Elevating Human Performance
Fuel. Perform. Elevate.
Helping business professionals and athletes excel in work, life, and sport while maximising longevity.
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Ways to Work Together
Fed up with sorting fact from fiction? Overwhelmed by pseudoscience in nutrition?
We deliver science-driven results with evidence-based personal strategies and sustainable, practical solutions, led by registered dietitians and high-performance nutritionists.

Strategic Nutrition for High Performance
Live fully, excel in your career, and future-proof your health with High-Performance Strategic Nutrition Coaching. Tailored for busy professionals, we use personalised data, science-backed methods, and inspiring goals to boost energy, performance, and long-term health.

High Performance Sports Nutrition
As an athlete and business professional, unlock your full potential in sports, health, and performance. Gain insights into your data and master the art of racing, recovery, optimizing body composition, and fueling your body like a professional athlete to achieve peak results.

Clinical (Medical) Nutrition Consultancy
Our Dietitian-led Clinical Consultancy provides personalised nutrition strategies for medical conditions such as restrictive intake, renal disease, IBS, IBD, eating disorders, RED-S, lipid management, spinal injuries, and post-surgical recovery. We also support case management companies and select private insurers.

ABOUT
4th Discipline
As Clinical Director of 4thDiscipline, I combine my passion for food, sport, and evidence-based science. Growing up in a family bakery and training as a clinical dietitian, I witnessed the profound impact of food choices, sleep, and exercise on health and performance. Driven by this, I established 4thDiscipline with a clear ethos, designing the 4D Approach and the High-Performance Fuelling Framework™. I work with business professionals, business owners, and partners to optimise performance and enhance long-term health.
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PODCAST
Popular Episodes
The Business of Endurance is a podcast aimed at connecting endurance sport with personal and business advancement.
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JOE DE SENA | Feb 07, 2024
Resilience & Change - A Deep Dive with Joe De Sena
In this episode, Charlie and Claire chat with Joe De Sena, Spartan founder and CEO, about resilience in life, sports, and business.
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HEATHER JACKSON | July 31, 2024
Mastering the Triathlon & Beyond: From Escaping Alcatraz to Ultra & Gravel with Heather Jackson
Charlie and Claire chat with Heather Jackson, retired triathlete turned ultra-runner, about her endurance journey, mental resilience, and insights on nutrition and sponsorships.
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DEAN KARNAZES | Aug 30, 2024
The Ultramarathon Man Revealed: Endurance and Inspiration with Dean Karnazes
Charlie and Claire chat with ultrarunning legend Dean Karnazes about his endurance strategies, race nutrition, mental resilience, and balancing ultrarunning with family life.
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FREE VIRTUAL EVENT
Finding the Energy Within
Join this free virtual event to discover how to unlock your peak personal and professional performance, health, and vitality through strategic nutrition.
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