Science In Sport

Science in Sport (SiS) is a global leader in endurance and sports nutrition, developing scientifically advanced fueling solutions trusted by elite athletes and teams worldwide. Founded in 1992, the brand has built its reputation on research-driven performance products designed to support energy, hydration, recovery, and sustained endurance during training and competition.

Every Science in Sport formula is developed alongside leading researchers and tested with professional athletes across cycling, triathlon, football, and endurance sports. With partnerships spanning top universities and more than 300 elite teams, SiS products are engineered to deliver reliable energy and measurable performance benefits when it matters most.

All Science in Sport supplements are Informed Sport certified and independently tested against the World Anti-Doping Agency (WADA) banned substance list, ensuring the highest standards of safety, purity, and quality. The result is a trusted range of gels, powders, and recovery products that help athletes at every level fuel smarter, ride farther, and perform at their best.