Science in Sport Beta Fuel Energy Chew
46 g carbs per 1 chew bar (60 g) · 1:0.8 maltodextrin:fructose. Graded for five standard jobs below — the same product fits some jobs and not others.
Job fit
Beta Fuel Energy Chew works when the job is Marathon, 70.3, IRONMAN, Century / gran fondo, Ultra.
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 chew bar (60 g)
- Carbohydrate
- 46 g
- Carb sources (label order)
- sugar, glucose syrup, fructose syrup
- Glucose:fructose
- 1:0.8 maltodextrin:fructose · ~44 % fructose (declared)
- Sodium
- not stated
- Potassium
- not stated
- Caffeine
- not stated
- Protein / fat / fibre
- not stated / not stated / not stated
- Sugar alcohols
- none listed
- Sweeteners
- none listed
- Allergens
- not stated
- Vegan / gluten-free
- not stated / not stated
- Batch-tested
- not stated
- Tonicity
- —
46 g carbohydrate per chew bar at the Beta Fuel 1:0.8 ratio; ingredients: sugar, water, glucose syrup, fructose syrup, pectin, colour (carotenes), citric acid, natural flavouring, corn starch, glazing agent. The maker suggests 1–3 bars an hour for 80–120 g/h.
From the manufacturer's page, checked 2026-09-18 · source. Labels change; read the pack. Not medical advice; not affiliated with the brand.
How many Science in Sport Beta Fuel Energy Chew per hour do I need?
At 46 g carbs per 1 chew bar (60 g): about 1.3 per hour for 60 g/h and 2 per hour for 90 g/h. Use the fuel checker to set your own job.
Is Science in Sport Beta Fuel Energy Chew dual-source (glucose and fructose)?
Yes — 1:0.8 maltodextrin:fructose (declared), about 44 % fructose, which is in the range that absorbs at 90 g/h and beyond.
Does Science in Sport Beta Fuel Energy Chew contain caffeine?
Caffeine is not stated on the source we checked — read the pack.