Science of Sport

Science in Sport (SiS) is a leading sports nutrition company that develops, manufactures, and markets innovative nutritional supplements for professional athletes and sports enthusiasts. The company operates through two primary brands: SiS, which focuses on endurance sports, and PhD Nutrition, which targets the active lifestyle and protein market. Its product portfolio includes energy gels, hydration tablets, recovery powders, and protein bars, all developed with a strong emphasis on scientific research and banned-substance testing. SiS maintains high-profile partnerships with elite organizations such as the INEOS Grenadiers cycling team and the Milwaukee Bucks. Headquartered in London, the company is publicly traded on the London Stock Exchange and serves a global customer base through e-commerce and retail channels.