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-carb fuelling for long sessions, races and endurance events.
  • Dual-Source Carbohydrate Formula – Uses a 1:0.8 maltodextrin-to-fructose ratio for advanced endurance fuelling.
  • Designed for Long Efforts – Built for exercise lasting over 2 hours.
  • Supports Higher Carb Targets – Can be used to help work towards 80–120g carbohydrate per hour.
  • Easy 600ml Bottle Mix – Mix one 82g sachet with 600ml water, shake well and sip during exercise.
  • Isotonic Formula – Designed to support fuelling while minimising gastrointestinal discomfort.
  • Ideal for Endurance Sport – Suitable for running, cycling, triathlon, sportives, marathons and ultra-distance events.
  • Flexible Pack Options – Available as Single Serve, Pack of 6 or Box of 15.
  • Multiple Flavour Options – Available in Orange, Red Berry, Strawberry & Lime and Mixed.
  • Informed Sport Certified – Tested to provide assurance for athletes.

The SiS BETA Fuel 80 Energy Drink Mix is a high-carbohydrate endurance drink mix designed for athletes who need serious fuelling during long training sessions, races and high-intensity efforts. Built for running, cycling, triathlon, sportives, marathons and ultra-distance events, each serving delivers 80g of carbohydrate to help support sustained energy when performance demands are high.

Using SiS BETA Fuel’s advanced 1:0.8 maltodextrin-to-fructose ratio, this dual-source carbohydrate drink is designed to help athletes take on higher amounts of fuel during exercise. It is especially suited to sessions and events lasting over 2 hours, where maintaining a consistent carbohydrate intake is key to performance and where athletes may be working towards 80–120g of carbohydrate per hour.

Simply mix one 82g sachet with 600ml of water, shake well and sip little and often during prolonged exercise. Available as Single Serve, Pack of 6 or Box of 15, with flavour options including Orange, Red Berry, Strawberry & Lime and Mixed, SiS BETA Fuel 80 Energy Drink Mix is a practical race-day fuelling solution for endurance athletes who want high-carb energy in a convenient bottle mix.

Product Specifications

Product: SiS BETA Fuel 80 Energy Drink Mix
Product Type: Dual-source high-carbohydrate energy drink mix
Format: Single-serve powder sachet
Serving Size: 1 sachet
Sachet Weight: 82g
Calories Per Serving: 320 kcal
Carbohydrate Per Serving: 80g
Sugars Per Serving: 45g
Fat Per Serving: 0g
Protein Per Serving: 0g
Salt Per Serving: 0.01g
Carbohydrate Ratio: 1:0.8 maltodextrin-to-fructose ratio
Formula: Dual-source carbohydrate, isotonic energy drink mix
Mixing Instructions: Mix 1 sachet with 600ml of water and shake well
Suggested Use: Sip little and often during prolonged endurance exercise
Recommended Session Length: Designed for exercise lasting over 2 hours
Carbohydrate Target Guidance: Use 1 sachet per hour or combine with BETA Fuel gels or chews to help reach 80–120g carbohydrate per hour
Primary Use: High-carbohydrate fuelling during endurance training and racing
Best For: Running, cycling, triathlon, sportives, marathons, ultra-distance events and long training sessions
Available Sizes: Single Serve, Pack of 6 and Box of 15
Available Flavours: Orange, Red Berry, Strawberry & Lime and Mixed
Dietary / Certification Notes: Vegan, gluten free and Informed Sport certified
Key Features: 80g carbs per serving, 1:0.8 dual-source carbohydrate ratio, easy 600ml bottle mix, isotonic formula and endurance-focused 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: Orange

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