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The weight-loss programme with expert support and modern medical treatments

Get customised advice, track your progress in the app, and grow together with our community.
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Calculate when you can reach your target weight

Height
Weight
Goal weight
Height
Weight
Goal weight

Your BMI is:
00

Only in exceptional cases do we treat patients with a BMI below 27.Create an account to get an individual assessment. Your BMI at your target weight is: 16.7

You have entered a weight that gives a BMI that is below 20.A BMI between 20 and 25 is considered by most people to be the healthiest.To get an individual assessment, you can create an account.

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#1

Proven method

20%

Weight loss

50k+

Success stories

Meet the
treatment team

At Yazen, we believe that expert support makes all the difference. With guidance from our doctors, dietitians, and YazenCoaches, you get a structured approach to long-term weight care. You don’t have to do it alone – we’re with you every step of the way.

Doctor
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Doctor

Located just behind your YazenCoach, the doctors ensure that your prescription is as effective as possible. All doctors at Yazen are experts in the treatment of patients struggling with their weight.

Your doctor assists you with questions about medication treatment, renews prescriptions, wants to know how you experience the effects of the medication, and assesses weight loss and any side effects. In case of side effects that do not improve with adjustments to the diet, such as heartburn, constipation or nausea, medication may be prescribed. You can also receive assistance with certificates, such as Activity on Prescription (AoP) or travel certificates.

Meet our doctors

YazenCoach
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YazenCoach

Your YazenCoach can refer you to specialists when needed. Our YazenCoaches can guide you to experts in nutrition, mental health, or fitness:

A dietitian,
Psychologist,
Or personal trainer.

Meet our Yazen Coaches

Dietitian
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Dietitian

Our dietitians can assist you in customising your diet based on your individual needs, to achieve the best treatment outcomes. This may involve providing guidance on energy intake, meal planning, food choices, and energy distribution. They also offer practical tips, including meal suggestions, guidance on creating a well-stocked pantry, and advice for dining out.Our dietitians can also help minimise the risk of common stomach side effects during the initial stages of treatment.

Meet our dietitians

Personal trainer
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Personal Trainer

A personal trainer can assist you with guidance on tailored physical activity to improve your health and enhance the effectiveness of your treatment.

By taking into account your medical conditions, any injuries, and limitations, the physical activity can be adjusted to meet your specific needs.

Meet our personal trainers

Psychologist
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Psychologist

The psychologist supports you in matters related to emotions and thoughts about body, diet, and weight. Your mental well-being affects how you eat, and at Yazen, we take into account your overall health, not just what the scale says. A weight journey is often long, and you may need to put effort into maintaining motivation and enthusiasm for the process.

The psychologist is available to help you persevere and endure.

Meet our psychologists

Become a patient

Three simple steps

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1
.
Free consultation

Log in and discuss your unique weight loss journey with one of our nurses completely free of charge

2
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Comprehensive health screening

We conduct a comprehensive health screening, including blood tests to check hormones, metabolic markers, minerals, and vitamins.

3
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Treatment

Using approved weight loss injections, our expert clinicians develop personalised plans with 24/7 support from doctor, YazenCoach, psychologist, dietitian and personal trainer.
Regular consultations in the app ensure that your plan evolves according to your needs without you having to leave the house. 

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For those who have tried everything.

The Yazen model

Your journey to lasting and sustainable weight management

The Yazen Model is divided into two programmes that will guide you, from foundational understanding to habit formation, and ultimately to living an empowered and healthy life.

Get a free lab test -  To a value of £119.

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Limited offer!
Connect

Get started

£119

£0

Speak with a nurse
Get started with a health check
Receive a tailored treatment plan
Familiarise yourself with our digital tools
Take the first steps in your medical treatment
Change

0-12/24 months

From £69/month*

Get to know your team
Choose your personalised treatment plan with medication included
Change your habits in a way that suits you
Set goals and work towards them, step by step
Your team is there to support your lifestyle changes whenever you need
Clarity

Reaching your goals

Get a discounted maintenance plan

Continue working towards your goals
Choose your ongoing services in the app
Make your new habits your lifestyle
Live life with newfound energy
Your team is there for you whenever you need support

Real people. Real results.

Gemma Collins: "I’ve lost 3½ stone and kept it off with Yazen - it feels so good!”

Gemma Collins: "I’ve lost 3½ stone and kept it off with Yazen - it feels so good!”

Gemma Collins is ending 2025 3½ stone lighter thanks to Yazen and is now amazed at the different reflection staring back at her in the mirror.

For me, it’s not about looking stick thin as that isn’t who I am. It’s about being as healthy as I can and Yazen helps me keep going in the right direction. I’m being sensible with my weight loss journey and not trying to rush results. 
Heading into the festive season 3½ stone lighter
Dropping from a size 26 to a size 20 since becoming a Yazen patient
Feeling the best version of herself

Supported and motivated by your team 24/7

From your first injection, the Yazen app provides access to a 24/7 weight loss concierge service including your personal YazenCoach and full treatment team.

Expert team at your fingertips
Chat with and get counselling from your YazenCoach, doctor, dietitian, psychologist, and personal trainer. Together they determine the most effective, sustainable and healthy weight loss  journey that fits your unique biology and lifestyle.
Track your weight loss journey
Our app lets you track your progress and provides guidance and information throughout your weight loss journey.
Lifestyle tools and support from your YazenCoach
Get knowledge, guidance and motivation to make healthy lifestyle changes from your very own Yazen Coach.
Reflect and learn with Yazen Commit
In your module-based programme, you will gain knowledge, guidance and motivation to make healthy lifestyle changes.
Support from your Yazen community
Join our vibrant member community where knowledge meets camaraderie. Engage in encriching discussions and seek support on your journey in our expert-led and community-driven chat spaces.

Real people. Real results.

Frequently asked questions

Below we list the most frequently asked questions about our service. If you have other questions or concerns, please contact us and we will help you.

How effective is medical weight loss with Yazen?

This is individual. You set a target weight. Your coach and doctor are here to support you and ensure that weight loss and treatment follow-up are carried out in a safe and patient-focused way.

FAQ: The treatment

What risks and side effects can be experienced from the medication?

Side effects are usually few, mild, and temporary. The most common side effects affect the gastrointestinal tract, such as nausea, gas, abdominal discomfort, bloating, constipation, and diarrhoea.

Side effects can often be avoided by starting treatment at a low dose and by adjusting meal content and portion size. Always inform your doctor or coach if you experience side effects so that you can receive advice and support.

FAQ: Medication

What is included in medical weight loss at Yazen?

The service includes regular blood tests, medical assessment, initiation of medical treatment and any injections, as well as individually tailored programs for mental health, exercise, and diet. The cost of medication is not included in the subscription price. You get access to a medical team (doctor, coach, dietitian, psychologist if needed), digital tools through our app, and a structured approach to lifestyle change and medical treatment. You receive personal follow-up and support throughout your entire journey.

FAQ: The service

Which medications does Yazen use for weight loss?

Your doctor most often prescribes modern appetite-regulating medications, known as GLP-1/GIP analogues.

The doctor always makes an individual assessment. There are several approved medications that may be appropriate.

FAQ: Medication

What is Yazen?

Yazen is a digital healthcare service that helps people living with overweight or obesity achieve more sustainable health. You get access to a medical team, individually tailored guidance, support for lifestyle changes, and medical treatment when needed. The goal is to provide safe, evidence-based, and long-term support without guilt or shame.

FAQ: The service

What happens when I have reached a healthy target weight?

When you have reached a healthy target weight, you begin determining a maintenance dose. This is the dose of medication you need to remain weight stable, i.e. to stay in energy balance. The maintenance dose is your medical support to prevent weight regain. Research shows that individuals who stop taking medication tend to regain weight. At present, we do not know how long each individual will need to continue medication – for many, it may potentially be lifelong.

FAQ: The treatment
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Keeping track of your health has never been easier

Based on science

At Yazen, our commitment to evidence-based practices sets us apart.

Our team of experts is dedicated to providing you with the most effective, reliable, and safe health strategies. Trust in our science-backed approach to guide you on your journey to optimal well-being.

Read our latest scientific abstracts

Losing weight without the right resources is like trying to build a house without tools

If you are overweight or living with obesity, you are far from alone. Did you know that six out of ten people in the United Kingdom are overweight? However, the struggle to lose weight can feel long and lonely. For many people, being overweight and obese (BMI ≥ 30) has a major impact on their physical and mental health, reducing their quality of life and increasing the risk of secondary diseases.

Together we improve your chances of success

Yazen integrates evidence-based medical weight loss treatments with expert guidance from our team of doctors, YazenCoaches, dietitians, psychologists, and personal trainers. Extensive research demonstrates that this approach is the most effective for achieving long-term and sustainable weight loss.

Lose weight and keep it off!

Yazen effectively addresses the biological aspects of weight loss, using FDA/EMA/MHRA approved medication. Our expert clinicians develop personalised plans, enhanced with support from psychologists, dietitians, and personal trainers. Regular consultations and our app ensure that the plan evolves according to your health needs. As a result, you experience a gradual reduction in weight and can sustain your progress without the constant battle against hunger and cravings.

As seen in

News

Stay informed with our latest news posts.

Yazen achieved record-breaking growth in 2025, doubling its revenue.

In 2025, Yazen's revenue surged 87% to nearly €29.4 million, with gross profits doubling to €16.5 million. Now treating over 37,000 active patients across seven countries, the company is eyeing further expansion into two more markets in 2026. Despite an EBITDA of –€5.7 million due to heavy growth investment, Yazen remains a leader in European obesity care.

Yazen presents new data on digital obesity care at NOM 2026

Yazen presents an oral scientific abstract at the Nordic Obesity Meeting (NOM26), highlighting high-volume patient–caregiver interactions in a fully digital obesity care model.

Weight Loss Drugs Linked to Long-Term Alcohol Reduction

Weight management patients show lasting alcohol reduction with health benefits extending beyond temporary Dry January abstinence, new research reveals.

GLP-1 Weight Loss Drugs: How to Spot Unsafe Sellers

Discover why weight loss medications must come from registered clinicians. Learn to identify illegitimate sellers and protect yourself from dangerous counterfeit GLP-1 treatments in the UK.

Yazen provides Christmas buffet strategy

Yazen makes the festive period easier for people on weight loss injections with a Christmas buffet strategy to instill confidence not fear!

Yazen's Festive Food Survival Guide for Weight Loss Drug Users

As the countdown to Christmas begins, for the estimated 1.5 million people in the UK using GLP-1/GIP weight loss medications, the fear of navigating the festive period without "falling off the wagon" is a number one concern. Digital healthcare provider Yazen is tackling this "festive food noise fear" with a practical survival guide and a new online series featuring world-class chef Tristan Welch and TV icon Gemma Collins.

WHO says obesity is a chronic, relapsing disease needing lifelong care

The WHO released its first global guideline for GLP-1 obesity treatment, recognizing obesity as a chronic disease. Long-term care combined with therapy is key.