Search
  • Compare Products
My Cart
 
main product photo

Beta Fuel 80

A dual-source energy drink engineered for endurance athletes who push the limits.
Learn More
HOW DO SUBSCRIPTIONS WORK?

1. Sign in or create an account to add your subscription to your basket

2. Choose your frequency 

3. Place order

4. Manage your subscription from your account

From $57.99

Member $55.09
Elite membership included with a subscription

- +
or Create account to add a subscription

Shipping $5.99 on orders up to $49.99. Free shipping on $50+ orders.
Alaska & Hawaii excluded from shipping.

INGREDIENTS

Nutritional Information

100% APPROVED

Informed Sport

Nutritional Information

All Science in Sport products are certified under the strict guidelines of the INFORMED Sport Programme. To achieve this, an independent organization (LGC Assure) with an accredited, independent laboratory that’s been testing for banned substances for over 20 years, rigorously tests our products to detect all compounds on the World Anti-doping Association Banned Substances list.

Informed Sport

Providing assurance for athletes, All INFORMED Sport certified Science in Sport products are rigorously tested, screening for all compounds on the WADA Banned Substances list.

How It's Tested

1. Product Review

2. Lab Tests (3+)

3. Batch Tests

4. Random Tests

Supplement Testing Labs

Driven by innovation and excellence, INFORMED Sport is the leading independent supplement testing provider, specialising in drug surveillance, doping control and supplement analysis.

Next Working Day Delivery Information:

Weekdays: Orders placed before 6:30pm will be delivered the next day - including on Saturdays.
Weekends: Orders placed before 1pm will be delivered the next day - including Sundays.
Bank Holidays: Orders will not be delivered on Bank Holidays. Any orders placed on a Bank Holiday will not be collected from our warehouse until the next non-holiday day, for delivery the following day.

Please note that Next Day Delivery excludes these postcodes: AB31-56, BF (all), BT (all), FK17-21, GY (all), HS (all), IM (all), IV (all), KA (all), KW (all), PA20-80, PH (all), TR21-25, ZE (all)

Please see specific promotion Terms & Conditions for details BFPO Addresses We do ship to BFPO addresses (with Royal Mail) but for active combat zones there is a strict 2kg weight limit (as with all deliveries to BFPO addresses), so please take this into account when ordering. As a guide, with careful packaging we can just get away with a 1.6kg tub. All orders under this weight limit will be treated as standard UK orders. All orders over this weight will be priced incrementally according to their weight (£5 per 2kg increase). If you have any queries regarding a BFPO address, please contact our Customer Service Team who will be happy to assist with your order.

THE NEXT LEVEL OF ATHLETE NUTRITION

BETA Fuel is the most complete fueling system in endurance sports. BETA Fuel 80 is a dual-source, high-carbohydrate energy mix designed to power longer sessions with maximum efficiency. When mixed with water, it delivers fast and sustained energy for athletes training or competing beyond two hours.

TAKE FUEL FURTHER

Delivers 80g of dual-source carbohydrates per sachet

OPTIMISE CARBOHYDRATE RATIO

Advanced 1:0.8 ratio of maltodextrin to fructose for efficient absorption.

GO LONGER, STAY STRONGER

Built to fuel endurance sessions that last 2 hours or more.

EASY TO DIGEST

Formulated to reduce GI discomfort during carbohydrate loading or extended loading sessions.

  1. Vitamin B1 & B2 contribute to carbohydrate conversion
  2. Vitamin B6 aids protein metabolism.
A track runner out of breath, bending over with a SiS Water Bottle in their handA track runner out of breath, bending over with a SiS Water Bottle in their hand

THE PERFECT ADDITION TO YOUR FUELING STRATEGY

This high-carbohydrate energy powder mix is designed to deliver more fuel for the long haul. Each serving provides 80g of carbohydrates in the optimal 1:0.8 maltodextrin-to-fructose ratio, maximizing energy absorption while minimizing stomach distress.

Easily dissolved in water to form an isotonic solution, BETA Fuel 80 helps sustain performance with smooth, consistent energy you can rely on mile after mile.

WHY ELITES CHOOSE BETA FUEL 80

  • Designed specifically for endurance fueling and long-duration performance.
  • 80g of dual-source carbohydrates per serving with optimal 1:0.8 absorption ratio.
  • Isotonic, neutral pH formula to minimize GI discomfort.
Graph showing the benefits of BETA Fuel 80 on CO2 expenditureGraph showing the benefits of BETA Fuel 80 on CO2 expenditure
Boston Marathon runner pouring BETA Fuel 80 into their SiS Water BottleBoston Marathon runner pouring BETA Fuel 80 into their SiS Water Bottle

SUGGESTED USE

Each BETA Fuel 80 sachet contains one full serving (82g). Mix the powder with 20 oz (600 ml) of water and shake until fully dissolved. Drink steadily throughout long training sessions or races.

Use one sachet per hour or combine with BETA Fuel Gels or Chew Bars to reach the recommended 80–120g of carbohydrates per hour for endurance performance.

ENGINEERED FOR ENERGY

Developed with world-class endurance athletes, BETA Fuel 80 meets the body’s demand for higher carbohydrate intake during long-duration exercise.

Its dual-source 1:0.8 ratio of maltodextrin and fructose enhances carbohydrate oxidation and absorption efficiency, enabling athletes to use more energy per hour with less risk of digestive discomfort.

This precise formulation makes BETA Fuel 80 a cornerstone of the most advanced, science-backed fueling system in endurance sport.

 

THE ENERGY YOU NEED

Endurance sports lasting 2 hours or more demand 90–120g of carbohydrates per hour to sustain peak performance.

Learn more

THE FUEL YOU NEED

The longer the race, the smarter the fueling. Taking in 90–120g of carbs per hour keeps your energy and focus strong from start to finish. BETA Fuel 80 delivers 80g of optimized carbohydrates per serving, combining fast-absorbing maltodextrin for immediate muscular energy and slower-metabolizing fructose for sustained release. 

OPTIMIZED DUAL-SOURCE FORMULA

Allows better and more efficient carbohydrate oxidation: the conversion of carbs into usable energy.

Learn more

OPTIMIZED DUAL-SOURCE FORMULA

During a 3-hour cycling test, fueling with Beta Fuel 80 at 120g/hour achieved peak carbohydrate oxidation of 1.58g/minute, with 72% efficiency—making it one of the most scientifically validated fueling systems for endurance sports.

Nutrition Overview Science