Clinically proven to help you lose weight. Get a month’s supply delivered to your door.
See why our customers choose us
Clinically proven to help you lose weight. Get a month’s supply delivered to your door.
See why our customers choose us
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We are proud to be the No. 1 medicated weight-loss provider in the UK.
Mounjaro, which contains the active ingredient Tirzepatide, is a clinically proven medication designed to support weight loss.
It works by mimicking two natural gut hormones, GLP-1 and GIP, which help control appetite, hunger and feelings of fullness. By slowing digestion, reducing food noise, Mounjaro helps you lose weight when combined with a healthy diet and regular exercise.
Mounjaro (tirzepatide) is proven to support long-term weight loss, with studies suggesting it is one of the most effective medications available. A 36-week clinical trial involving 783 patients across four countries demonstrated an average weight loss of over 20% of their body weight. An additional 88-week clinical trial involving 806 patients showed an average weight loss of over 25% of their body weight. All patients received lifestyle and physical activity counseling and followed a reduced-calorie diet during the trials.
Mounjaro has been rigorously tested by regulatory authorities in the UK. It is licensed by the government's MHRA (Medicines and Healthcare Products Regulatory Agency) and is currently being trialed by the NHS for a select group of participants with a BMI over 40 and three separate health conditions. Because Mounjaro contributes to weight loss, the long-term effects of the medication are largely positive, as it can help you lead a healthier lifestyle. Some of the long-term effects of Mounjaro include:
Before using Mounjaro, it’s important to be aware of potential side effects and precautions. Rest assured, any side effects are usually mild and tend to occur when you first start the medication or increase your dose. This happens because your body is adjusting to the medication.
The most common side effects of Mounjaro include:
At Voy, you can contact a prescribing clinician at any time to address any side effects that may arise.
Many people feel reduced appetite in weeks and see noticeable weight loss, typically 2-3kg, in the first month. Full effects build over 12 weeks, kickstarting your weight loss journey.
Mounjaro is available in 6 dosages:
If you are new to Mounjaro you will start on a low dose (2.5mg) to help your body adjust and minimise the chance of side effects. Your dose will then increase every month unless you choose otherwise. Higher doses can lead to more weight loss, but it's about finding the right balance for you. Your weight loss, your pace. You can control your next dosage at anytime in the Voy app.
If you’re currently using Mounjaro (or have recently used it) you can buy the Mounjaro step-up dosages through Voy.
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Supporting you end-to-end with your medicated weight loss journey
Safe prescribing tailored to you
Side effect support anytime
Post-medication guidance
Tracking and progress monitoring
Included in every plan to help you succeed.
Experiencing side effects or have questions? Our prescribing clinicians are here to support you.
Work 1:1 with your coach to address lifestyle changes and get ready for life after medication.
Stay motivated with your personal app—track your progress, monitor results, and more.
Get extra needles and a sharps disposal bin to start your journey with confidence and ease.
From first use appetite and interest in food generally has changed completely. For the first time in years I feel in control of food.
Decided to try it as I have tried and failed to lose utilising every diet and eating plan known to man! I have lost 12 lbs so far
My coach was friendly, helpful and understood what support I needed in the immediate period. I can't wait to continue my journey with Voy!
I started my treatment 4 weeks ago and up to now I've lost a stone. I have found all the instructions easy to follow.
My coach Maria has been so helpful, knowledgeable and understanding. It’s easily the best start you could want.
I have started eating better and walking for at least an hour every day. I am only on my 3rd injection and I have already lost half a stone.
Great support from the start and great losses I have seen so far I have lost 24 pound in my first month.
The discussion with my coach did not feel rushed or scripted, delivery has been perfect and I’m almost one stone down!
Amazing product lost 1 stone in a month! Great communications, love the app too
My coach has been supportive, checking in on me via WhatsApp. I have lost a stone so far and still have a way to go.
It’s been amazing, the staff is very supportive and help you during the process a lot. I lost 3 kg within 17 days.
I’m actually enjoying it and feel great no hunger whatsoever my energy is amazing.
Very positive first chat with my coach, Lucy; meds delivered on time; the app seems useful.
Super easy, good advice and regular deliveries. I’m on week 9- 1stone 4lbs down and feeling super!
Talking to a coach is a game changer gave me confidence to start my weight loss journey with voy.
If you are new to Mounjaro, you will start on a low dose (2.5mg) to help your body adjust and minimise the chance of side effects. Your dose will then increase every month unless you choose otherwise. Higher doses can lead to more weight loss, but it's about finding the right balance for you.
If you don’t make any changes, your dose will step up each month as part of your titration schedule.
You’re always in control — you can pause, stay on your current dose, or reduce it anytime in the app.
Higher doses may offer greater weight loss, but it’s about finding your sweet spot: where hunger is well-managed and side effects feel comfortable. Many users don’t need the highest dose to see great results.
Yes — if you’re already using Mounjaro (or recently have), you can start on a higher dose that matches your current or most recent prescription.
For maintenance, many people reduce their dose to 2.5mg or 5mg to help control hunger and prevent regain.
We’ll never cut you off — you can stay on medication for as long as needed, as long as your BMI remains above 21.
“I can't believe how much weight I have lost . I feel so much better in myself physically & mentally.”
“It’s put a spark back into my life, my energy levels are through the roof, I feel incredible!”
“It’s the first time I’ve been able to start a weight loss programme and stick to it.”
“ I am drawn to healthier foods and my whole lifestyle has changed now. I've lost 15 KGs!”
“A coach & medication has given me new confidence to continue my weight loss journey! ”
“Voy is amazing. The 'food noise' disappeared, and I have started seeing results on the scales.”
“I’m doing so much more with my life, I started wild swimming, I have more energy”
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It can take up to 8-9 weeks to feel the full effects of your medication, but you’ll gradually increase your dose as your body adjusts and your hunger reduces.
Find your optimal dosage and start consistently losing weight. As you get used to the medication, the chances of experiencing side effects should decrease.
You and your coach will chart your course to lasting weight loss, with a plan for maintaining your new healthy habits after completing the medication.
Our clinicians will match you with the right medication based on your medical history and goals.
Need support with side effects, or got unanswered questions? Get access to prescribing clinicians.
Discuss 1:1 with your coach on how to address lifestyle changes to get you ready for life after medication.
Stay motivated by tracking your progress with your personal app. Monitor your results and more.
For the same price as a pharmacy, get personalised care and expert support to reach your goals.
Matt is an Ex-Clinical Director for the National Obesity Forum, embodying a commitment to innovation in the pursuit of holistic obesity solutions. He previously led the largest NHS obesity clinic in the UK for over 20 years.
Anna is a health behaviour change expert and nutritionist with 15 years of experience in coaching. She is the driving force behind the integration of behaviour change psychology into our programme.
At the nutritional helm is Molly Morgan, whose career spans various industries including the NHS, pharmaceutical trials and digital health technology start-ups.
Our industry leading weight loss experts know that there's more to it than ‘eat less, move more’ - that’s why we chose them to create a programme that tackles the root cause of weight gain, by helping you reset your mind and body.
