SiS


SiS BETA Fuel Gels

£2.20

Built for big efforts — SiS BETA Fuel Gels deliver **40g of dual-source carbs** in a compact gel, helping endurance athletes fuel harder, go longer and stay on top of race-day nutrition.

Quantity Size: Single Serve
Flavour: Neutral (Flavourless)

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Key Benefits

  • 40g Carbohydrate Per Gel – Higher-carb fuelling for longer sessions, races and endurance events.
  • Dual-Source Carbohydrate – Uses a 1:0.8 maltodextrin-to-fructose ratio for efficient energy delivery.
  • Built for Long Efforts – Designed for exercise lasting 2 hours or more.
  • Supports High Carb Targets – Helps athletes work towards 80–120g carbohydrate per hour.
  • Endurance Sport Ready – Ideal for running, cycling, triathlon, sportives, marathons and ultra-distance events.
  • Compact Race-Day Fuel – Easy to carry in pockets, belts, running vests or bike bags.
  • Flexible Pack Options – Available as Single Serve, Pack of 6 and Box of 30.
  • Multiple Flavours – Available in Orange, Strawberry & Lime, Neutral and Mixed options.

The SiS BETA Fuel Gels are high-carbohydrate energy gels designed for endurance athletes who need serious fuel during long training sessions, races and high-intensity efforts. Built for running, cycling, triathlon, ultra-distance events and sportives, each gel delivers a concentrated 40g of carbohydrate to help support energy levels when standard gels may not provide enough fuel.

Using SiS BETA Fuel’s advanced 1:0.8 maltodextrin-to-fructose ratio, these gels are designed to help athletes take on higher carbohydrate amounts more efficiently during exercise. This dual-source carbohydrate formula supports fuelling targets of 80–120g carbohydrates per hour, making BETA Fuel Gels a strong choice for sessions and events lasting over 2 hours where sustained energy, gut comfort and consistent intake matter.

Compact, portable and easy to carry, SiS BETA Fuel Gels are ideal for athletes building a structured race-day nutrition plan. Available as Single Serve, Pack of 6 or Box of 30, with flavour options including Orange, Strawberry & Lime, Neutral and Mixed, they make it easier to match your fuelling to your training, event length and personal taste preferences.

Product Specifications

Product: SiS BETA Fuel Gels
Product Type: High-carbohydrate dual-source energy gel
Format: Single-serve gel sachet
Serving Size: 1 gel
Calories Per Gel: 158 kcal
Carbohydrate Per Gel: 40g
Sugars Per Gel: 19g
Fat: 0g
Protein: 0g
Salt: 0.03g
Carbohydrate Ratio: 1:0.8 maltodextrin-to-fructose ratio
Primary Use: High-carb fuelling during endurance training and racing
Best For: Running, cycling, triathlon, sportives, marathons, ultra-distance events and long training sessions
Recommended Session Length: Designed for exercise lasting over 2 hours
Carbohydrate Target Guidance: Supports fuelling targets of 80–120g carbohydrate per hour
Suggested Use: Consume 1–3 gels per hour depending on intensity, duration and carbohydrate target
Available Sizes: Single Serve, Pack of 6 and Box of 30
Available Flavours: Orange, Strawberry & Lime, Neutral and Mixed
Dietary / Certification Notes: Vegan, gluten free and Informed Sport certified
Key Features: 40g carbs per gel, dual-source carbohydrate, compact sachet format, endurance-focused formula and high-carb race-day fuelling

Why We Choose SiS

We choose SiS - Science in Sport because they create trusted sports nutrition products designed to help athletes fuel, hydrate and recover with confidence. From isotonic energy gels and electrolyte tablets to recovery drinks and advanced endurance fuelling, SiS supports runners, cyclists, triathletes and active individuals before, during and after training and racing.

Science-Led – Developed with a clear focus on sports science, performance nutrition and real-world athlete needs.

Easy to Use – Practical fuelling solutions such as isotonic energy gels that are simple to take during exercise, with no unnecessary complexity.

Endurance Focused – Designed to support sustained energy, hydration and recovery across running, cycling, triathlon and high-intensity training.

Trusted by Athletes – Used by everyday athletes and elite performers who need reliable nutrition when performance matters.

That’s why SiS is part of the North Sports collection — giving you proven sports nutrition to fuel harder sessions, support recovery and perform at your best.

Quantity Size: Single Serve
Flavour: Neutral (Flavourless)

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