OUR SCIENCE

IT'S IN OUR DNA

Science in Sport is the world's leading performance nutrition brand. Since 1992, we have developed, manufactured and distributed high-quality performance nutrition products to professional athletes and sports enthusiasts internationally. 

SINCE 1992

Industry Experts

105 OLYMPIC MEDALS

At the 2024 Paris Olympic Games, SiS supported athletes and teams, who brought home over 100 medals.

300+ ELITE TEAMS

Multi-sport usage

LEADING PERFORMANCE

World-leading performance nutrition brand

PERFORMANCE SOLUTION

Led by Professor James Morton, Science in Sport's Performance Solutions team works with elite partners to provide innovative fuelling solutions that push the boundaries of science to help improve performance.

Performance Solutions provides SiS's partners with a professionally accredited Performance Nutritionist to practically deliver performance nutrition programmes within the elite environment.

They also deliver bespoke research and innovation programmes, partnering with world-leading sport science institutions and conducting field-based studies to generate cutting-edge performance knowledge and drive product innovation. This research is regularly published in prestigious, peer-reviewed scientific journals, including Journal of Physiology, Journal of Applied Physiology and Medicine, & Science in Sports and Exercise.

We are the Official Performance Solutions Research Partner of world-leading sport organisations and teams, such as British Cycling and Tottenham Hotspur F.C. Previously, SiS has had Performance Solutions relationships with INEOS Grenadiers, INEOS Britannia, the English Football Association, Milwaukee Bucks, Nike, and Elite Running Team.

ELITE PERFORMANCE

TRUSTED BY ELITES

Science in Sport is deeply embedded within the elite sporting community, fuelling more than 300 professional teams and organisations worldwide. We're proud partners of Olympic and Paralympic bodies, including British Cycling, British Triathlon, British Swimming, and British Sailing, as well as leading teams and federations across the globe - from Saracens Rugby Club and Australian Cycling to German Cycling, England Athletics, and English Netball.

QUALITY COMMITMENT

Science in Sport is internationally recognised as the safest sports nutrition brand in the world. Our products are trusted by professional teams and athletes because of our commitment to testing and certification. Each finished product that leaves the factory is screened against the World Anti-Doping Agency (WADA) list for banned substances. This rigorous testing process is undertaken externally by Informed Sport.

Driven by insights from elite athletes and practitioners, our cutting-edge research programme, and an innovative, novel product development team, we relentlessly test and refine our products with athletes and consumers alike. This approach ensures we deliver the right range of products, made with the highest-quality ingredients, so you can focus on performing at your very best.

INFORMED SPORT CERTIFIED

Science in Sport is proud to be part of Informed Sport’s quality assurance program for sports nutrition products. The program certifies that all nutritional supplements and/or ingredients that bear the Informed Sport logo have been tested for banned substances by the world-class sports anti-doping laboratory, LGC.

Banned substances, including steroids, are tested to the level of 10 Nanograms per gram, and stimulants to 100 Nanograms per gram.

Every batch produced receives the recognised and respected Informed Sport certificate.

QUALITY ASSURANCE

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PRODUCT & MANUFACTURING REVIEW

INFORMED Sport evaluates our raw materials and suppliers across all production and packaging sites, as well as our operational procedures, and verifies our GMP (Good Manufacturing Practices), ensuring products are consistently produced and controlled to maintain quality standards.

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PRE-CERTIFICATION TESTING

A minimum of three, final product samples are tested to the level in the ng/g region against WADA's banned substance list - an essential requirement for banned substance programmes, and risk mitigation.

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CERTIFICATION TESTING

After successful certification, each batch of each product is tested and registered at wetestyoutrust.com, so anyone can verify the product they purchased has been certified.

OUR EXPERTS

Professor James MortonProfessor James Morton
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 FellDr. Marc Fell
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.

EXTERNAL ADVISORY BOARD

Professor Louise BurkProfessor Louise Burk
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 StellingwerffDr Trent Stellingwerff
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 AshfordCharles Ashford
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 NaylorMichael Naylor
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 GonzalezProfessor Javier Gonzalez
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 WallProfessor Benjamin Wall
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.

PERFORMANCE NUTRITION

FUELLED BY SCIENCE