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.
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.
18 x servings of SiS's renowned protein recovery powder.
Single serving of SiS's renowned protein recovery powder.
SIS 500G Refuel after those hard days in the saddle.
REGO helps you recover rapidly and ready for your next tough training session.
A clean, fast, and convenient way to prepare and use your drinks.