Medical weight loss
A medical treatment, personalized care plan, and support from day 1. Everything you need for lasting weight loss, in one place.
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Fellos combines weight loss medication with personal, online coaching for lasting weight loss.
Not a good fit? We will provide a full refund.
Answer a few questions about your health in just 3 minutes.
Receive your personal treatment plan within 48 hours.
Your treatment will be delivered to your home for free in discreet packaging.
More than just medication. Discover everything included in your journey.
Unlimited access to our medical team.


We guide you every step of the way throughout your journey.






Track your progress and celebrate your achievements.
Educational content, healthy recipes, and more for lasting weight loss.

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A medical treatment, personalized care plan, and support from day 1. Everything you need for lasting weight loss, in one place.
Because it works. Discover the power of GLP-1 weight loss medications.
Men give us a 4.6 out of 5.0
Answer a few simple questions about your medical situation. We use this information to create a personalized treatment plan.
Receive a personalized treatment plan and get in touch with our medical team.

We deliver your treatment to your home for free in discreet packaging.
Chat with our coaches, track your progress, and receive content for lasting results.






Thousands of people lost millions of pounds with the help of GLP-1 medication. Our weight loss program is designed to provide lasting results for you.
Use our switching service to continue your treatment at better prices and with better support.

Start the intake and indicate that you are already in a medical weight loss program.
Share proof of your current dosage. Switch without any interruptions.
Start saving with our competitive prices and achieve the best possible results.
The best weight-loss medication depends on your situation, BMI and any health conditions you may have. The four options we offer:
Mounjaro acts on two hormones (GLP-1 and GIP), whilst Ozempic and Wegovy act only on GLP-1. As a result, Mounjaro leads to greater weight loss on average: 20 to 22% compared to 15% for Wegovy and Ozempic.
Both suppress your appetite, slow down gastric emptying and improve insulin sensitivity.
Through a registered online pharmacy or GP. The process:
Never buy from illegal websites or overseas suppliers without a prescription. Counterfeit or incorrectly dosed products are frequently found there.
Mounjaro and Ozempic have been approved by the EMA and the FDA and are considered safe when used correctly under medical supervision. They have already been used by millions of people worldwide.
Common side effects include nausea, diarrhoea, constipation and abdominal pain, particularly in the first few weeks. These usually subside with continued use.
Mounjaro and Ozempic must not be used if you have a personal or family history of medullary thyroid cancer (MTC), MEN2 or severe gastrointestinal problems. A doctor will assess this beforehand.
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This is how Fellos works: first fill out our online medical questionnaire. A BIG-registered doctor will then assess your situation and draw up a personal diagnosis with a treatment plan. Once approved, your medication will be delivered discreetly to your home and our medical team will be there for you online. In the unlikely event that you are not suitable for treatment, you will receive the full amount back.
The full medical assessment is free of charge. This includes a comprehensive assessment by a BIG-registered doctor, your personalised treatment plan, follow-up consultations where necessary, and ongoing online support from our medical team.
You pay for the medication at the end of the assessment. The cost varies depending on the treatment. We charge this fee to ensure that our doctors only consider serious applications.
If it turns out you are not suitable for treatment, you will of course pay nothing; we will refund the amount paid for the medication immediately.
Good and quality care is our priority. That is why Fellos only works with BIG-registered doctors in the Netherlands. Of course, our doctors only take your interests into account, which is why Fellos logically does not work with commissions for prescribing medication.
Fellos works with a partner pharmacy based in the Netherlands. In this way, we always guarantee reliable medication. Our partner pharmacy is ApotheekZorg in Bladel, registered with the Dutch Chamber of Commerce (KVK) under number 17128523.
Fellos takes the safe handling of personal data very seriously. You can assume that we will handle this discreetly and carefully. You can read all the details in our privacy policy.