SIS

Science In Sport 

Since 1992, Science in Sport (SIS) has been the trusted nutrition partner for elite athletes, fueling Olympians, World Record Holders, and World Champions. SIS combines expert guidance with feedback from top athletes to stay at the forefront of performance nutrition innovation.

Committed to safety, every batch of SIS products undergoes rigorous testing and receives the Informed Sport certificate, ensuring the absence of banned substances. Trusted by professional and Olympic athletes worldwide, SIS is the official nutrition partner to elite teams like INEOS Grenadiers, Saracens, and Tottenham Hotspurs, and supports top athletes like Eilish McColgan and Sir Chris Hoy.

We are working on bringing this product online. Stay tuned!