SCIENCE IN SPORT BETA FUEL ENERGY CHEWS
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PLEASE NOTE: I was gifted the SIS Beta Fuel Energy Chews by Xmiles to give a honest review. This page contains affiliate links. Making a purchase via our affiliate link means I may receive a small share of the sale.
For runners seeking efficient fuelling during long sessions, finding an energy source that balances science, convenience, and taste is paramount.
The SiS Beta Fuel Energy Chews are marketed specifically to answer this need, offering a portable and effective way to sustain energy throughout endurance runs.
WHO IS SiS?
Science in Sport (SiS) is a British sports nutrition company renowned for its evidence based, athlete focused products.
Since its founding, SiS has developed a comprehensive range of nutrition for professional and amateur endurance athletes, consistently prioritising scientific research and product quality in its formulations.
WHAT ARE BETA FUEL ENERGY CHEWS?
The Beta Fuel Energy Chew represents SiS's latest advancement in endurance fuelling. It is a chewy, easy to eat energy bar that is designed to deliver a substantial 46g of carbohydrate per pack in a 1:0.8 maltodextrin to fructose ratio.
This ratio is engineered to maximise carbohydrate absorption and minimise gastrointestinal distress, making these chews suitable for prolonged periods of exertion, particularly runs or efforts exceeding two hours.
Each chew bar can be broken down into blocks, with each block delivering 7.5g of carbohydrate.
WHAT INGREDIENTS DO THEY CONTAIN?
The main ingredients are:
- Sugar
- Water
- Glucose Syrup
- Fructose Syrup
- Gelling Agent (Pectin)
- Natural Flavouring
- Acidity Regulator (Citric Acid)
- Glazing Agents (Coconut Oil, Carnauba Wax)
- Colourants, such as Turmeric Root Powder for some flavours
It is worth noting the product may contain traces of eggs, fish, soya, and milk due to the manufacturing process.
WHO IS IT FOR?
These energy chews are intended for endurance athletes, particularly runners, cyclists, and triathletes engaging in sessions longer than two hours.
They are ideal if you need to maintain a high carbohydrate intake, specifically, 80-120g of carbohydrate per hour during exertion, which is recommended for optimal performance during prolonged activities.
The chews are also vegan and vegetarian friendly and free from gluten, nuts, lactose, and palm oil, making them suitable for a wide range of dietary preferences.
WHAT FLAVOURS ARE AVAILABLE?
Beta Fuel Energy Chews are available in orange and lemon flavours, both designed to offer a "tasty" and refreshing alternative to other fuelling options like gels and drinks.
LEMON
The lemon flavour offers a tangy, citrussy profile, ideal if you prefer sharper tastes mid run.
ORANGE
The orange flavour is sweet without being overpowering, and easy to consume even at pace or during race intensity.
WHAT DOES IT TASTE LIKE?
They reminded me and tasted like the jelly cubes you used as a kid to make jelly with. It brought a touch of nostalgia but tasted great as well.
WHEN TO USE
To use, simply tear open the packet and consume the chew as a bar or break into individual blocks, each providing 7.5g of carbohydrate, according to your energy needs.
SiS recommends 1-3 chew bars per hour, depending on your duration and intensity, aiming for a total carbohydrate intake of 80-120g per hour during runs longer than two hours.
These chews can be consumed alone or alongside other Beta Fuel products such as gels and drinks to meet individual fuelling strategies.
In colder conditions, the need for carbohydrate may increase, so adjust intake accordingly.
SIZES & COST
The energy chew is available individually and in boxes:
- Individual chew costs £2.20
- Box of 6 costs £13.20 (£2.20 per chew)
- Box of 20 costs £39.60 (£1.98 per chew)
WHERE TO BUY
You can buy the SiS Beta Fuel energy chews direct from the Xmiles website using the link below.
| XMILES | From £2.20 to £44 | BUY NOW |
CONCLUSION
The SiS Beta Fuel Energy Chews stand out as a scientifically optimised and convenient option for runners who need sustained energy on long outings.
The combination of smart carbohydrate ratio, clean ingredients, and enjoyable flavours, backed by SiS's reputation, make it a strong choice for endurance athletes seeking reliable and palatable nutrition during demanding efforts.