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Welcome to Issue 28 of My Newsletter.

A few months ago, I spoke at the Paris Saint-Germain Sports Nutrition Conference.

I delivered my session after Professor James Morton, whose lecture focused on nutrition culture and the rules of the game in elite football.

It was one of those talks that stays with you because it named something many experienced practitioners recognise, but younger practitioners may not always fully appreciate:

Knowledge is necessary, but it is not enough.

James made the point clearly.

In high-performance environments, lack of knowledge is rarely the main problem.

Most practitioners already know far more than the athletes, coaches, and teams are currently applying.

The real challenge is delivery.

Getting the knowledge into the environment.
Getting buy-in.
Building trust.
Understanding the culture.
Working with the hierarchy.
Knowing who really influences behaviour.
Helping the athlete actually do the thing.

That message resonated strongly with me.

Because in sport, exercise, and fitness nutrition, we can easily overvalue the visible technical parts of practice.

The science.
The protocol.
The programme.
The spreadsheet.
The meal plan.
The supplement strategy.
The presentation.
The ability to “talk science.”

All of that matters.

But it is not the final differentiator.

The final differentiator is whether your work gets applied in a way that improves the outcome.

The evidence is not the intervention

A practitioner can know the literature inside out and still struggle to influence behaviour.

They can explain carbohydrate periodisation beautifully and still fail to change what the player eats.

They can design an excellent body composition strategy and still lose the client after two weeks.

They can create a highly detailed fuelling plan that no one follows.

They can deliver an impressive presentation that changes nothing.

They can be right and still be ineffective.

That can be difficult to accept.

Especially for practitioners who care deeply about science.

But the evidence is not the intervention.

The intervention is what happens when evidence, context, communication, trust, behaviour, environment, and timing all meet.

That is where practice lives.

Not in the paper alone.

Not in the plan alone.

Not in the practitioner’s knowledge alone.

But in the delivery.

Technical knowledge gets you credibility

This does not mean technical knowledge is unimportant.

It is essential.

You need to understand physiology, metabolism, training demands, body composition, recovery, hydration, supplementation, behaviour change, health, and scope of practice.

You need to understand the evidence.

You need to know when a recommendation is strong, weak, uncertain, inappropriate, or overhyped.

You need the competence to design appropriate strategies.

Without technical knowledge, delivery becomes charisma without substance.

And that is dangerous.

But technical knowledge is often the entry requirement.

It gets you into the conversation.

It gives you professional credibility.

It helps you know what should probably happen.

But it does not guarantee that it will happen.

That is the gap.

Delivery is where the work becomes real

Delivery is not just “soft skills.”

That phrase undersells it.

Delivery is applied expertise.

It includes:

Communication.
Relationship-building.
Timing.
Listening.
Education.
Trust.
Professional judgement.
Influence.
Cultural awareness.
Stakeholder management.
Adaptability.
Humility.
Persistence.
Implementation.

These are not extras.

They are not optional additions to the science.

They are the mechanisms through which the science becomes useful.

A practitioner who cannot deliver may know what should happen, but still fail to change anything.

A practitioner who can deliver well may take a simple intervention and make it work consistently.

That is why two practitioners can give similar advice and get very different outcomes.

The difference is often not the advice.

It is the delivery.

Culture determines what is possible

One of the most important parts of James Morton’s lecture was the emphasis on culture.

In elite football, nutrition does not happen in a vacuum.

It happens inside a culture.

A club culture.
A team culture.
A coaching culture.
A player culture.
A food culture.
A performance culture.
A hierarchy.
A set of assumptions about what matters.

The same is true outside football.

Every client has a culture.

Every gym has a culture.

Every sport has a culture.

Every family has a food culture.

Every workplace has norms around eating, body image, time, stress, alcohol, travel, and social life.

Every athlete brings beliefs shaped by childhood, family, sport, media, coaches, previous diets, religion, identity, and personal experience.

If you ignore that, your plan may be technically right and practically irrelevant.

You are not just changing nutrients.

You are working with people’s habits, beliefs, routines, identities, pressures, and environments.

That is why delivery requires more than telling people what the evidence says.

It requires understanding the world in which the advice has to live.

The most influential nutritionist may not be the nutritionist

One of the striking points from James’s talk was that in professional football, the head coach may be the most influential nutritionist in the building.

Not because the coach knows the most about nutrition.

But because the coach shapes the environment.

What gets prioritised.
What gets tolerated.
What gets reinforced.
What players take seriously.
What staff can implement.
What the daily rhythm allows.

If the coach is not aligned, the nutritionist is often working uphill.

That idea applies far beyond elite football.

For a youth athlete, the most influential nutritionist may be a parent.

For a recreational athlete, it may be a partner.

For a gym client, it may be their training group.

For a team, it may be the head coach.

For a corporate client, it may be the workplace environment.

For a student athlete, it may be the accommodation, timetable, or social group.

For a client trying to lose weight, it may be the household food environment.

The practitioner may have the technical expertise.

But other people and systems may have the influence.

Good delivery means identifying those forces.

Not pretending they do not exist.

The plan is not enough

A good plan matters.

But the plan is not enough.

A plan does not feed the athlete if the food is unavailable.

A plan does not change behaviour if the client does not believe it matters.

A plan does not survive if it ignores work, family, travel, appetite, culture, budget, preferences, or routine.

A plan does not improve adherence if it feels like punishment.

A plan does not reduce confusion if the practitioner cannot explain it clearly.

A plan does not change a team environment if the coach is not bought in.

A plan does not build trust if the practitioner does not listen.

The plan is only one part of the intervention.

The delivery system around the plan often determines whether it works.

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Figure 28. From Knowledge to Outcome. Technical knowledge informs the plan, but delivery determines whether the plan becomes useful action in the real world.

“Talking science” is not the same as practising well

Many practitioners feel pressure to sound scientific.

That is understandable.

Science matters.
Evidence matters.
Professional credibility matters.

But talking science is not the same as practising well.

A client may not need a detailed explanation of AMPK, mTOR, glycogen resynthesis, or protein kinetics.

They may need to understand why breakfast matters before morning training.

An athlete may not need a lecture on carbohydrate oxidation.

They may need a simple match-day fuelling routine they trust and can repeat.

A coach may not need the entire evidence base.

They may need to understand why changing the meal timing could improve training quality.

A team may not need more information.

They may need better systems.

Good communication does not mean dumbing down.

It means making the right level of information useful to the right person at the right time.

That is difficult.

And it is a skill.

Delivery is different for each setting

The way you deliver nutrition support changes depending on the environment.

In elite football, delivery may involve coaches, chefs, performance staff, medical staff, players, agents, and club culture.

In private practice, delivery may involve the client’s home, work schedule, family, budget, stress, food skills, and readiness to change.

In fitness nutrition, delivery may involve training goals, body image, social media influence, gym culture, adherence, and lifestyle.

In endurance sport, delivery may involve training volume, gut tolerance, event fuelling, travel, and recovery.

In youth sport, delivery may involve parents, safeguarding, growth, education, and long-term development.

In each case, the evidence matters.

But the delivery problem is different.

The mistake is assuming the same advice can be delivered in the same way everywhere.

It cannot.

The practitioner as translator

A good practitioner is not just a source of information.

They are a translator.

They translate evidence into decisions.

They translate complex science into practical meaning.

They translate goals into behaviours.

They translate plans into routines.

They translate uncertainty into responsible action.

They translate what the athlete or client says they want into what they may actually need.

They translate across stakeholders.

Researcher to coach.
Coach to athlete.
Athlete to chef.
Parent to practitioner.
Client to environment.
Plan to action.

That translation role is where credibility becomes useful.

Not just knowing.

But helping.

Outcomes are the real test

In applied nutrition, we are ultimately judged by whether our work helps.

Not whether the plan looked impressive.

Not whether the spreadsheet was advanced.

Not whether the consultation sounded scientific.

Not whether the presentation was full of references.

Not whether we knew the most in the room.

The real test is whether the work contributed to a better outcome.

Did the athlete eat more appropriately?
Did the client understand what to do?
Did training quality improve?
Did adherence improve?
Did recovery improve?
Did confusion reduce?
Did the team environment improve?
Did the strategy survive real life?
Did the person feel more confident and capable?
Did the plan lead to meaningful progress?

Outcomes are not always perfectly measurable.

And, as I have discussed in recent issues, outcomes can be misleading if we interpret them too simplistically.

But the direction still matters.

Good practice is not about showing how much you know.

It is about using what you know to help people move forward.

What delivery requires

Delivery requires skills that are not always emphasised enough in nutrition education.

Knowing the science matters.

But practitioners also need to develop:

How to ask better questions.
How to listen properly.
How to map the environment.
How to identify who influences behaviour.
How to communicate with different stakeholders.
How to simplify without distorting.
How to build trust.
How to work with resistance.
How to adapt the plan.
How to review whether implementation actually happened.
How to influence without overstepping.
How to stay humble when the environment teaches you something.

These skills take time.

They are developed through practice, reflection, feedback, and exposure to real-world complexity.

They are also why early-career practitioners should not feel inadequate just because they cannot yet deliver like someone with twenty years of experience.

Delivery develops.

But only if we take it seriously.

Applied Practice Takeaways

If you want your nutrition knowledge to create better outcomes, ask:

1. Who needs to buy into this?​
The client or athlete matters, but so do coaches, parents, partners, chefs, teammates, training groups, and environments.

2. What is the culture I am working within?​
Beliefs, routines, norms, hierarchy, language, identity, and past experiences all shape nutrition behaviour.

3. Is the plan deliverable?​
A technically correct strategy is not useful if the person cannot understand, access, trust, or repeat it.

4. Am I communicating at the right level?​
The goal is not to sound impressive. The goal is to make the message useful.

5. Did the knowledge become action?​
Review implementation, not just intention. If the plan was not applied, the delivery system needs attention.

The practical point

Knowledge matters.

Without it, practice becomes shallow, risky, and overconfident.

But knowledge alone is not enough.

In the real world, the differentiator is delivery.

Can you understand the culture?
Can you build trust?
Can you influence the right people?
Can you communicate clearly?
Can you adapt the science without losing the principle?
Can you help the person actually do the thing?

That is where outcomes are shaped.

Knowledge may get you in the room.

But delivery keeps you there.

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To better practice,
​Dr Laurent Bannock