Fuelled by Science, Trusted By Elites, Proven By Performance Featured Articles Sport Fuelling During a Football Match Fuelling During a Football Match Football, at every level, is fast, dynamic, and unpredictable. That’s the beautiful game. The action doesn’t let up – you’re constantly sprinting, tackling, jumping, pressing, and making decisions ... 4 minutesSiS Team Running The Warm-Up Mistake Most Club Athletes Make Before Competition Warming up is a habitual ritual for most athletes before competition, but this preparation barely scratches the surface of what ... 6 minutesSiS Team Sport Why Your Sprint Times Drop in the Final 10 Minutes The science behind late-game speed loss reveals exactly what your body runs out of first. 5 minutesSiS Team Fuelling Guides Fuelling The Day Before a Football Match Learn how footballers prepare the day before a match, and our expert methods to ensure you turn up fully fuelled ... 4 minutesSiS Team Cycling Drop in at the top. The mountain decides the rest. The climb up isn't the race. The descent down is. 5 minutesSiS Team Running Heat and Hydration: Performing When Temperatures Rise We guide you through how to best stay hydrated in high temperatures, without dropping your performance levels. 7 minutesJonah Rosner Sport Fuelling for HYROX: Insight, Innovation, Inspiration Head Nutritionist sat down with our HYROX Ambassadors to discuss strides we have made in fuelling strategy for HYROX athletes. 3 minutesSiS Team Sport The Science Behind World Cup Hydration Breaks The hydration breaks at the World Cup 26 have proved controversial. We've broken down the science behind them, and why ... 5 minutesSiS Team Running The 60/90/120 Debate: What is The Right Amount of Carbohydrate For Your Needs? The 60/90/120 carbohydrate debate is dominating conversation in the endurance world. We've created an easy-to-follow breakdown on this hot topic. 8 minutesSiS Team Articles by sport Running Cycling Swimming Triathlon HYROX Football Basketball Rugby Other Sports Latest Articles Sport Fuelling During a Football Match Fuelling During a Football Match Football, at every level, is fast, dynamic, and unpredictable. That’s the beautiful game. The action doesn’t let up – you’re constantly sprinting, tackling, jumping, pressing, and making decisions ... 4 minutesSiS Team Running The Warm-Up Mistake Most Club Athletes Make Before Competition Warming up is a habitual ritual for most athletes before competition, but this preparation barely scratches the surface of what ... 6 minutesSiS Team Sport Why Your Sprint Times Drop in the Final 10 Minutes The science behind late-game speed loss reveals exactly what your body runs out of first. 5 minutesSiS Team Fuelling Guides Fuelling The Day Before a Football Match Learn how footballers prepare the day before a match, and our expert methods to ensure you turn up fully fuelled ... 4 minutesSiS Team Cycling Drop in at the top. The mountain decides the rest. The climb up isn't the race. The descent down is. 5 minutesSiS Team Running Heat and Hydration: Performing When Temperatures Rise We guide you through how to best stay hydrated in high temperatures, without dropping your performance levels. 7 minutesJonah Rosner Sport Fuelling for HYROX: Insight, Innovation, Inspiration Head Nutritionist sat down with our HYROX Ambassadors to discuss strides we have made in fuelling strategy for HYROX athletes. 3 minutesSiS Team Sport The Science Behind World Cup Hydration Breaks The hydration breaks at the World Cup 26 have proved controversial. We've broken down the science behind them, and why ... 5 minutesSiS Team 0Load More The Experts Alec Fenn Health and Fitness Journalist and Copywriter Dr Emily Jevons Registered Nutritionist Professor James Morton Director of Performance Solutions SiS Team The Experts SiS Contributor Guest Author An Expert Renee McGregor Clinical Director & Sports Dietician Jonah Rosner Applied sport scientist, strength and running coach Dr Marc Fell Senior Performance Nutritionist Lauren Charlton, MS RDN Registered Sports Dietitian Nicola Joyce Guest Author Fitness Industry Copywriter & Coach