A single black SIS Beta Fuel energy chew bar in orange flavor, shown horizontally against a light gray background.
A single black SIS Beta Fuel energy chew packet in Lemon flavor, displayed horizontally against a light gray background.
Man eating an orange outdoors with a blurred green background
Cyclist wearing a helmet and sunglasses eating an orange snack.
Cyclist eating an energy bar outdoors
A black rectangular box of Sis Beta Fuel energy chews, labeled Orange, shown at a three-quarter angle on a light gray background.
A black rectangular box of SIS Beta Fuel energy chews, lemon flavor, shown at a three-quarter angle on a light gray background.
A display box and individual packet of SIS Nutrition Beta Fuel snack bars on a light gray studio background.
A black display box of SIS Beta Fuel energy chews, showing multiple individual black energy chew packets inside and on the front panel, set against a light gray background.
A single black SIS Beta Fuel energy chew bar in orange flavor, shown horizontally against a light gray background.
A single black SIS Beta Fuel energy chew packet in Lemon flavor, displayed horizontally against a light gray background.
Man eating an orange outdoors with a blurred green background
Cyclist wearing a helmet and sunglasses eating an orange snack.
Cyclist eating an energy bar outdoors
A black rectangular box of Sis Beta Fuel energy chews, labeled Orange, shown at a three-quarter angle on a light gray background.
A black rectangular box of SIS Beta Fuel energy chews, lemon flavor, shown at a three-quarter angle on a light gray background.
A display box and individual packet of SIS Nutrition Beta Fuel snack bars on a light gray studio background.
A black display box of SIS Beta Fuel energy chews, showing multiple individual black energy chew packets inside and on the front panel, set against a light gray background.

SiS

SiS BETA Fuel Energy Chews

£2.50 £1.99 Sale

Chewable endurance fuel with approximately 45g of carbohydrate per pack, offering an alternative to gels and drinks.

Quantity Size: Single Serve
Flavour: Orange
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In stock. Delivery 3-5 Days. Free UK delivery over £50
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Key Benefits
  • High-Carb Fuel — Approximately 45g carbohydrate per 60g pack.
  • Dual-Source Carbohydrates — Developed around a 1:0.8 maltodextrin-to-fructose strategy.
  • Alternative to Gels — A soft chew format to vary your fuelling during long sessions.
  • Easy to Portion — Break into six smaller blocks for more flexible intake.
  • Made for Endurance — Designed for prolonged training and race efforts.

SiS BETA Fuel Energy Chews offer endurance athletes a chewable alternative to gels and energy drinks during long sessions and races. Each 60g pack delivers approximately 45g of carbohydrate in a portable format, giving runners, cyclists and triathletes another way to plan and vary their energy intake while exercising.

Developed as part of the SiS BETA Fuel range, the chews provide a dual-source carbohydrate option for demanding efforts lasting more than two hours. They can be eaten as a single chew bar or separated into smaller pieces to spread intake across a session. Orange and Lemon flavour options make it easier to choose a fuelling format that fits your preferences.
Nutrition & Ingredients

Nutritional information

Serving: 1 pack (60g).

SiS published tables, per 60g pack:

Orange: 808kJ / 190kcal; carbohydrate 46g (sugars 40g); fibre 2.2g; fat 0g; protein 0g; salt 0.11g.

Lemon: 799kJ / 188kcal; carbohydrate 46g (sugars 41g); fibre 2.2g; fat 0g; protein 0g; salt 0.11g.

Ingredients

Manufacturer lists for Orange and Lemon: Sugar, water, glucose syrup, fructose syrup, gelling agent (pectin), flavouring, acidity regulator (citric acid), glazing agents (coconut oil, carnauba wax), turmeric root powder.

Allergen information

SiS advises: May contain eggs, fish, soya and milk. Refer to the product packaging for the latest allergen information.
Suggested Use & Compatibility

Suggested use

Open the 60g pack and eat the chew as a bar or break it into six smaller blocks. SiS's product guidance describes approximately 7.5g carbohydrate per block.

Fuelling compatibility

Use alone or combine with other BETA Fuel products as part of your training-tested endurance fuelling plan. SiS describes hourly carbohydrate targets of 80–120g for demanding long events; build intake progressively and adjust according to your needs and tolerance.
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: Orange

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