Science in Sport (SIS) is the world's leading performance nutrition brand, dedicated to providing athletes with optimal energy, hydration, and recovery solutions. Trusted by elite teams worldwide, SIS combines world-class knowledge and scientific formulations to create evidence-based products that truly impact performance. With a focus on fueling endurance sports, SIS has been the trusted partner of Olympians, World Record Holders, and World Champions since 1992.

They are currently the official sports nutrition partner to professional cycling organizations such as Team INEOS, the German Cycling Federation, and Legion of LA. Additionally, SIS fuels over 150 professional soccer clubs globally and is the Performance Research Partner to the England Football Association. What sets SIS apart is their world-class approach to banned substance testing.

They take pride in preventing banned substances from entering their supply chain and finished products, ensuring athletes can trust the integrity of their nutrition. Every batch produced by SIS receives the respected Informed Sport certificate, visibly displayed on each product. Join the SIS team to access exclusive training tips, 10% off your first order, and the opportunity to earn loyalty points with every purchase.

Trust Science in Sport to fuel your performance journey