IT'S IN OUR DNA
Since 1992, Science in Sport has been at the forefront of performance nutrition, developing scientifically formulated products trusted by elite athletes and active individuals worldwide. From research and manufacturing to distribution, our focus has always been on delivering premium sports nutrition that helps athletes fuel, perform and recover at their best.
SINCE 1992
Industry Experts
300+ ELITE TEAMS
Multi-sport usage
105 OLYMPIC MEDALS
At the 2024 Paris Olympic Games, SiS supported athletes and teams, who brought home over 100 medals.
LEADING PERFORMANCE
World-leading performance nutrition brand
PERFORMANCE SOLUTION
Science in Sport's Performance Solutions team, led by Professor James Morton, works alongside some of the world's leading athletes and sports organisations to develop evidence-based nutrition strategies that enhance performance.
The team provides expert support through accredited Performance Nutritionists, delivering tailored nutrition programmes that meet the demands of elite sport. They also collaborate with internationally recognised sports science institutions to conduct innovative research that advances performance nutrition and drives the development of new products.
Research undertaken by the Performance Solutions team is regularly published in leading peer-reviewed scientific journals, including the Journal of Physiology, Journal of Applied Physiology, and Medicine & Science in Sports & Exercise.
Science in Sport has partnered with many of the world's most successful sporting organisations, including British Cycling and Tottenham Hotspur Football Club. Previous Performance Solutions partnerships have included INEOS Grenadiers, INEOS Britannia, The Football Association (England), Cricket South Africa and Proteas, Milwaukee Bucks, Nike, and several elite endurance running programmes.
TRUSTED BY ELITES
Science in Sport is the nutrition partner of choice for more than 300 professional teams and sporting organisations across the world. Our products help fuel elite athletes competing at the highest levels of endurance, strength and team sports.
We are proud to work with Olympic and Paralympic programmes, including British Cycling, British Triathlon, British Swimming and British Sailing, as well as leading clubs and national sporting bodies around the globe. Our partnerships have included organisations such as Saracens Rugby Club, Australian Cycling, German Cycling, England Athletics and England Netball, reflecting our commitment to delivering trusted, science-backed sports nutrition to world-class athletes.
QUALITY COMMITMENT
Science in Sport is recognised globally for producing some of the safest and most rigorously tested sports nutrition products available. Professional athletes and sports teams trust SiS because quality, safety and performance are at the heart of everything we do.
Every batch is independently tested through the Informed Sport certification programme to screen for substances prohibited by the World Anti-Doping Agency (WADA), giving athletes confidence that every product meets the highest standards of safety and integrity.
Innovation drives everything we do. Working alongside elite athletes, sports scientists, nutritionists and industry experts, our research and development team continually refines our products using the latest scientific evidence and real-world performance insights. This commitment enables us to create premium sports nutrition using high-quality ingredients, helping athletes train harder, recover faster and perform at their best.
INFORMED SPORT CERTIFIED
Science in Sport is proud to participate in the Informed Sport quality assurance programme, one of the world's most trusted certification schemes for sports nutrition. This independent programme gives athletes confidence that every certified product has been rigorously tested for substances prohibited in sport.
Every production batch is analysed by LGC, a globally recognised anti-doping laboratory, and screened against the World Anti-Doping Agency (WADA) prohibited list. Products are tested to extremely low detection limits, including banned steroids and stimulants, ensuring the highest standards of quality, safety and compliance.
Only products that successfully pass this stringent testing process are awarded the Informed Sport certification, providing athletes with confidence that they are using sports nutrition they can trust.
QUALITY ASSURANCE
CERTIFICATION TESTING
PRE-CERTIFICATION TESTING
PRODUCT & MANUFACTURING REVIEW
OUR EXPERTS
PROFESSOR JAMES MORTON
CHIEF SCIENCE OFFICER
James is the Chief Science Officer at Science in Sport, responsible for research and innovation as well as strategic delivery of our Performance Solutions programme to our elite partners. With over 160 research publications, James is a Professor of Exercise Metabolism at Liverpool John Moores University and has extensive experience in leading Performance Support programmes to some of the world's leading athletes and sports teams.
DR. MARC FELL
SENIOR PERFORMANCE NUTRITIONIST
Marc is a Senior Performance Nutritionist at Science in Sport (SiS), where he plays a role in the Performance Solutions and Science programmes. As part of SiS’s elite partnerships, he is currently embedded with the Great Britain Cycling Team as a performance nutritionist and supports our additional performance solutions partners, including Tottenham Hotspur F.C. Previously, Marc served as an embedded performance nutritionist with the INEOS Grenadiers World Tour cycling team, also through SiS’s elite partnership network. His academic background includes PhD research conducted in collaboration with the former Team Sky cycling team. In addition to his work in elite cycling, Marc has held performance nutrition roles across Premier League Football and Olympic Track and Field.
OUR EXPERTS
PROFESSOR LOUISE BURKE
PROFESSORIAL FELLOW (CENTRE FOR HUMAN PERFORMANCE AND METABOLISM, AUSTRALIAN CATHOLIC UNIVERSITY)
Prof. Louise Burke is a sports dietitian with 40 years of experience in the education and counselling of elite athletes. She worked at the Australian Institute of Sport for thirty years, first as Head of Sports Nutrition and then as Chief of Nutrition Strategy. She was the team dietitian for the Australian Olympic Teams for the 1996-2012 Summer Olympic Games. Her publications include over 350 papers in peer-reviewed journals and book chapters, and the authorship or editorship of several textbooks on sports nutrition. She is an editor of the International Journal of Sport Nutrition and Exercise Metabolism. Louise was a founding member of the Executive of Sports Dietitians Australia and is a Director of the IOC Diploma in Sports Nutrition. She was awarded a Medal of the Order of Australia in 2009 for her contribution to sports nutrition. Louise was appointed as Chair in Sports Nutrition in the Mary MacKillop Institute of Health Research at Australian Catholic University in Melbourne in 2014 and took up this position in a full-time capacity in 2020
DR TRENT STELLINGWERFF
DIRECTOR OF PERFORMANCE SOLUTION (CANADIAN SPORT INSTITUTE PACIFIC)
Dr Trent Stellingwerff serves as Chief Performance Officer (CPO) at the Canadian Sport Institute Pacific (Victoria, Canada), joining CSI Pacific in 2011. In this role, he directs the health & performance staff and has oversight of CSI Pacific R&D and all special projects. He directs several different research projects across different sport performance discipline areas, with Master’s, Phd and Post-Doctorate students involved. He has also provided physiology expertise to Canada’s National Athletics (Track and Field), Rowing, Triathlon and Mountain bike teams. His primary sport and research focuses are in the field of physiology and nutrition interactions, as well as environmental (altitude and heat) expertise and more recently, into research on female health and performance. He co-chairs the Own the Podium Canadian National Sport Relative Energy Deficiency in Sport (REDs) working group. Prior to 2011, Trent was a Senior Scientist in Performance Nutrition for PowerBar at the Nestle Research Centre (Lausanne, Switzerland). Trent has more than 150 peer-reviewed scientific publications and authored 10 book chapters in the areas of exercise physiology, skeletal muscle metabolism, sports nutrition and performance. Trent has been an invited expert presenter and author for many international nutrition consensus statement meetings with the IOC (International Olympic Committee), FINA (Swimming), UCI (Cycling) and World Athletics, and is a member of the International Advisory Board for the IOC Diploma Program in Sports Nutrition and S&C programs. Over the years, Trent has attended and/or serviced athletes and sports over 4 Olympic/Paralympic Games, 4 Commonwealth Games and >15 World Championships across several sports.
CHARLES ASHFORD
ASSISTANT DIRECTOR OF TEAM WELLNESS AND PERFORMANCE NUTRITIONIST (HOUSTON TEXANS)
Charles Ashford is a Performance Nutritionist with over a decade of experience working with elite athletes. Charles currently serves as the Performance Nutritionist for the Houston Texans. Before the Texans, Charles worked as a Performance Nutritionist at Dallas Mavericks and previously had spent time working as a performance nutritionist in collegiate sports at the University of North Texas and Texas Tech University. He holds a master’s degree in sports nutrition and a bachelor’s in sports and exercise sciences. Charles has full practitioner registration on the Sport and Exercise Nutrition Register with the British Dietetic Association alongside additional credentialing in sports nutrition, exercise physiology, and strength and conditioning.
MICHAEL NAYLOR
LEAD PERFORMANCE NUTRITIONIST (CHELSEA F.C.)
Michael Naylor is a Performance Nutritionist who is currently the lead nutritionist of Chelsea F.C. Previously, Michael was the head of Nutrition for the UK Sports Institute, where he led a team of over 20 nutritionists supporting 25 of Team GB's Olympic and Paralympic sports. He was the Head of Nutrition for Team GB at the Rio 2016 Olympics. Additionally, Michael provided nutrition support to England Rugby for over eight years, working with both the Senior Men’s and Women’s teams. In football, Michael was the performance nutritionist at Southampton FC for six seasons and now works with the English Football Association, having been part of the support staff at the 2018 and 2023 World Cups as well as the 2020 and 2023 European Championships. In Formula 1, Michael has been the team consultant nutritionist for McLaren for the past two seasons. He also works at the Marylebone Health Group, providing support to clients with a range of performance and health requirements, including elite tennis players, golfers, and boxers.
PROFESSOR JAVIER GONZALEZ
PROFESSOR OF NUTRITION AND METABOLISM (UNIVERSITY OF BATH)
Javier is Professor of Nutrition and Metabolism in the Centre for Nutrition, Exercise and Metabolism (University of Bath). His research is focussed on human fuel use. How we get fuel from our diet, burn fuels during exercise; and store fuels when they exceed our requirements. His research group employs a variety of methods to understand human fuel use, including indirect calorimetry, tissue biopsies and stable isotope (IV) infusion and ingestion. These methods across laboratory-based and free-living studies to study carbohydrate and fat metabolism
PROFESSOR BENJAMIN WALL
PROFESSOR OF NUTRITIONAL PHYSIOLOGY (UNIVERSITY OF EXETER)
Professor Benjamin Wall is an expert in Muscle Physiology with a research portfolio comprising over 125 peer-reviewed publications. His work primarily explores how physical activity and nutrition influence skeletal muscle adaptation to both exercise and across the human lifespan. He earned a BSc in Sport and Exercise Science from the University of Birmingham and a PhD in Skeletal Muscle Metabolism from the University of Nottingham Medical School. Professor Wall currently holds the position of Professor of Nutritional Physiology at the University of Exeter. His research group investigates the role of dietary protein in enhancing muscular adaptations to exercise, both in the context of sports performance and healthy ageing. A key focus of their work is understanding the efficacy of different protein sources, including comparisons between animal- and plant-based options, to support muscle health and function.