Weight Management
You've tried countless diets that left you hungry and frustrated
Lose weight eating foods you love, never feeling hungry
Hover to see the solutionOur approach
The Diaeta Method
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Transform your health
Never Feeling Hungry
Whether you're looking to manage your weight, digestion, blood sugar or cholesterol — our scientific approach works with your body, not against it.
Our patients NEVER feel hungry and ONLY eat food they find delicious.
0 Forbidden Foods
100% Personalized
Health Insurance Reimbursed
4 Specializations
Discover
Your Journey
This Is Not a Diet. It's a Transformation.
Whatever your health concern, our approach remains the same: work with your body, not against it.
We understand.
Restrictive diets have exhausted you. Food restrictions have frustrated you. Quick-fix promises have disappointed you. You deserve an approach that respects your tastes, your life, and your body.
Digestive Health
You avoid going out and restaurants for fear of symptoms
Regain your food freedom with a personalized FODMAP plan
Hover to see the solutionOur approach
Blood Sugar Control
You constantly monitor what you eat without really understanding the impact
Master your blood sugar while enjoying varied, pleasant meals
Hover to see the solutionOur approach
Cardiovascular Health
You fear every medical result and feel limited in what you can eat
Improve your lipid markers with a delicious Mediterranean approach
Hover to see the solutionOur approach
GLP-1 Support
You're taking medication but don't know how to optimize its effectiveness
Maximize the benefits of your treatment with adapted nutrition
Hover to see the solutionOur approach
Nutrigenetics
You follow generic advice that doesn't work for you
Discover exactly what YOUR body needs through your genes
Hover to see the solutionOur approach
Our Method
4 Universal Pillars For All Your Goals
Whether you come for weight loss, IBS management, diabetes control or cholesterol improvement — these principles guide every personalized plan.
01
Unique like you
Science-Guided Personalization
Your body is unique. What works for your neighbor may not work for you. We analyze YOUR responses and continuously adapt.
- Plans built around YOUR food preferences
- Continuous adaptation based on your results
- Cutting-edge technology to measure your progress
- Respect for your pace and social life
Weight loss: Deficit adapted to YOUR metabolism
IBS: Personalized elimination and reintroduction
Diabetes: Blood sugar control following YOUR patterns
Cholesterol: Approach adapted to your risk factors
02
Never hungry
Satiety Without Compromise
You should NEVER be hungry. Hunger triggers hormones that sabotage your goals. Our approach keeps you naturally satisfied.
- Satisfying meals with the right balance
- Strategic timing to avoid cravings
- Satiety signals naturally respected
- Protein and fiber optimized for fullness
Weight loss: Natural reduction without counting
IBS: Tolerated satisfying foods identified
Diabetes: Stable blood sugar = fewer cravings
GLP-1: Nutrition adapted to reduced appetite
03
Evidence-based
Scientifically Validated Protocols
Every recommendation is based on peer-reviewed studies. No fads, no myths — just what really works.
- Monash University certified FODMAP
- Mediterranean approach validated for cardiovascular health
- Evidence-based glycemic management
- Following the latest nutrition research
Weight loss: Proven anti-yo-yo methods
IBS: 3-phase Monash protocol
Diabetes: ADA/EASD guidelines integrated
Cholesterol: Portfolio Diet studies applied
04
Never alone
Continuous Expert Support
You're never alone. Regular consultations, personalized adjustments, and an expert by your side at every step.
- Regular follow-up with your dietitian
- Real-time adjustments based on your progress
- Support between consultations
- Coordination with your medical team
Weight loss: Through maintenance and beyond
IBS: Support at every FODMAP phase
Diabetes: Liaison with your diabetologist
GLP-1: Continuous treatment optimization
These 4 pillars work together to create a nutritional approach that works WITH your body, not against it. That's why our patients succeed where traditional diets fail.
Our Specializations
Targeted Expertise For Your Specific Need
Each condition requires specific expertise. Discover the approach suited to your situation.
Weight Management
Our approach revolutionizes weight loss: you eat what you love, you're never hungry, and results last.
No obsessive calorie counting
All your favorite foods included
Progressive and lasting weight loss
Personalized support through maintenance
95% of diets fail. Our approach works WITH your biology, not against it.
Each specialization benefits from our 4 universal pillars: personalization, satiety, science and support.
View all our servicesProven Results
Real, Measurable Transformations
The science behind our method, and the stories of those who experienced it.
What Our Patients Say
Weight Management
“I thought I had to be hungry to lose weight. Three months later, I lost 8 kilos eating more than ever — and enjoying every meal.”
M
Marie, 42
-8 kg in 3 months
Based on Science
Peer-reviewed studies supporting our approach
Each recommendation is based on research published in leading scientific journals.
Your Journey
What Your Transformation Looks Like
Each journey is unique, but here are the typical stages our patients experience.
Each journey is unique
These timelines are indicative. Some patients progress faster, others prefer a gentler pace. We always adapt to YOU.
Is This For You?
Is This Approach Right For You?
We only work with people ready to transform their lives. Here's how to know if it's the right time.
It's for you if...
- You're ready for lasting change, not a quick fix
- You want to understand your body rather than fight it
- You're tired of diets that leave you hungry and frustrated
- You want to eat better without giving up what you love
- You're open to a science-based, personalized approach
It's not for you if...
- You're looking for a miracle solution without effort
- You prefer a prescriptive, one-size-fits-all approach
- You're not ready to invest in your long-term health
- You're not open to professional guidance
Not sure yet? That's normal.
The first consultation is a free discovery call where we assess together if this approach suits your needs. No commitment, no pressure.
Schedule a free discovery callWhy Trust Us?
A Foundation of Scientific Credibility
Our method is based on evidence, not trends.
NIHDI Registered
Official recognition by Belgian healthcare system. Your consultations are eligible for reimbursement.
Years of Experience
Helping patients transform their relationship with food through personalized, evidence-based nutrition.
Complete Confidentiality
Your health data is protected with the highest standards of privacy and professional discretion.
9 Brussels Locations
Conveniently located clinics across Brussels, plus video consultations for complete flexibility.
Meet Your Dietitian
Pierre Abou-Zeid • NIHDI Registered
Living with Type 2 diabetes daily, I understand what it means to face nutritional challenges every day. This lived experience shapes every recommendation I make — because I never prescribe anything I haven't tested myself.
NIHDI Certified
Monash FODMAP Trained
4 Languages Spoken
Personal Diabetes Experience
Scientific References
14 peer-reviewed studies support our approach
- 1
Fothergill E, Guo J, Howard L, et al. (2016). Persistent metabolic adaptation 6 years after "The Biggest Loser" competition. Obesity, 24(8):1612-1619.
DOI: 10.1002/oby.21538 - 2
Sumithran P, Prendergast LA, Delbridge E, et al. (2011). Long-term persistence of hormonal adaptations to weight loss. New England Journal of Medicine, 365(17):1597-1604.
DOI: 10.1056/NEJMoa1105816 - 3
Zeevi D, Korem T, Zmora N, et al. (2015). Personalized nutrition by prediction of glycemic responses. Cell, 163(5):1079-1094.
DOI: 10.1016/j.cell.2015.11.001 - 4
Klok MD, Jakobsdottir S, Drent ML (2007). The role of leptin and ghrelin in the regulation of food intake and body weight in humans: a review. Obesity Reviews, 8(1):21-34.
DOI: 10.1111/j.1467-789X.2006.00270.x - 5
Weigle DS, Breen PA, Matthys CC, et al. (2005). A high-protein diet induces sustained reductions in appetite, ad libitum caloric intake, and body weight despite compensatory changes in diurnal plasma leptin and ghrelin concentrations. American Journal of Clinical Nutrition, 82(1):41-48.
DOI: 10.1093/ajcn/82.1.41
These references support our general approach. Individual results may vary. Always consult a healthcare professional for personalized advice.
Ready to Start?
Your Transformation Starts Here
In a few weeks, you'll eat better, feel better, and understand why your body finally cooperates.
100% personalized approach
Health insurance reimbursement
Continuous support
Guaranteed results
Available in Brussels and via video consultation
Free 30-minute call. No commitment. Just a conversation to see if we're a good fit.