How to Choose a Nutritional Therapist in London

How to Choose a Nutritional Therapist in London: 7 Things to Check

If you try searching for a "nutritional therapist London" you'll undoubtedly get hundreds of names, glossy Instagram grids and a lot of promises. Some of those practitioners have years of clinical training. Some did a weekend course. From the outside, it can be very hard to tell the difference.

And that matters a lot, because you're trusting this person with your health. So by the end of this post you'll know exactly what to check before you book anyone for nutritional therapy, including me, so you can choose with confidence rather than guesswork.

1. Are they registered with the CNHC?

This is the first thing I'd check, and it takes two minutes. In the UK, "nutritionist" isn't a protected title, so anyone can use it. "Dietitian" is protected by law and requires HCPC registration, but nutritional therapy sits in a different space.

The safeguard for nutritional therapy is the Complementary and Natural Healthcare Council (CNHC). Its register is accredited by the Professional Standards Authority, which is accountable to Parliament. A CNHC-registered nutritional therapist has met national training standards, holds insurance and follows a code of conduct. You can search the register by name on the CNHC website before you book.

2. Are they a member of BANT?

BANT (the British Association for Nutrition and Lifestyle Medicine) is the professional body for nutritional therapists. Its practitioner members must be CNHC-registered, keep up ongoing professional development and follow a strict code of ethics.

Why does ongoing training matter so much? Nutrition science moves quickly. What we understood about the gut microbiome ten years ago looks very different today, and you want someone who keeps up with it. Look for "mBANT" after their name.

3. What clinical training do they have?

Registration tells you someone has met the minimum standard. Training tells you how they think. Look for a recognised diploma or degree in nutritional therapy (mine is from the Institute for Optimum Nutrition), and then ask what they've done since.

This is where functional medicine training comes in. The Institute for Functional Medicine (IFM) certification involves advanced clinical modules, a case write-up and an exam. It trains practitioners to look for the root cause of symptoms rather than managing each one in isolation.

Very few UK practitioners hold both a CNHC-registered nutritional therapy qualification and functional medicine certification, and in my experience the combination changes how you approach complex cases. I've written more about the difference between a nutritional therapist and a functional medicine practitioner if you'd like the detail.

4. Do they specialise in what you need?

A good nutritional therapist will be honest about where they're strongest. If you're dealing with bloating and suspected SIBO, you want someone who works with gut health every week, not someone whose main focus is sports performance.

Have a look at their blog, their case studies and the conditions they talk about most. Mine tend to centre on gut health, immunity, hormones and fatigue, because that's where most of my clients come to me. If a practitioner claims to specialise in everything, be a little cautious.

5. How do they use testing?

Functional testing can be incredibly useful. A comprehensive stool test, a DUTCH hormone test or an advanced blood panel can show you what's actually happening, rather than what we suspect is happening.

But testing should never be a sales tool. A good practitioner will only recommend a test if the result would change what you do next. Ask them how they decide which tests to run, which labs they use, and whether they'll go through the results with you properly. I interpret results against optimal ranges, not just the standard reference ranges, which is often where "your bloods are fine" and "I still feel awful" part ways. You can see the functional medicine tests I use on my testing page.

6. Are the fees clear before you start?

You shouldn't have to book a call to find out what something costs. A reputable nutritional therapist will tell you the price of the initial consultation, follow-ups and any programmes up front, and will be clear that testing and supplements are separate.

In London, initial consultations vary widely, from around £100 to over £400, depending on the practitioner's experience and how long the session is. Cheaper isn't always worse and expensive isn't always better. What matters is what's included. I've broken this down in more detail in my guide to how much a nutritional therapist costs in the UK.

7. Can you see them in person, online, or both?

If you're in London, it's tempting to assume in-person is always better. For most people, it isn't. Nearly everything we do in a consultation (the detailed health history, reviewing test results, building your plan) works just as well on a video call, and saves you a journey across town.

That said, some people simply prefer sitting in the same room, and that's completely valid. I see clients in person in North London and online across the UK and sometimes even internationally across different time zones, so you can choose what suits you.

A quick checklist before you book

• CNHC-registered (check the register yourself)

• BANT member (mBANT)

• A recognised nutritional therapy qualification, ideally with advanced training such as functional medicine

• Experience with your specific health concern

• A clear, evidence-led approach to testing

• Transparent fees

• Works alongside your GP rather than instead of them

  
  

That last point is really important. A good nutritional therapist doesn't diagnose or treat disease, and will always refer you back to your GP if something needs medical investigation.

The right nutritional therapist should leave you feeling heard in the first conversation, not sold to. If you'd like to see whether we're a good fit, book a free discovery call with me and tell me what's going on. It's 15 minutes, there's no obligation, and you'll come away knowing whether I'm the right person to help.