Best Science in Sport Carbohydrate Supplements of 2025

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Carbohydrate supplements by Science in Sport are a range of products designed to provide athletes and fitness enthusiasts with an easy and convenient way to fuel their bodies before, during, and after exercise. These supplements come in various forms such as powders, gels, and bars, and are formulated to provide a quick and sustained release of energy. With a variety of flavours to choose from, Science in Sport's carbohydrate supplements are a popular choice for those looking to enhance their athletic performance.
At a Glance: Our Top Picks
Top 10 Science in Sport Carbohydrate Supplements
Science In Sport GO Isotonic Energy Gels Variety Pack
Science In Sport Energy Gels provide a convenient source of energy for your runs. Each 60ml gel contains 22g of easily digestible carbohydrates, ensuring you receive a quick energy boost when you need it most. With less than 1g of sugar per sachet, you can refuel without feeling bloated. The gels are vegan-friendly and gluten-free, making them suitable for various dietary needs. Plus, with added sodium and maltodextrin, these gels help maintain your electrolyte balance during intense exercise.
Science In Sport GO Isotonic Energy Gels, 30 Pack
Science In Sport GO Isotonic Energy Gels are designed to provide you with quick and effective energy replenishment during your runs. Each 60ml sachet contains 22g of carbohydrates, ensuring you have digestible energy exactly when you need it. These gels are scientifically formulated to help sustain your energy levels and delay fatigue, making them ideal for marathons or training sessions. Additionally, they are vegan-friendly and gluten-free, using natural orange flavour, allowing you to enjoy a guilt-free energy boost while you exercise.
Science In Sport GO Isotonic Energy Gels Pack
The Science In Sport Gels are a convenient way to fuel your runs. Each 60ml sachet provides 22g of easily digestible carbohydrates, giving you a quick energy boost during exercise. With less than 1g of sugar per gel, you can replenish your energy without feeling bloated. These vegan-approved gels also contain natural flavours and added sodium, making them a smart choice for maintaining hydration and energy levels. Enjoy a variety pack of flavours to keep your energy routine exciting.
Science in Sport Beta Fuel Orange Energy Gels
The Beta Fuel Orange Gels provide a convenient 60 ml pack of isotonic energy gel, perfect for maintaining your performance during running. With an optimised maltodextrin to fructose ratio, these gels deliver 40 grams of carbohydrates, enhancing your power output and improving your body's carbohydrate efficiency. As a favourite among elite athletes, they are designed to limit gastrointestinal discomfort, ensuring you can fuel up without worry. Simply tear open the pack and squeeze the gel into your mouth anytime you need an energy boost.
Science In Sport GO Isotonic Energy Gels, Blackcurrant Flavour
The Science In Sport Gels are designed to provide a quick energy boost during your runs. Each 60ml gel contains 22g of carbohydrates, ensuring you receive an easily digestible source of energy when you need it most. With less than 1g of sugar per sachet, you can replace your energy efficiently without feeling bloated. Plus, being vegan-approved and gluten-free, these gels cater to a wide range of dietary needs, making them a convenient choice for all runners.
Science in Sport Go Isotonic Energy Gel with Caffeine
The SiS Go Energy Gel offers superior sports nutrition to help you train harder, race faster, and recover more quickly. With its award-winning gel technology, it delivers fast energy along with a caffeine boost, making it easy for you to stay energised during your workout. This flavoured carbohydrate gel contains beneficial ingredients like anthocyanins and added sweetener, enhancing both taste and performance. You can consume up to three sachets every hour while exercising without needing water, providing you with ultimate convenience.
Science In Sport GO Isotonic Energy Gels
Science In Sport GO Isotonic Energy Gels offer a delicious fruit salad flavour and provide 22g of carbohydrates per 60ml sachet, ensuring a quick energy boost during your runs. With less than 1g of sugar, you can enjoy these gels without the bloating often associated with high-sugar products. They are also vegan-approved and gluten-free, making them suitable for various diets. Each serving contains added sodium and maltodextrin, enhancing your performance and recovery during intense exercise.
Science In Sport Variety Isotonic Gels Pack
The Science In Sport Gels provide 22 grams of carbohydrate per gel, making them an excellent source of quick energy. Their isotonic formulation ensures that you can refuel efficiently during exercise, helping you maintain your performance. The convenient gel format allows for easy consumption on the go, so you can focus on your workout without interruptions. With seven mixed flavours, including Apple and Tropical, you'll enjoy a tasty boost whenever you need it.
Science in Sport BetaFuel Apple Energy Gels
Science in Sport's BetaFuel Energy Gels offer a convenient and effective way to fuel your workouts. With a delicious apple flavour, each 60 ml pack provides 40g of carbohydrates, optimised for better energy utilisation and reduced gastrointestinal discomfort. This means you can maintain performance without the worry of stomach issues. Designed for runners, these isotonic gels are easy to use on the go; simply tear the top and squeeze into your mouth whenever you need a boost of energy.
Science in Sport Beta Fuel Energy Drink Powder
The Beta Fuel Energy Drink is a convenient isotonic carbohydrate supplement that delivers a delicious strawberry and lime flavour. It features an optimised maltodextrin to fructose ratio, designed to enhance your power output and improve your body's carbohydrate usage. This means you can maintain your energy levels during intense activities while minimising the risk of gastrointestinal discomfort. With its mix-and-go formula, simply add water to enjoy a refreshing energy drink that supports your performance needs, whether you're a casual runner or an elite athlete.
During our Science in Sport carbohydrate supplement research, we found 17 Science in Sport carbohydrate supplement products and shortlisted 10 quality products. We collected and analyzed 86,585 customer reviews through our big data system to write the Science in Sport carbohydrate supplements list. We found that most customers choose Science in Sport carbohydrate supplements with an average price of £14.14.
The Science in Sport carbohydrate supplements are available for purchase. The top 10 picks range in price from a low of £7.00 to a high of £42.00, find the one that fits your budget.

In 2000, Phoebe Cooper graduated from the University of London as a Pharmacist. She practiced as a Pharmacist for the better part of 2 decades. Phoebe says she has worked in the majority of health sectors and has sufficient accumulated knowledge and experience. In her practice, Phoebe published a series of eBooks, one of which is titled "Good Health Good Living."