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.
The sis go energy + caffeine gel 75mg builds on the established science of the sis go isotonic energy gel, the world's first isotonic energy gel
Sis go electrolyte drink powder 500 g tub
A clean, fast, and convenient way to prepare and use your drinks.
This scientifically developed dual-source recovery drink is the ultimate solution for replenishing and repairing your body after intense or sustained exercise.
No artificial sweeteners. Energy bar sis go energy
This single-serving 4.5g sachet is perfect for on-the-go hydration, whether you're training, competing, or just staying active throughout the day.
Soft baked energy bake with a liquid centre from natural concentrate.
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.
SiS Hydro+ is a scientifically formulated electrolyte drink mix that supports hydration and performance
Beta Fuel Dual Source Energy Gel + Nootropics combines a new carbohydrate ratio with Cognizin® Citicoline, enhancing your endurance and cognitive functions
Experience a groundbreaking energy source designed to elevate your physical and mental performance.