UCI approved supplements by SiS

SiS has specialized in sport nutrition

Science in Sport is a leading company in endurance sport nutrition based in Nelson, United Kingdom. Sis produces sports supplements for professional athletes and sports enthusiasts for endurance sports such as cycling, running, gym, football and triathlon. SiS is used by the best professional athletes, including olimpyic champions.

SiS is the market leader in sport nutrition

The SiS core product assortment includes: SiS GO, created to provide energy for the best performances, which includes energy powders, isotonic gels, energy bars and shots; SiS REGO, including protein-based recovery powders; SiS Protein, products specifically designed to contribute to athletes’ lean muscle mass growth and maintenance; SiS Supplements, comprising BCAA Perform, Creatine, Beta Alanine and L Glutamine; SiS Athlete Health, vitamins and supplements range designed to support and maintain immune function, digestive health and bone health. Discover the whole range here! If you are looking for something in particular, contact us, so we can order it for you!

Top performance from SiS sport nutrition

Whether you are a professional athelete or an amateur, SiS supplement will help you to reach the top of your game. SiS sport nutrition are used by top cycling team such as Team Ineos, the team which has won more world tours, and the British Cycling Team. Sis sport supplements are used by pro cyclists such as Chris Froome, Egan Bernal, Geraint Thomas and Chris Hoy. Find more info about SiS quality here.

Discover also our bike parts

Whether you are looking for a bicycle handlebar, stem or seatpost for your racing bike, we have for sure what you need. Discover here 3T Cycling, Ritchey or FSA bicycle parts.