SIS
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.
This premium recovery drink delivers everything endurance athletes need to bounce back stronger and faster after tough sessions.
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. Energy bar sis go energy
The most scientifically superior energy drink on the market
Go energy bakes offer a convenient and tasty option for on the go snacking, ideally consumed before or during exercise. Easy-to-consume for the athlete allowing for greater carbohydrate uptake. Energy during cycling.
ENERGY OAT BAR A great tasting, high energy snack with slow release energey 40g of carbohydrate per bar and 10g of protein to maintain and build muscle.
The best bottle to use for mixing drinks, a must for Rego Build and Rego Rapid due to the whey proteinThis bottle is specially made for SiS, with handy markings that are a key part of the easy-mix system.
Experience a groundbreaking energy source designed to elevate your physical and mental performance.
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.
Sis go electrolyte drink powder 500 g tub
The REGO Clear Recovery supplement combines 20g of clear whey protein and 21g of carbohydrate and is designed to help you to refuel and repair your body after exercise. With a low sugar formula, just 1.
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.
A clean, fast, and convenient way to prepare and use your drinks.
A clean, fast, and convenient way to prepare and use SiS drinks. This bottle is specially made for SiS, with handy markings that are a key part of the easy-mix system.
The REGO Clear Recovery supplement combines 20g of clear whey protein and 21g of carbohydrate and is designed to help you to refuel and repair your body after exercise. With a low sugar formula, just 1.
Part of an entire world-leading fuelling solution range that includes drinks and chews, our Beta Fuel Dual Source Energy Gel is optimised with a brand new 1:0.
The REGO Whey Protein powder contains 22g of quality whey protein and is designed to help you repair your body after short, less intense bursts of exercise.
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.
Scientifically formulated electrolyte drink mix offering a refreshing twist on hydration. Contributing to your body's electrolytes to support performance during exercise or daily activities.
