SIS Nutrition
SiS, founded in 1992, has a core range comprising gels, powders and bars focused on energy, hydration and endurance. SiS is the official sports nutrition supplier to many professional teams and organisations including INEOS Grenadiers cycling team, Team Ineos UK (America's Cup Team), British Cycling, Cycling Australia, USA Cycling and USA Triathlon. SiS supplies more than 100 professional football clubs in the UK, Europe and USA, and is an official partner to Manchester United Football Club. SiS brand ambassadors include Olympians Sir Chris Hoy MBE, Mark Cavendish MBE and Adam Peaty MBE.
Discover the GO Isotonic Energy Gel – effortless energy during workouts. Tear, squeeze, and go with this world-first gel, delivering 22g of carbs per serving. No water needed, no artificial sweeteners – just pure, powerful fuel for champions.
Designed as a world-leading, whole body energy source, our innovative Beta Fuel Dual Source Energy Gel + Nootropics combines a new ratio of carbohydrate with Cognizin Citicoline to improve both your physical and mental performance
The most scientifically superior energy drink on the market
The most scientifically superior energy drink on the market
This Energy Gel is optimised with a brand new 1:0.8 ratio of 40g carbohydrates to enhance your power output, increase your body's carbohydrate usage efficiency, and limit gastrointestinal discomfort to deliver a scientifically superior fuel
This Energy Gel is optimised with a brand new 1:0.8 ratio of 40g carbohydrates to enhance your power output, increase your body's carbohydrate usage efficiency, and limit gastrointestinal discomfort to deliver a scientifically superior fuel
With great-tasting flavours, our Science in Sport PROTEIN20 bar is a convenient on-the-go option made with a high-quality plant protein blend for athletes looking for an alternative high-protein snack option low in sugar.
With great-tasting flavours, our Science in Sport PROTEIN20 bar is a convenient on-the-go option made with a high-quality plant protein blend for athletes looking for an alternative high-protein snack option low in sugar.
The world's first isotonic energy gel with added electrolytes. Gluten-Free, Wheat-Free, Nut-Free. Consume up to 3 gels per hour when undertaking exercise
Each chew bar contains 46 grams of carbohydrate. Depending on your sport or event, you should aim to consume 1-3 chew bars every hour during exertion to reach an 80g-120g target intake.
Each chew bar contains 46 grams of carbohydrate. Depending on your sport or event, you should aim to consume 1-3 chew bars every hour during exertion to reach an 80g-120g target intake.
No artificial sweeteners
