This challenge we are bringing you the option to choose your goal! You will have the ability to choose between either the STRONG or SCULPT challenge.

The BUILD challenge has been designed for those who want to increase their strength and build muscle while maintaining their current body fat levels. 

The SCULPT challenge has been designed for those looking to loose body fat, create definition and build lean muscle. 

No matter what your current fitness level is, or knowledge around health and fitness, this challenge will provide you with everything and MORE to be successful throughout your journey.

Weekly payment – terms and conditions apply

  • 8 weeks of customised nutrition.
  • Meal plan or macro approach.
  • 8 week training program (2 x 4 week blocks)
  • Reverse diet guide provided at the end of your challenge.
  • Supplement protocols.
  • Fortnightly check-ins with your JCN nutritionist via your JCN app.
  • In-app training logging to track your progress.
  • In-app food logging feature.
  • Daily habit check-ins to keep you on track!
  • Access to our closed challenge community group where we share exclusive content & tools throughout your challenge.
  • Access to our vault, full of educational content around nutrition, training, tips & tricks!
  • Access to all of our recipe E-books.
  • Exercise video library.
  • Prizes valued at over $2,500! + exclusive discounts with our favourite brands!



  • 8 weeks of customised nutrition.
  • Meal plan or macro approach.
  • Choose your challenge goal STRONG or SCULPT.
  • 8 week training program (2 x 4 week blocks)
  • Reverse diet guide provided at the end of your challenge.
  • Fortnightly check-ins with your JCN nutritionist via your JCN app.
  • Supplement protocols.
  • In-app training logging to track your progress.
  • Exercise video library.
  • In-app food logging for macro clients.
  • Daily habit check-ins to keep you on track!
  • Access to our closed challenge community group where we share exclusive content & tools throughout your challenge.
  • Access to educational content around nutrition, training, tips & tricks!
  • Access to all of our recipe E-books.
  • Prizes valued at over $2,500! + giveaways throughout the challenge!



CHALLENGE T&Cs



Your nutriton will be individualised based on your selected challenge goal and either a macro or meal plan approach.

Your nutriton will be individualised based on your selected challenge goal and either a macro or meal plan approach.

SCULPT clients will enter into a calorie deficit however, protein intake will be set higher to assist in muscle gain & retention.

STRONG client will be put into a calorie surplus but aiming to minimise body fat increases while getting stronger and building muscle.

If you’re an experienced macro tracker we will provide you with customised macro targets that you can track within the app. You will have access to example meal plans, balanced meal guides and recipe e-books for you to utilise.

All meal plan clients will receive a 2-3 meal swap options per prescribed meal including a creative recipe to keep your nutrition as exciting as possible during your fat loss journey.

We provide all clients with a complete list of JCN approved ingredients and food swaps that you will find on your plan, so you can create even more recipes and meal options to suit.

SCULPT clients will enter into a calorie deficit however, protein intake will be set higher to assist in muscle gain & retention.

STRONG client will be put into a calorie surplus but aiming to minimise body fat increases while getting stronger and building muscle.

If you’re an experienced macro tracker we will provide you with customised macro targets that you can track within the app. You will have access to example meal plans, balanced meal guides and recipe e-books for you to utilise.

All meal plan clients will receive a 2-3 meal swap options per prescribed meal including a creative recipe to keep your nutrition as exciting as possible during your fat loss journey.

All clients will be provided a complete list of JCN approved ingredients and food swaps that you will find on your plan, so you can create even more recipes and meal options to suit.

Your training programs will be available in your JCN app where you can log and track your progress for each session. you will also have access to our extensive exercise video library to demonstrate any movements you aren’t sure how to perform.

Your sessions will include weight training with a hypertrophy focus to ensure you are progressing each week with your strength. You will have 4 workouts each week, allowing for optimal recovery time to ensure you get the most out of each session.

Alongside your training, you will be prescribed additional cardio and step targets as required by your nutritionist to ensure you achieve optimal fat loss where required throughout your challenge. 

Please note if you would like to workout from home, you must select the SCULPT challenge. There will be no STRONG home workout options. 

Your home workout program has been created using minimal equipment, improving your overall fitness levels whilst achieving a fat loss result.

Whether you are a beginner or a returning JCN challenger, our brand new STRONG & SCULPT workouts are going to challenge what you thought was hard work….

These sessions will include weight training with a hypertrophy focus to ensure you are progressing each week with your strength. You will have the option to choose between gym OR home workouts, as well as being prescribed additional cardio and step targets as required by your nutritionist to ensure you achieve optimal fat loss where required throughout your challenge.

Our programs give you the ability to train at your desired intensity and progress at the rate you choose. We will prescribe you 4 workouts for the week, this allows for optimal recovery time to ensure you get the most out of each session.

For those of you unable to train from a gym and wanting to choose an at home training approach, we have created a structure training program using minimal equipment to improve your overall fitness levels whilst achieving a fat loss result (Only SCULPT clients will have the ability to choose home workouts).

Your training programs will be accessible within your JCN app where you can log and track your progress for each session and see an extensive video exercise library to demonstrate any movements you aren’t sure how to perform.

HOME WORKOUT CLIENTS:

Please note if you would like to workout from home, you must select the SCULPT challenge. There will be no STRONG home workout options. 

 

I loved everything about it, was overall such a positive experience for me. Dropped my resting heart rate by 30bpm, sleeping so much better and just overall happier.

My goal was to reach 60kg and I have made it!

After working as a pt for a trainer who would never let me eat carbs, I had a very negative relationship with food. Never thought I could achieve these kind of results!! Thank you JCN!

Christen / Round 4.0

I learnt how to manage my macros! I got a fitbit especially for this challenge and have had the best time figuring out how to get steps in and learnt so many more machines at the gym. I actually can’t believe how easy it was to loose weight so quickly! I live the logical and healthy approach.

I am so greatful for this challenge, my confidence has improved so much. I can’t really put it into words how much it means to not dread figuring out what to wear to meet friends etc. I look and feel so good.

I lost 11 kilos in 8 weeks.

Stella.J / Round 3.0 winner

I loved every aspect of the challenge. The variety of food and how simple it all was to prep. The training sessions were challenging but really enjoyable. The app made everything so much more simple to follow.

I learnt that dieting doesn’t have to be boring and tasteless. The importance of counting calories and what can be accomplished when done right.
I have achieved results I didn’t think was possible in such a short amount of time. Stretched the fat loss phase an extra week for a fat loss total of 13.6kg

Joel. D / Round 5.0 winner

I loved every aspect of the challenge. The variety of food and how simple it all was to prep. The training sessions were challenging but really enjoyable. The app made everything so much more simple to follow.

I learnt that dieting doesn’t have to be boring and tasteless. The importance of counting calories and what can be accomplished when done right.
I have achieved results I didn’t think was possible in such a short amount of time. Stretched the fat loss phase an extra week for a fat loss total of 13.6kg

Joel. D / Round 5.0 winner

This challenge hasn’t just been a fat loss journey for me.

I have enjoyed Jakes teachings, one learning in particular I have learned is that being mindful about our choices and how to create and follow achievable habits. For me seeing my body transform by applying some of these changes over the last 3 challenges I have come to realise that I can apply this same method into my daily life.

Im grateful for JCN, and the support and accountability that they offer. To date I have lost 13kg. 

Stella. J / Round 2.0 Winner

I loved how much knowledge and education was shared amongst us all, the amount of files in our vault and webinars was awesome and I definitely learnt a lot from this all which will help me further down the track also.

I have achieved a weight loss total of 6kg so far, my before photos I was roughly 7-8 weeks postpartum to now being 14 weeks postpartum in my after photos, I still have more to come but I’m so proud of my efforts so far.

I highly would recommend this challenge to everyone, it’s insane the work and effort that goes into these challenges, definitely worth it!

Maddison. H / Round 3.0

I learnt how to manage my macros! I got a fitbit especially for this challenge and have had the best time figuring out how to get steps in and learnt so many more machines at the gym. I actually can’t believe how easy it was to loose weight so quickly! I live the logical and healthy approach.

I am so greatful for this challenge, my confidence has improved so much. I can’t really put it into words how much it means to not dread figuring out what to wear to meet friends etc. I look and feel so good.

I lost 11 kilos in 8 weeks.

Stella.J / Round 3.0 winner

I loved how much knowledge and education was shared amongst us all, the amount of files in our vault and webinars was awesome and I definitely learnt a lot from this all which will help me further down the track also.

I have achieved a weight loss total of 6kg so far, my before photos I was roughly 7-8 weeks postpartum to now being 14 weeks postpartum in my after photos, I still have more to come but I’m so proud of my efforts so far.

I highly would recommend this challenge to everyone, it’s insane the work and effort that goes into these challenges, definitely worth it!

Maddison. H / Round 3.0

Challenge VS. Lifestyle approach?

It’s important  to note that this is a challenge and not an everyday lifestyle approach. We will be pushing hard over the first 6 weeks to get you optimal results before reversing you back out of your deficit. Although we give you a vast range of meal options and ingredients to utilise, we cannot guarantee that certain food items you want included will be prescribed.

This challenge is designed to not only give you incredible results, but to ensure that you leave these 8 weeks with new nutrition and training knowledge, and the right skills to be able to continue succeeding within your health and fitness journey. 

Please note this is a challenge and is designed to get you a more rapid loss of body fat in the first 6 weeks so the deficit will be more aggressive than if you were to not have time restrictions (being the 8 weeks). Meals and ingredients are selected to ensure we get the best results possible during this time. If you are wanting a more flexible approach to your nutrition we would suggest you select a lifestyle plan.

 

The lifestyle PREMIUM plan is the closest service we offer to the challenge that will allow you more flexibility as mentioned above. 

See More About Lifestyle Premium

Frequently Asked Questions

Sign-ups are open from Wednesday 12th March until Thursday 27th March.

The challenge will commence on Monday 31st March and ends Sunday 25th May.

Your weekly subscription will begin from the day you sign up to the challenge. For most this will mean that you would have finished paying for your 8 week challenge before the end date. Alternatively you can pay for the entire 8 weeks upfront when signing up.

After you have confirmed your place in the challenge, you will receive instructions via the email address you signed up with, on how to download and create your app account.

You will then be sent a link to create your app username and password within the first 3 days after signing up. Please ensure you keep an eye on your junk and spam inbox as well during this time.

Challenge plans will begin being sent out the week before the challenge starts. These are done in order of when pre-assessment forms are completed so if you would like to recieve your plan asap, please ensure you complete your initial forms as soon as you gain access to you app. 

You will have the ability to contact Jake and ask questions during the live webinars as well as via our closed FB community group where regular updates and notices will be posted. Our fellow challengers may also be able to answer any questions you may have if they have previously been answered so we encourage our challengers to utilise this platform that we have created for your convenience and experience.

You will be able to add notes for your nutritionist throughout your fortnightly check-ins however any questions outside of check-in you will also be able to contact us via challenge@jcn.co.nz.

Please do not send Jake Instagram messages with challenge related questions as these are easily missed within the masses and will be responded to in a timely manner via the Facebook group or the challenge email address listed above.

No, you will need to remain on either Meal plan OR Macros from when your first plan is sent to you. These take time to set up as they are individually created and customised to your preferences, current stats, and goals. If they are changed throughout the challenge, it may affect your overall results

However, please note that if you do select a meal plan approach, you will also receive a full macro breakdown should you wish to make amendments to your meal plan if you have the knowledge to do so. 

We only recommend selecting a macro approach if you have tracked macros before and understand how to build out your own full day of eating.

If you are an experienced macro tracker, you can choose the macro only approach when filling out your forms. After your nutritionist evaluates your pre-assessment, they will assign custom macro goals, that includes protein, carbohydrates, fats, and daily calorie targets. You will also have access to the JCN recipe books and educational vault which includes PDF’s on how to create a balanced meal and fuel your body correctly throughout the day. We also have example meal plans within the vault that utilise our JCN recipes.

PLEASE NOTE: Opting for the macro-only approach requires you to build out your own day of meals to eat, we suggest only selecting this approach if you have experience tracking macros using app like MyFitnessPal.

Unfortunately, your app subscription will also end after the challenge finishes as this will be re set and programmed for the next round of challenges.

  • Long resistance bands
  • Booty bands /small bands
  • Dumbbells 3-10kg women
  • Dumbbells 8-20kg male

If you do not have access to weights, bands can be utilized only, however this will need to be specified on your initial questionnaire form. 

No, there is a strict no refund or cancellation policy in place for our challenge service. As this is a capped service, when you sign up you are taking someone else’s ability to sign up.

Therefore, you will not be granted a cancellation or refund for any reason including medical reasons after you make your initial sign up payment.

You can view our policy here.

Debt collection will be used for those that do not complete their payments in a timely manner which can result in additional fees and affect your personal credit rating.

Although we cannot extend your challenge app subscription, if you sign up to the following challenge we can keep your app account active to store your data.

We send our challengers exclusive discount codes to work with us on our other services which will be available to you on our separate lifestyle app

Please contact us at challenge@jcn.co.nz for all questions and queries.