRONMAN, Century / gran fondo, Ultra.

Marathon
3.5 h · race · target 80 g/h → 3.3/h
B
≈ dual-source · ratio not declared✓ gut-friendly≈ 3.3/h · a lot to carry running✓ caffeine-freeℹ 18 % of your sodium · add salt
70.3
5.5 h · race · target 90 g/h → 3.8/h
B
≈ dual-source · ratio not declared✓ gut-friendly✓ 3.8/h · easy to carry✓ caffeine-freeℹ 20 % of your sodium · add salt
IRONMAN
12 h · race · target 90 g/h → 3.8/h
B
≈ dual-source · ratio not declared✓ gut-friendly✓ 3.8/h · easy to carry✓ caffeine-freeℹ 20 % of your sodium · add salt
Century / gran fondo
5 h · steady · target 80 g/h → 3.3/h
B
≈ dual-source · ratio not declared✓ gut-friendly✓ 3.3/h · easy to carry✓ caffeine-freeℹ 18 % of your sodium · add salt
Ultra
10 h · steady · target 80 g/h → 3.3/h
B
≈ dual-source · ratio not declared✓ gut-friendly≈ 3.3/h · a lot to carry running✓ caffeine-freeℹ 18 % of your sodium · add salt

Grades: A–E from absorption (35 %), gut (30 %), practicality (15 %), caffeine (10 %) and your preferences (10 %); a ✗ on absorption or gut caps at C. Sodium and tonicity are shown as ℹ and never change the grade.

What is in it

Label facts, not a score. Apply your own preferences in the checker.

Format
Chews
Unit
1 serving (8 chews)
Carbohydrate
24 g
Carb sources (label order)
tapioca syrup, cane sugar, maltodextrin
Glucose:fructose
not declared (label order is not a proportion)
Sodium
40 mg
Potassium
not stated
Caffeine
0 mg (varies: most flavours 0 · Strawberry 20 mg)
Protein / fat / fibre
0 g / 0 g / 0 g
Sugar alcohols
none listed
Sweeteners
none listed
Allergens
not stated
Vegan / gluten-free
vegan / gluten-free
Batch-tested
informed choice
Tonicity
—

100 kcal, 24 g carbohydrate (11 g sugars), 40 mg sodium, 420 mg amino acids per 8-chew serving; two servings per sleeve. Ingredients: tapioca syrup, cane sugar, maltodextrin, water, pectin, citric acid, flavours, sunflower oil, sodium citrate, sea salt, colours, potassium citrate, carnauba wax. Label as reproduced by the retailer.

From a retailer's reproduction of the label, checked 2026-09-18 · source. Labels change; read the pack. Not medical advice; not affiliated with the brand.

How many GU Energy Energy Chews per hour do I need?

At 24 g carbs per 1 serving (8 chews): about 2.5 per hour for 60 g/h and 3.8 per hour for 90 g/h. Use the fuel checker to set your own job.

Is GU Energy Energy Chews dual-source (glucose and fructose)?

The label lists tapioca syrup, cane sugar, maltodextrin and no ratio is declared, so the checker treats it as "ratio not declared" (≈) above 60 g/h — never as a fail.

Does GU Energy Energy Chews contain caffeine?

No, this version is caffeine-free. Variants: most flavours 0 · Strawberry 20 mg.

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