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Break Free From Chronic Dieting 

With Metabolic Testing & Personalised Nutrition

Lose Stubborn Fat
Build Lean Muscle
Know Your Macros

Struggling With Diets & Not Seeing
The Results You Want?

You don't feel comfortable in your own clothes

You don't want your picture taken or
posted online

You struggle to stick to aggressive calorie cutting diets

It's not you. It's probably your metabolism. Time for a change. 

What is Metabolism Testing and Who Is It For

You want to lose fat

You want to build muscle

You want to recomposition your body

You want a data-driven plan 

You want a plan backed by Science

Suitable for all ages 

Struggled to lose weight in the past

You want a sustainable lifestyle change

Athletes wanting to improve performance 

Jack Braniff, Owner of Box Nutrition 

A Personalised Plan Designed
For Your Metabolism 


Get clear on your body's needs and know exactly what to eat with a personalised nutrition plan. 


See a body you're proud of when you look in the mirror and watch your confidence soar.


Live life to the fullest knowing how to balance enjoyment and your nutrition goals. 

Scientifically-backed, metabolism-based nutrition strategies


Proven results with the latest metabolic testing technology 

Plans by Top Rated Author of Fuelling the Functional Athlete Jack Braniff, MSC

Our  Plans

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I Want To Know My Metabolism

Scientifically-backed testing that measures how many  calories your body burns PLUS your body fat %

  • RMR (Metabolism) Test

  • InBody Body Fat Test

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I Want To Lose Fat

Metabolism & body fat testing with a personalised nutrition plan for your body so you can lose fat

  • RMR (Metabolism) Test

  • InBody Body Fat Test

  • Active Calorie Burn Test

  • Comprehensive Nutrition Audit

  • Nutrition Plan

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I Want To Lose Fat With A Coach

Metabolism & body fat testing with 121 coaching for 8 weeks.

  • RMR (Metabolism) Test

  • InBody Body Fat Test

  • Active Calorie Burn Test

  • Comprehensive Nutrition Audit

  • Nutrition and Exercise Plan

  • Access to the Box App

  • Your personal accountability coach

  • 4 x 121 Check in Calls

How It Works

in 3 simple steps...

Take a
15 minute
metabolism test
Follow the
custom nutrition
plan I give you
Get your confidence back, look and
feel great

Frequently Asked Questions

How long does the  metabolism test take?

15 minutes. It's a really simple test that you will take sitting down.

Where do I  have  to go to take the metabolism test?

We are based in Erdington, Birmingham. B24 9QR

Do I need to do anything to prepare for the test?

To ensure your metabolism test is accurate you need to make sure you don't eat anything, or drink coffee 4-5hrs prior to your test. You also can't do any vigorous exercise for 12hrs before your test.

I've tried every diet in the book , will it work for me?

We get it. After cycling through numerous diets without seeing the results you hoped for, it’s not wonder you’re frustrated. However, the key issue often lies not in your commitment but in the generic nature of these plans. Our approach is fundamentally different. We dive deep into your unique metabolic profile, crafting a nutrition plan that's as individual as you are. This isn't about following trends; it's about understanding your body's specific needs and how it processes food, ensuring the plan we develop is the one that finally makes a difference for you.

What if I have special dietary requirements?

We tailor make all of our nutrition plans based on your dietary intolerances and/or requirements. It's suitable for all diet types.

I'm not great at cooking, are the meals complicated?

No. We keep our approach to nutrition simple and data based. By using your metabolic rate to design a plan that will work with your body, we don't need to complicate it.

I'm so busy what if I don't have time to meal prep

No worries. During your nutrition audit we will discuss your lifestyle and any commitments you have so that we can ensure you stay on track even with the hustle and bustle of daily life.

I haven't got a clue what I'm doing. Can you help me?

Yes. We will build a personalised plan that's not only designed for your body but fits in with your lifestyle. We will support you make a sustainable lifestyle change.

Our Plans

Get a Taste of Personalised Nutrition

With our calorie and macro calculator - Simply input your target weight, and we'll calculate your daily calorie intake and a breakdown of proteins, fats, and carbs. It's the perfect first step towards a tailored nutrition strategy that works uniquely for you.




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How Exactly Does A Metabolism Test Work

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