

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, a member of the British Dietetics Association and a UKAD anti doping advisor. I'm also the author of top rated sports nutrition book "Fuelling The Functional Athlete" which is available from Amazon.
Jack Braniff MSc
PERFORMANCE NUTRITIONIST
Box Endure removes the guesswork from your training and nutrition by using metabolic testing, enabling us to build a plan around you and 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 support, we can help you implement exactly what, and how you should be eating to perform, look and feel your best.
perform better.
look better.
feel better.
Are you not getting the results that you're after despite training a lot?
Are you struggling to know what you should be eating to help fuel your performance?
Are you finding it difficult to balance eating to perform and lose body fat?
Are you unsure about what to eat to get the most from your training, recover more quickly and look your best?
Perform better. Look better. Feel better.
This is how Box Endure can help.
bringing SCIENCE TO PRACTICE
Combining elite level testing with personalised coaching, we can help you remove the guesswork from your training and nutrition, and provide you with a targeted plan that gets results.
Whether you’re a recreational runner, triathlete or CrossFit athlete who needs to work on their capacity, this programme is for you.
What's involved.....
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, so you can be more targeted with your training, nutrition and reduce the risk of injury. It also enables us to pinpoint your training zones (how hard to push) and highlight how to fuel your sessions (carbs/fat).
NUTRITION COACHING
Our nutrition coaching takes you through a process of building better habits to how to fuel your big race.
We help you understand:
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How much to eat to fuel performance without compromising the way your look
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What to eat before, during and after your training or competitions
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How to put together simple, tasty dishes that you enjoy
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How to eat when you don't have time to prepare
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How to diet without feeling like you’re dieting
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How to stick to something that you can do forever
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What supplements will help you reach your goals more quickly
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What to and how to eat if you're on the road
STRENGTH
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.
SUPPORT
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.
HOW THE PROCESS WORKS
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Frequently asked questions
Exercise
How much is it?
Endure is £99pm for 2 months
I'm a CrossFit athlete, can you tailor this programme to me.
The strength portion of this programme is not designed for CrossFit, but to improve running and cycling.
Do you tailor the exercise programme specifically for me.
This is a semi tailored exercise programme which follows a certain structure. There is a beginner, intermediate and advanced programme that can be adjusted to match your ability and equipment you have available, however this is not a personalised plan.
Do I need any equipment?
The strength programme comes with the option of home or gym workouts. These can be adapted to equipment you have available to you.
What's included in the exercise programme?
The programme consists of 2 strength workouts per week and an optional mobility programme. You also get access to interval workout sessions based on your testing results.
I already follow a running programme, how will this help me?
If you already follow a plan or have a coach, your testing results can help guide you with intensities as well as highlight any weaknesses you have. You will also receive training sessions to help target these weaknesses.
Diet
Do I get a meal plan?
Do I get my macros calculated for me?
Yes, based on your testing results we write up your calories and macronutrients for your different training days. Although you're asked to track initially, we encourage you to move away from this approach as you progress.
How often are they changed?
Depending on your results, you work with your coach to make any adjustments necessary.
Are there recipes?
Yes. You get access to a selection of recipes and a meal plan builder which helps you build balanced meals. Members are also encouraged share their recipes with the group on #Recipewednesday.
Do I have to count kcals
Do you recommend supplements?
This depends on your goal, but we do have a specific section on supplements for performance.
What's a fuelling plan?
Different training sessions will require different fuelling strategies. Based on your testing we can help you understand how to do this.
Testing
What equipment is the test done on?
The VO2 test is performed on either the bike or treadmill depending on your sport.
How does the testing work?
Am I fit enough?
Absolutely, the testing is simply done to provide you with a tailored approach to your diet and training, regardless of your fitness levels. It's not a test to see how good you are, but to help you improve.
have any questions?
To find out more about if Endure, or to see if the programme is right for you, please send us your questions to or use the form below. Or alternatively call us on 0121 389 8923