SiS


SIS BETA Fuel 80 Energy Drink Mix

£3.00 £2.40 Sale

Your bottle, fully loaded — SiS BETA Fuel 80 delivers 80g of dual-source carbs in one drink mix, using a 1:0.8 ratio to help you fuel long sessions, races and high-output endurance efforts with less faff.

Quantity Size: Single Serve
Flavour: Orange
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Key Benefits
  • 80g Carbohydrate Per Serving – High-carbohydrate fuelling for demanding endurance sessions.
  • Advanced Dual-Carb Formula – A 1:0.8 maltodextrin-to-fructose ratio supports higher carbohydrate intake.
  • Built for Endurance – Designed for prolonged training sessions and races lasting over two hours.
  • Convenient Drink Format – An easy-to-consume alternative to relying solely on energy gels and chews.
  • Informed Sport Certified – Tested for banned substances to provide additional assurance for athletes.

The SiS BETA Fuel 80 Energy Drink Mix is a high-carbohydrate sports drink designed to support endurance performance during long training sessions and races. Delivering 80g of carbohydrate per serving, it provides a convenient fuelling solution for runners, cyclists and triathletes tackling demanding efforts lasting over two hours.

Formulated with a scientifically developed 1:0.8 ratio of maltodextrin to fructose, this dual-source carbohydrate drink helps athletes meet higher fuelling demands during prolonged exercise. Its isotonic formula mixes easily with water, offering a practical alternative to relying solely on energy gels or chews. Ideal for marathons, long-distance cycling, triathlons and endurance events, SiS BETA Fuel 80 helps you maintain a consistent carbohydrate intake when it matters most.

Nutrition & Ingredients

Nutritional Information

Serving Size: 1 sachet (82g)

Typical values per 100g / per 82g sachet

  • Energy – Orange: 1637kJ / 385kcal · 1343kJ / 315kcal
  • Energy – Red Berry & Strawberry & Lime: 1650kJ / 388kcal · 1353kJ / 318kcal
  • Fat: 0g / 0g
  • Of which saturates: 0g / 0g
  • Carbohydrate: 98g / 80g
  • Of which sugars: 42g / 35g
  • Protein: 0g / 0g
  • Salt: 0g / 0g

Ingredients

Orange: Maltodextrin (57%), fructose (42%), flavourings.

Red Berry: Maltodextrin (56%), fructose (42%), flavourings.

Strawberry & Lime: Maltodextrin (57%), fructose (42%), flavourings.

Allergen Information

Produced in a facility that also handles milk.

For mixed packs, refer to the individual sachets for flavour-specific ingredients and allergen information.

Suggested Use & Compatibility

Suggested Use

Mix one 82g sachet with 600ml of water and shake until fully dissolved. Sip regularly during prolonged endurance training or racing. Each sachet provides 80g of carbohydrate.

Fuelling Compatibility

Use one sachet per hour or combine with SiS BETA Fuel Energy Gels or Chews to support a planned carbohydrate intake of 80–120g per hour, depending on your individual needs and tolerance.

Practise your fuelling strategy during training before using it on race day.

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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