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Science in Sport BetaFuel Energy Bars: Reliable vegan fuelling for endurance training

Science in Sport Beta Fuel Dual Source Energy Chews, Energy Bars, Orange Flavour, 46g of Carbs, 60g Bar (6 Pack)
4.7
[Optimized Glucose Ratio]  1:0.8 glucose-to-fructose mix (46g carbs) boosts power and reduces gastrointestinal discomfort.
[Dual-Source Carbohydrates]  Provides fast and sustained energy through combined glucose and fructose fueling.
[Vegan Friendly]  Plant-based recipe approved for vegans, suitable for ethical and dietary needs.
[Isotonic Convenience]  Single, convenient isotonic format minimizes GI risk and simplifies in-event fueling.
[Athlete-Trusted Performance]  Used and recommended by elite athletes for cycling, running and hiking performance.
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Endurance fuelling bars designed to maintain power and limit gastrointestinal discomfort during long workouts. They give riders and runners the confidence to push further with an easy-to-handle, vegan formula, Science in Sport BetaFuel Energy Bars. Are they the right mid-ride choice for regular endurance athletes who need dependable nutrition?

⚡ At a Glance
  • Energy Delivery: Optimised glucose-to-fructose ratio (1 to 0.8) across 46g carbohydrates to support sustained power and limit gut upset
  • Best for: Endurance athletes — cycling, running and hiking who need steady mid-session carbohydrates
  • Not ideal for: Those following very low-carbohydrate diets or seeking low-calorie snacks

A 60g bar supplies a dual-source carbohydrate mix with a 1:0.8 glucose-to-fructose ratio. Vegan-approved, isotonic formulation aims to reduce gastrointestinal discomfort while fuelling prolonged exercise.


Sustained Power - Thanks to Optimised Glucose-to-Fructose Ratio

A 1 to 0.8 glucose-to-fructose ratio is applied across 46g of carbohydrates to spread carbohydrate uptake and improve utilisation. That balance is designed to reduce overload on a single absorption pathway and support steady energy delivery.

Consistent, usable energy helps maintain intensity during long rides or runs without sudden energy dips.

Easy Mid-Ride Fueling - With Isotonic, Non-Sticky Texture

The formula is described as an isotonic fuelling solution, meaning texture and composition aim to match body fluids and minimise the need for extra fluid. User feedback highlights a non-sticky finish and no messy residue on the hands.

Simple handling and minimal mess make fuelling while moving straightforward and less distracting during training or racing.

Plant-Based Friendly Energy - With Vegan Approval

Labelling confirms Vegan Approval, so ingredients avoid animal-derived components and meet vegan standards. The bars are presented as a plant-based fuelling option for athletes.

Suitable for athletes who follow a vegan diet, offering a convenient alternative to non-vegan fuelling products.

✨ The 4 Key Reasons for Science in Sport BetaFuel Energy Bars
  1. Vegan Approved - Suitable for plant-based athletes and those avoiding animal ingredients
  2. Isotonic Formula - Easy absorption without extra water, ideal during intense exercise
  3. Non-sticky Texture - No messy residue, comfortable handling mid-ride or run
  4. Single 60g Serving - Substantial single serving to replace gels during long sessions
📋 Technical Details at a Glance
  • Category: Energy bars / endurance fuelling
  • Format: 60g bar, 6-pack
  • Flavour: Orange
  • Carbohydrates: 46g per bar
  • Glucose:Fructose Ratio: 1 : 0.8 (dual-source carbohydrate)
❓ Frequently Asked Questions

Q: Are these bars suitable for vegans?

A: Yes. The bars are labelled Vegan Approved, so they meet vegan dietary requirements.

Q: How many carbohydrates are in each bar?

A: Each 60g bar contains 46g of carbohydrates, delivered as a glucose-to-fructose blend with a 1 to 0.8 ratio.

Q: Will they be messy to eat during exercise?

A: User feedback highlights a non-sticky texture and no messy residue on the hands, making them easy to handle mid-ride or during workouts.

🏆 Our Verdict

The Science in Sport BetaFuel Energy Bars suit endurance athletes who need reliable, mid-session carbohydrate to maintain performance. The defining feature is the optimised glucose-to-fructose ratio combined with an isotonic, non-sticky, vegan formula designed to reduce gastrointestinal issues. They represent a sensible long-term fuelling choice for regular endurance training because formulation and convenience support consistent performance.