Introducing...

Decode: Personalised Health Assessment & Coaching

So high performers in their 40s, 50s and beyond can stop guessing at their health – and start acting on data that actually reflects how their biology is performing right now and where it's heading.


Your 12-week personalised functional health assessment and coaching programme – for people who are ready to discover that how well you age has far more to do with your choices than your genes.

Without the annual blood test that was designed to identify disease, not to catch the drift that precedes it.
Are you someone who takes their health seriously – but isn't sure the tests you're getting are telling you the full story?
I’ve got a quick question for you
What if insulin resistance, hormonal drift, and the cardiovascular shifts that precede serious disease by years are already visible in your biology – just not in any test you've had? 

Imagine knowing exactly where you stand – and having a clear, personalised plan to get ahead of it. That is what Decode is built to deliver.

Ready to start?
Here's why 'your bloods are fine' is not the same as 'your health is optimal'.
No matter how demanding your schedule, your biology DOESN'T pause – and the tests you're relying on may not be keeping up.
The question is:

Are you confident that the data you're working from actually reflects where your health is heading? 

Whether you've got an Oura ring or a smartwatch telling you how you slept, or you're simply trusting that no news is good news, your health trajectory depends on your next move. 

If you know without a doubt... 

That you're functioning well on the surface – but wondering whether 'your bloods are fine' is really the whole story... 

...then keep reading. 

Because what I'm about to share might be the moment you look back on as the point where you stopped guessing and started knowing.

But first…
The realisation that changed everything – and why it still hits home every time I hear a story like this.
You’ve probably experienced this before.
Maybe even dozens of times.

It's 9pm, you've closed the laptop later than you meant to and you want to eat a healthy dinner. 

Yet, you've got red wine in one hand, a half-drunk cup of coffee on the desk, and are staring into your fridge for something healthy to magically appear. 

Sound… all-too familiar? 

In my mind, there's nothing worse than knowing you want to look after yourself – and feeling like the day keeps winning. It can make you feel like your health is always the thing that gets pushed to tomorrow. 

Because you're performing at the highest level in every other area of your life – but when it comes to your own health, you're making decisions without fully understanding the consequences. 

The reassuring thing? 

You're not alone. 

I say that because I've worked with many high performers just like you who are trying to eat well enough, move enough, sleep enough – and not quite getting there, wondering whether the gap between how they feel and how they want to feel is just something they have to accept. 

It's the reason why, as a functional medicine health coach, I've been so determined to help you go from 'your bloods are fine' to actually understanding what's happening in your body – and what to do about it, before it becomes something you can't ignore. 

But before you can become one of the people who looks back and says 'that's when everything shifted', I need to clear a few things up.
With all the good intentions, the half-listened podcasts, and the nagging sense that you could be doing more – isn't it time you stopped accumulating information and started acting on your own data?
With the amount of hours you've spent trying to eat cleaner, move more, stress less, and sleep better, you deserve to actually know whether it's making a difference. 

You deserve to know what your biology is actually doing. 

You deserve to stop making decisions about your health based on population averages that were never designed for you. 

You deserve to feel as good as you're capable of feeling – for as long as possible. 

You deserve to stop wondering and start knowing. In a moment, I'm going to show you exactly how Decode makes that possible.

But first, there are a few things I wanna clear up…
Here are 4 freeing truths you’ve gotta realise if you want to be the best you can be
Myth: Feeling less sharp, less energetic, less resilient after 40 is just part of getting older – there's only so much I can do about it.

Truth: Hormonal shifts, metabolic changes, and the gradual erosion of energy and resilience are real – but they are not fixed. The research is clear that lifestyle changes made at the right time, targeting the right biological mechanisms, can slow and in many cases reverse what most people accept as inevitable. The question is not whether you can influence how you age. It's whether you're working from the right information to do it.

Myth: I don't have the time or energy for another thing on my plate – I might as well stick with what I'm doing.

Truth: Decode is not another thing on your plate. It is a process of understanding what your biology needs specifically – so that what you do choose to do actually moves the needle. Unfocused effort takes far more time and energy than a targeted protocol built around your results.

Myth: Precision health testing is for elite athletes – not for busy professionals.

Truth: Elite athletes use precision testing because they cannot afford to leave performance to guesswork. Neither can you. The difference is that for you, the performance that matters is sustained energy, sharp thinking, and long-term health – and the window to influence it is exactly where you are now.

Myth: I'll get to this when things slow down, I'm not at the point where I need to worry.

Truth: Insulin resistance, hormonal shifts, and cardiovascular changes develop silently in people who feel entirely fine. By the time there is an obvious reason to act, the window for prevention has already narrowed. The best time to look at this data is before you need to.

The good news is...

Feeling as good as you're capable of feeling for as long as possible is more achievable than you think
If you've made it this far, you already know that your biology is not fixed – and that how well you age has far more to do with your choices than your genes. 

I don't need to remind you of that :-) 

But maybe you didn't know that by becoming a Decode client, you'll also get to experience ALL of this...

A functional lab assessment – a sex-specific panel delivered as a home test kit

A 60-minute results interpretation session to understand exactly what your data means

A personalised supplement protocol matched to your specific results

Two follow-up coaching sessions to turn your protocol into lasting change

This is in reach for you, whether you've started to pay attention to your health or never looked beyond your annual blood test!

...but your results depend on taking an evidence-based approach. 

One that follows tried and true principles. 

One that works from your data, not population averages. 

And... One that translates what your biology is telling you into a protocol you can actually live with. 

And if you're nodding your head behind that screen of yours, then I couldn't be more excited to see you in Decode.
Hey there, I'm Tanja – Healthspan Coach and founder of Tanja Walser Coaching, where I help high performers in their 40s, 50s and beyond understand what their biology is actually doing – and build a plan to stay at their best for the long term.
I bring a 25-year career across the likes of Credit Suisse, IBM, and Google to the precision health work I do today – alongside advanced functional medicine training and a clear understanding that how well you age has far more to do with your choices than your genes.
I promise there are no quick fixes here – just evidence-based, personalised protocols that actually work, for people who are ready to stop guessing and start knowing.

Introducing...

Decode: Personalised Health Assessment & Coaching
Your 12-week personalised functional health assessment and coaching programme for people in their 40s, 50s and beyond who know something is shifting – and want to understand what their biology is actually telling them.
I've spent years working at the intersection of high performance and long-term health – with clients who are feeling their body change in ways their annual blood test can't explain, and are ready to stop accepting that as normal.
From those who are starting to feel the edges of something shifting... to those who have been told their bloods are fine one too many times... 

to those with a diagnosis they want to get ahead of... 

to those who are functioning well and want to make sure it stays that way... 

and more... 
Decode is a direct expression of my signature functional medicine health coaching – the same approach I use with my 1:1 clients, built into a structured assessment and coaching programme.
Here's what you get inside:

01.

Functional Lab Assessment
A sex-specific panel covering metabolic function, cardiovascular health, hormones, inflammation, thyroid, and nutritional status – delivered as a home test kit. So you're working from your actual data, not population averages.

02.

Results Interpretation Session
A 60-minute 1:1 deep dive into your results – what they mean for how you feel now, and where your biology is heading. 

This is where the numbers become a story specific to you.

03.

Personalised Supplement Protocol
Targeted recommendations matched to your specific results – because what your biology needs is not what everyone else's does. 

So every change you make is grounded in your data.

04.

Two Follow-Up Coaching Sessions
To implement your protocol, track early changes, and build the habits that compound across nutrition, movement, sleep, and stress physiology. Because even a personalised protocol without implementation doesn't move the needle.

Lab costs are invoiced directly and separately by the laboratory and vary by location.

Got questions? I’ve got answers!
  • Who is this for?
    Decode is for people in their 40s, 50s and beyond who are ready to understand what their biology is actually doing – whether you've started to notice something shifting or are functioning well and want to make sure it stays that way. If you've ever been told your bloods are fine and suspected that wasn't the whole story, this is for you.
  • Can I really influence my health this much through lifestyle changes?
    The research is clear that lifestyle changes made at the right time, targeting the right biological mechanisms, can slow and in many cases reverse what most people accept as inevitable. The difference between Decode and general health advice is that your protocol is built around your data – so every change you make is targeted.
  • How much time will this take each week?
    The lab assessment is a home test kit that takes around 15 minutes. The results interpretation session is 60 minutes. The two follow-up sessions are 60 minutes each. The protocol itself is designed to fit into your life – not to add to your plate.
  • What happens after I book?
    You will receive everything you need to complete your lab assessment at home. Once your results are back, we book your interpretation session. From there, your protocol and follow-up sessions are scheduled at a pace that works for you.
Decode is perfect for you if you know something is shifting, you're ready to understand what your biology is actually telling you, and you want a clear and personalised plan to act on it.
This is for you if:

 You're feeling your body change in ways you can't quite explain


You've been told your bloods are fine but know that isn't the whole story


 You're ready to stop guessing and start acting on your own data

This isn't for you if:

 You're looking for a quick fix rather than a personalised approach


 You already have a full picture of your biological health and a protocol to match


 You're not ready to act on what your data shows

If you want to start understanding what your biology is actually doing, you need Decode.

Truth is, you could keep staring into that fridge, coffee in one hand, half-empty wine glass in the other, willing healthy food to appear, wondering why you don't feel quite like yourself. 

Or, you could finally understand what your biology is doing – and have a clear, personalised plan to do something about it.

I know which option I'd prefer for you.

Stop guessing at your biology. Start acting on what it's actually telling you.
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  • 1xDecode: Personalised Assessment & Coaching£550
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All prices in GBP