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Weight loss injections, more scientifically known as GLP-1 injections, are medications that target GLP-1 receptors and are clinically proven to support weight loss.
Though there are many different weight loss injections, they all tend to have a similar mechanism of action. They work by mimicking natural gut hormones, GLP-1, which help control appetite, hunger, and feelings of fullness. This helps reduce food cravings and noise, leading to weight loss.
While the effectiveness may vary depending on the weight loss injection, Mounjaro (tirzepatide) is proven to support significant long-term weight loss. A 36-week clinical trial involving 783 patients across four countries achieved an average weight loss of over 20% of their body weight. An additional 88-week clinical trial with 806 patients achieved 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 trial.
There are three weight loss injections licensed by the government’s MHRA (Medicines and Healthcare Products Regulatory Agency) for weight loss and the treatment of obesity: Mounjaro, Wegovy, and Saxenda. Mounjaro is currently being trialed by the NHS for a select group of participants with a BMI over 40 and three separate health conditions.
Because weight loss injections contribute to weight loss, the long-term effects of the medication are largely positive, as they can help you lead a healthier lifestyle. Some of the long-term effects include:
Before using weight loss injections, 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, as your body adjusts to it.
The most common side effects are:
At Voy, you can contact a prescribing clinician at any time to assist with 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.
We offer only medications that are licensed for weight loss. However, we do offer Wegovy to eligible patients, which is manufactured by the same company, Novo Nordisk, and uses the same active ingredient, semaglutide, to suppress appetite. Wegovy is licensed for treating obesity in the UK and offers higher dosages of 1.7mg and 2.4mg of semaglutide, compared to Ozempic’s 1mg. The higher dosage supports greater weight loss.
We offer all major medications licensed for weight loss, tailoring your plan to fit your unique needs.
Supporting you end to end with your medicated weight loss journey
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Side effect support anytime
Post-medication guidance
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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.