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Weight management guide

Coaching and motivation: how to help your clients stay on track

Reviewed by Dr. Daniel Wallerstorfer, molecular biologist and founder of Novogenia · Updated: 15 October 2026 · Reading time: 9 min

In short

In weight loss, what matters most is how well someone sticks with it: in a trial comparing four diets, weight loss was linked to adherence, not to the type of diet. A personal reason strengthens adherence – in the NOW trial, participants who received gene-based advice stuck to fat recommendations better in the long term. Add motivational interviewing, small concrete goals, self-monitoring and regular check-ins.

The strongest lever is sticking with it

Low-carb, low-fat, calorie counting or balanced macronutrients – which diet wins? A randomized trial with 160 adults with overweight compared four popular diets over one year (Dansinger et al., JAMA, 2005). The most interesting finding was not the winner. How much weight people lost was clearly linked to how well they said they had stuck to their diet – not to the type of diet.

That is good news for your work, because sticking with it can be encouraged. Think of motivation as a campfire: the genetic analysis can light it. It keeps burning when someone adds wood regularly – with appointments, good questions and small successes that become visible. You bring the wood.

A personal reason makes the difference

What helps people stick with it? A reason that truly belongs to them. In the Canadian NOW trial with 140 participants, an established group weight-management program ran in two versions – the standard format and one with added gene-based nutrition advice. Only the group with genetic counseling significantly reduced its fat intake by the 12-month follow-up, and it adhered better to recommendations on total and saturated fat in the long term (Horne et al., BMJ Nutrition, Prevention & Health, 2020).

Two more studies support the picture. In the European Food4Me study, participants who received personalized nutrition advice changed their diet more than those given general recommendations (Celis-Morales et al., International Journal of Epidemiology, 2017). And students who received their FTO result on top of weight-control advice were more ready to control their weight – with no signs of genetic fatalism (Meisel et al., Obesity, 2015).

For your counseling, this means: use the genetic result as a conversation opener and as a personal reason for every step. The recommendations drawn from it remain logical conclusions – they unfold their full power in conversation with you. How to explain the report clearly is covered in Explaining a genetic report clearly.

Motivation that comes from within

What do people who succeed in weight programs have in common? A systematic review of 35 studies looked at exactly that (Teixeira et al., BMC Medicine, 2015). For medium- and long-term success, five traits stood out:

Their own reasons: motivation that comes from the person, not from outside pressure.
Confidence: trust in their ability to overcome obstacles.
Self-regulation: skills such as self-monitoring.
Flexible rules: a flexible rather than rigid approach to eating.
A positive body image.

One conversation style that strengthens exactly these traits is motivational interviewing: you ask rather than lecture, and help your client resolve their own back-and-forth between “I want to” and “I don’t feel like it.” A meta-analysis of eleven randomized trials shows that participants receiving motivational interviewing lost on average 1.47 kg more weight than the comparison groups (Armstrong et al., Obesity Reviews, 2011).

Three questions that bring out your client’s own reasons: “Why does this matter to you right now?” – “What would be different in your daily life once you reach your goal?” – “On a scale of 1 to 10, how confident are you that you can take the first step, and what would move you one point higher?”

Phrases that carry

Small choices of words make a big difference. Here is how to translate the research into your conversations:

Instead of	Try	Why
“You have to eat less in the evening.”	“Which of these do you feel ready to try this week?”	strengthens own reasons and confidence
“Your genes are to blame.”	“Your genes explain why this is harder for you – and they show where you can make the biggest difference.”	removes guilt without offering an excuse
“That didn’t work again.”	“What went well this week, and what was difficult?”	shifts the focus to solutions
“No more sweets starting tomorrow.”	“What rule would feel doable for you?”	flexible rather than rigid
“You need more discipline.”	“Let’s set up your daily routine so it works for you.”	structure instead of willpower

Realistic goals: small, concrete, measurable

“Slim by summer” is a wish, not a plan. Good goals describe a behavior your client controls: “a filling dinner with vegetables and protein on three evenings a week” or “a 15-minute walk after lunch.” Goal-setting is one of the tools that a large review of reviews linked to more effective programs (Greaves et al., BMC Public Health, 2011).

One or two goals at a time: a few changes that succeed beat a long list.
Behavior before the scale: weight is the result – behavior is what your client can steer.
Matched to the genetic profile: if the report shows that exercise is a strong lever for your client, an exercise goal comes first.
Checkable: every goal has a measurement for the next appointment.

Weight is lost not in the counseling room but at the family table, in the cafeteria and at dinner with friends. In the review by Greaves and colleagues, engaging social support increased the effectiveness of programs. For your coaching, this means:

Find allies: ask who can support your client in daily life – a partner, a colleague, a workout buddy.
Together rather than alone: a walk for two or a shared cooking night turns a goal into a joint project.
Use group formats: if you coach several clients, a group session can encourage exchange – without anyone having to disclose their measurements.

Check-ins: a rhythm that carries

Regular contact is one of the factors Greaves and colleagues linked to more effective programs. Between appointments, self-monitoring helps. Regular self-weighing, for example, was associated with more weight loss in a systematic review of 17 studies – and not with adverse psychological outcomes such as depression or anxiety (Zheng et al., Obesity, 2015). In another study, participants who weighed themselves every day adopted more weight-control behaviors than those who weighed themselves on most days (Steinberg et al., Journal of the Academy of Nutrition and Dietetics, 2015). The scale becomes a compass, not a judge.

You decide how often you meet. One possible pattern: closer at the start, less frequent later. A check-in can run like this:

Look back: What worked? Acknowledge that first.
Data: weight, waist circumference, logs – as information, not as a verdict.
Obstacles: Where did things get stuck? Which situations were difficult?
Adjust: keep a goal, adapt it, or add a new one.
Next appointment: set the date before your client leaves.

If you work with personalized supplements, the reorder is a natural occasion for a conversation: has anything changed in diet, training or weight? Are there new blood values?

Setbacks are part of it

A weekend with a party, a stressful week, a cold – setbacks happen to everyone. What matters is how you talk about them. A flexible approach to eating was among the traits of successful participants in the review by Teixeira and colleagues. So plan with your client in advance how to get back on track after a slip, for example with one fixed habit they keep even in difficult weeks. Why weight tends to come back after a diet, and how to counter it, is explained in Avoiding the yo-yo effect.

When motivation is not the answer

Sometimes there is more behind a plateau than a lack of motivation. Watch for warning signs: signs of an eating disorder such as binge eating or vomiting, a marked fear of eating, persistent low mood, new medications or unexplained symptoms. In that case, the topic belongs in a physician’s hands – raise it openly and respectfully and refer your client. When exactly that applies is described in Boundaries: when a physician is needed.

Checklist for your coaching

Expectations and motivation are clarified in the first session – with your client’s own reasons.
The genetic result is translated into a personal reason within the plan.
One or two behavior goals are agreed and measurable.
Self-monitoring is discussed: logs, weighing, exercise.
The people around your client are involved: who supports them in daily life?
Check-ins follow a fixed routine and are in the calendar.
Setbacks are planned for, including how to get back on track.
You ask rather than lecture, and you avoid assigning blame.
You know the warning signs of medical issues and where to refer.

Frequently asked questions

How often should I see my clients?

There is no fixed rule. In research, more frequent contact was linked to more effective programs. One possible pattern: closer contact at the start, less frequent later – and not stopping entirely once the goal is reached.

Does knowing their genes help clients stay on track?

The studies are encouraging: in the NOW trial, participants who received gene-based advice stuck to fat recommendations better in the long term, and students who knew their FTO result were more ready to control their weight. The recommendations from the genetic analysis remain logical conclusions – they unfold their power in your coaching.

Should my clients weigh themselves regularly?

For many, it helps: in a systematic review, regular self-weighing was associated with more weight loss and not with adverse psychological outcomes such as depression or anxiety. This does not apply if there are signs of an eating disorder – in that case, the topic belongs in a physician’s hands.

What is motivational interviewing?

A conversation style in which you ask rather than lecture and help your client resolve their own back-and-forth between “I want to” and “I don’t feel like it.” A meta-analysis of randomized trials shows that programs using motivational interviewing led to more weight loss than the comparison groups.

What do I do if a client is not losing weight despite the plan?

Look at the logs and daily life together, acknowledge what is already working, and switch levers if needed – for example, from diet to exercise. If there are signs of a medical cause, new medications or an eating disorder, refer your client to a physician.

A weight program with genetic analysis?

Tell us about your offer and your clients – we will show you how the genetic analysis complements your program.

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Note: This guide is general information for businesses and professionals and does not replace medical or legal advice. The genetic traits determined in a genetic analysis are well documented (each gene included is backed by at least three independent studies); recommendations derived from them are logical conclusions, not scientifically proven. Regulations can change; errors and changes excepted.