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Welcome to Issue 25 of My Newsletter.

A lot of fitness and nutrition practitioners quietly wonder whether they are enough. For a long time that included me!

Experienced enough.
Qualified enough.
Confident enough.
Academic enough.
Lean enough.
Visible enough.
Specialist enough.
Successful enough.

They look at other people in the field and start comparing.

Someone has a doctorate.
Someone went to a famous university.
Someone works with elite athletes.
Someone has published more papers.
Someone speaks at major conferences.
Someone looks the part physically.
Someone has a bigger audience.
Someone seems more confident online.
Someone appears to have built the perfect career.

And then the quiet thought appears:

Maybe I do not belong here.

This is not uncommon.

It is especially common in fields like sport, exercise, and performance nutrition, where science, practice, education, physique, reputation, social media, and status can all become tangled together.

But credibility is more complex than it looks.

And authority is not built from one signal alone.

What we see is not the whole picture

It is easy to compare ourselves with what is visible.

Job titles.
Degrees.
University names.
Publications.
Social media profiles.
Conference stages.
Client lists.
Athletic appearance.
Media appearances.
Follower counts.
Professional biographies.

These things can matter.

Some are legitimate markers of expertise, training, or experience.

But they are not the whole story.

They do not show the practitioner’s private doubts.
They do not show the mistakes they made on the way.
They do not show the support they had.
They do not show the opportunities they were given.
They do not show the luck involved.
They do not show the quiet years of work.
They do not show the clients they failed to help.
They do not show the relationships, timing, circumstances, or privileges that shaped their path.

What we see is usually the edited version.

The visible signal.

The polished outcome.

The external marker.

But reputation is not the same as reality.

And comparison becomes dangerous when we compare our internal uncertainty with someone else’s external presentation.

Credentials matter, but they are not everything

Qualifications matter.

Education matters.

Standards matter.

Professional development matters.

In nutrition, this is especially important because poor advice can cause harm, and because practitioners need a strong foundation in science, ethics, scope of practice, and applied reasoning.

So this is not an argument against qualifications.

It is not an argument against postgraduate study, registration, accreditation, research training, or academic development.

Those things can be extremely valuable.

But credentials are not the only source of credibility.

And they are not a guarantee of good practice.

A doctorate does not automatically make someone a good practitioner.

A famous university does not automatically make someone a good communicator.

A long publication list does not automatically mean someone can support a real person through a messy applied problem.

A professional title does not automatically create trust.

Credentials can open doors.

They can signal commitment, training, and expertise.

But what happens after that still matters.

Can you listen?
Can you assess the problem?
Can you communicate clearly?
Can you adapt evidence to context?
Can you build trust?
Can you stay within your scope?
Can you help people implement change?
Can you review outcomes honestly?
Can you keep learning?

That is where credibility becomes practical.

Looking the part is not the same as being useful

In fitness and performance spaces, appearance can become another credibility trap.

Practitioners may feel pressure to look a certain way.

Lean.
Muscular.
Athletic.
Disciplined.
Energetic.
Visibly “healthy.”
A walking advert for their own advice.

Of course, there is nothing wrong with being fit, athletic, or proud of your own health and performance.

But looking the part is not the same as being competent.

A six-pack does not prove someone understands metabolism, behaviour change, performance fuelling, body composition, female physiology, eating disorders, energy availability, supplementation, or applied nutrition practice.

A lean physique does not prove someone can coach responsibly.

An impressive transformation does not prove someone can help others safely and sustainably.

And not looking like a fitness model does not mean someone lacks credibility.

Clients and athletes are not helped by your abdominal definition.

They are helped by your ability to support the outcome they care about in a way that is appropriate, ethical, realistic, and evidence-informed.

How you live matters.

Professionalism matters.

Health behaviours matter.

But physique is a very poor proxy for practitioner quality.

Authority comes in many guises

Some practitioners build authority through academic work.

Some through elite sport experience.

Some through clinical skill.

Some through excellent communication.

Some through education.

Some through consistent client results.

Some through mentoring.

Some through research translation.

Some through deep specialisation.

Some through years of quiet, reliable, ethical practice.

Some through being the person others trust when the situation is difficult.

Not all authority is loud.

Not all credibility is visible.

Some of the best practitioners are not especially interested in self-promotion.

They may not have huge audiences.

They may not have the most polished personal brand.

They may not have the most impressive public profile.

But they are trusted.

By athletes.
By clients.
By colleagues.
By teams.
By students.
By other practitioners.

That kind of reputation often develops slowly.

It is built through consistency.

Doing good work.
Being reliable.
Being honest.
Knowing your limits.
Helping people get results.
Communicating clearly.
Treating people well.
Staying professional when no one is watching.

That is authority too.

Reputation is built in layers

Reputation is rarely built from one thing.

It is layered.

Knowledge.
Qualifications.
Experience.
Communication.
Judgement.
Results.
Ethics.
Relationships.
Consistency.
Visibility.
Trust.

Some practitioners have more of one layer than another.

That is normal.

A newer practitioner may not yet have decades of experience, but may have strong education, humility, and excellent communication.

An experienced practitioner may not have a doctorate, but may have deep applied judgement earned through years of helping people.

An academic may have strong research expertise, but need to keep developing applied communication.

A highly visible practitioner may have reach, but still need to demonstrate depth.

A quiet practitioner may have depth, but need to communicate their value more clearly.

The question is not:

Do I have every possible credibility signal?

Almost nobody does.

The better question is:

Which layers of credibility am I building, and which ones need strengthening next?

Figure 25. Credibility Is Built in Layers. Practitioner credibility is not based on one signal alone. It develops through knowledge, qualifications, experience, communication, judgement, ethics, results, relationships, and trust.

Imposter feelings are not always a sign you are in the wrong place

Feeling like an imposter does not automatically mean you are underqualified.

Sometimes it means you care.

Sometimes it means you are aware of what you do not yet know.

Sometimes it means you are entering a more demanding environment.

Sometimes it means you are comparing yourself with people further along the path.

Sometimes it means your standards are rising.

That said, imposter feelings should not simply be ignored.

They can be useful information.

They may point to a genuine development need.

More knowledge.
More practice.
More supervision.
More mentoring.
More experience.
More confidence in communication.
More clarity around scope.
More evidence appraisal.
More applied case exposure.

The goal is not to pretend you are already complete.

The goal is to distinguish between:

I am not good enough

and

I am still developing

Those are very different statements.

The first can shut you down.

The second can move you forward.

Confidence should be earned, not performed

There is a kind of confidence that is mostly performance.

It looks good online.

It speaks in absolutes.

It rarely says “I don’t know.”

It makes simple claims about complex topics.

It gives people the impression that certainty is the same as expertise.

But good practitioner confidence is different.

It is quieter.

It is grounded.

It is willing to explain uncertainty.

It is clear about scope.

It can say, “this is what we know,” “this is what we do not know,” and “this is what seems most appropriate given the context.”

That kind of confidence is earned through repeated exposure to real problems.

It grows from preparation, reflection, feedback, and honest practice.

Not from pretending to know everything.

In fact, one of the signs of a credible practitioner is not that they always have an immediate answer.

It is that they know how to arrive at a better one.

You are judged by the help you provide

Ultimately, practitioners are not judged only by what they look like, where they studied, or what certificates they have on the wall.

Those things may shape first impressions.

But they do not sustain credibility on their own.

Over time, you are judged by the help you provide.

Can you help a client make progress?
Can you support an athlete more effectively?
Can you explain things clearly?
Can you reduce confusion?
Can you create a plan that works in real life?
Can you adapt when it does not?
Can you collaborate with others?
Can you be trusted?
Can you stay ethical?
Can you keep learning?

That is the work.

The visible signals may get attention.

But useful work builds reputation.

The comparison trap

Comparison is not always bad.

Seeing excellent practitioners can be motivating.

It can show what is possible.

It can raise standards.

It can highlight gaps.

It can encourage further development.

But comparison becomes harmful when it is vague, constant, and unfair.

If you compare your early stage to someone else’s mature career, you will almost always feel behind.

If you compare your private uncertainty to someone else’s public confidence, you will almost always feel inadequate.

If you compare your whole self to someone else’s strongest signal, you will almost always lose.

A better form of comparison is more specific.

What can I learn from this person?
What skill do they have that I could develop?
What part of their path is relevant to mine?
What do I admire that aligns with my values?
What am I assuming about them that I cannot actually know?

Comparison should inform development.

It should not define worth.

What to build instead

If you want to build credibility, focus on the things that compound.

Read consistently.
Practise carefully.
Reflect honestly.
Communicate clearly.
Develop your professional network.
Seek feedback.
Stay within scope.
Study the fundamentals.
Understand behaviour, not just physiology.
Keep improving your ability to apply evidence.
Document your work.
Learn from outcomes.
Treat people well.
Be reliable.
Do what you said you would do.

None of this is glamorous.

But it works.

Because reputation is not only built by big moments.

It is built through repeated signals of trustworthiness.

Applied Practice Takeaways

If you find yourself comparing your credibility with others, ask:

1. What am I comparing?​
Am I comparing knowledge, experience, qualifications, physique, visibility, confidence, or public status?

2. Is this comparison fair?​
Am I comparing my current stage with someone much further along, or my private doubts with their public image?

3. What credibility layers am I already building?​
Knowledge, communication, ethics, reliability, client results, relationships, judgement, and consistency all matter.

4. What genuinely needs development?​
Use discomfort as information. Identify the next skill, knowledge area, or experience gap to work on.

5. How can I become more useful?​
Credibility grows when you help people well, communicate clearly, act ethically, and keep improving.

The practical point

Credibility is not always what it looks like.

It is not built from one degree, one physique, one job title, one client, one post, one publication, or one public signal.

It is built in layers.

Some visible.

Some invisible.

Some academic.

Some practical.

Some relational.

Some earned quietly over time.

So do not ignore qualifications, standards, or professional development.

They matter.

But do not assume you need every external marker before you can do good work.

And do not assume that everyone who looks more credible from the outside is necessarily doing better work on the inside.

Your job is not to become a copy of someone else’s authority.

Your job is to build your own credibility through useful, ethical, evidence-informed practice.

One client, one conversation, one decision, and one outcome at a time.

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To better practice,
​Dr Laurent Bannock