SiS

Science in Sport (SiS) – Fuel Your Ride with Proven Nutrition

Power your performance with Science in Sport, the trusted sports nutrition brand designed for cyclists and endurance athletes. Our SiS collection includes energy gels, hydration tablets, protein powders, and recovery supplements — everything you need to train harder, recover faster, and perform at your best.

Backed by science and used by elite athletes worldwide, SiS products deliver fast‑absorbing energy, essential electrolytes, and optimal recovery support. Whether you’re tackling long rides, intense training sessions, or race day, SiS keeps you fuelled every step of the way.

Shop our Science in Sport range today and take your cycling performance to the next level.