MaximiSe Your Full Potential.

Using elite level testing, we can devise a nutrition and exercise plan tailored around your physiology.  



Box Endure is a testing and nutrition coaching programme for the recreational sportsman or woman. Providing metabolic testing (VO2 max, thresholds and heart rate zones), nutrition coaching and strength and conditioning via an app, we help you become faster, fitter and stronger.

Box Nutrition brings elite testing to the recreational, amateur and age-group athlete

Metabolic testing

By using state of the art equipment and methods, metabolic testing enables us to analyse your data and provide you with the most accurate nutrition plan completely bespoke to your individual requirements. It also enables us to pinpoint your training zones (how hard to push) and highlight how to fuel your sessions.



Our nutrition coaching takes you through a process of building better habits to how to fuel your big race.

We help you understand:

  • ​How much to eat to fuel performance without compromising the way your look

  • ​​​What to eat before, during and after your training or competitions

  • ​How to put together simple, tasty dishes that you enjoy

  • ​How to eat when you don't have time to prepare

  • ​How to diet without feeling like you’re dieting

  • ​How to stick to something that you can do forever

  • ​What supplements will help you reach your goals more quickly

  • What to and how to eat if you're on the road

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Endure comes complete with a strength and conditioning programme to help help improve your speed, power, resilience and reduce the risk of injury. The programme can be followed along as part of a phone application so you can track and share your results.


Throughout the process you will supported by your own coach via our app who will be your accountability.

You might not understand how to eat for a particular workout? You're struggling with cravings, or an injury, Jack will be there to support you when you need it most. The programme also includes access to the private facebook community where you can join likeminded people who share similar goals.

Each month you will also have a 'catch up' call to discuss your progress. This enables us to see what's working but more importantly what's not, so we can make any necessary changes to your plan.

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Get fitter, stronger, faster. Take your performance to the next level and apply today.


My name is Jack Braniff and I help athletes perform, look and feel their best. I'm the founder of Box Nutrition and a registered performance nutritionist (SENr, CISSN), have my Masters degree (MSc) in Sports and Exercise nutrition and a member of the British Dietetics Association. I'm also the author of top rated sports nutrition book "Fuelling The Functional Athlete" which is available from Amazon and a UKAD anti doping advisor.

Jack Braniff MSc


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