SiS GO Isotonic Energy Gel

Science in Sport (SiS) is a leading performance nutrition brand that has become a staple for professional and amateur athletes globally, particularly known for its isotonic energy gels. The brand was founded in the United Kingdom and prides itself on rigorous scientific testing, being a pioneer in the development of isotonic gels that can be consumed without the need for additional water.

The production of SiS products is primarily centered in the United Kingdom, specifically at their state-of-the-art manufacturing facility in Blackburn, Lancashire. This local production ensures strict quality control and compliance with Informed Sport standards, making it a trusted choice for Olympic athletes and professional cycling teams.

Since 2018, Science in Sport has expanded its portfolio by acquiring PhD Nutrition, consolidating its position in the sports supplement market. The brand continues to operate under Science in Sport PLC, which is headquartered in London and serves an international market through various distribution channels and localized subsidiaries.