I lost seven stone on Mounjaro despite being ‘super lazy’ & barely exercising – many say I look like a different person
A WOMAN has revealed that she lost over seven stone after using Mounjaro.
Katy, a 37-year-old from Southampton, was able to slim down thanks to weight loss injections, but experts and NHS medics warn about the dangers of taking such medications without a prescription.
The blonde confirmed that she has shifted 101.4lbs [7 stone 2 lbs] thanks to the fat jabs - and that was without spending hours working out in the gym.
Katy claimed that she is “super lazy” and barely exercised whilst using Mounjaro, which is regarded by some as the King Kong of weight loss jabs.
Sun GP Dr Zoe Williams acknowledged that Mounjaro, which could soon be rolled out on the NHS, can save the lives of people with “life-threatening levels of obesity.”
But despite this, the NHS warned: “Never take an anti-obesity medicine if it has not been prescribed to you.
Read more on fat jabs
"These types of medicines may not be safe for you and can cause serious side effects.”
About half a million Brits use weight loss drugs - and the number is expected to double in the next year.
Mounjaro works by suppressing your appetite, making people feel fuller for longer.
The injections are licensed for patients with type 2 diabetes and to assist those who are clinically obese (with a Body Mass Index of 30 or over).
One jab is administered each week but the duration is dependent on someone’s weight.
The drugs can be lawfully supplied when prescribed by a practitioner - such as a doctor, nurse or a pharmacist-independent prescriber.
But increasingly, people have been buying them through online pharmacies with insufficient checks.
Only recently, figures from the Medicines and Healthcare products Regulatory Agency revealed fat jabs had been linked to 82 deaths across the UK.
And the family of a man from Burton upon Trent, Staffs, who died after taking Mounjaro, are now calling for a probe into the jab's "potential to kill."
Despite the dangers, this woman eagerly praised the effects of the fat jabs on her body.
Posting on social media, Katy shared her jaw-dropping glow-up, leaving many totally stunned.
During the video, which was posted after six and a half months of using the fat jabs, Katy compared pictures of herself before and after losing weight and penned: “This is beyond my wildest expectations. I am so glad I made the decision to start Mounjaro.”
Katy claimed that in March 2024, she was not only “miserable and obese”, but was also suffering with “numerous health issues” and had “zero self esteem.”
And after years of trying to lose weight throughout her life but with no success, Katy took the plunge and began using Mounjaro and now feels “healthy” and “confident.”
At the start of the short clip, Katy posed whilst wearing a white vest top and a pair of dark jeans.
But seconds later, Katy beamed in the same top, with a pair of blue denims, showing her newly slimmed down figure.
I am so glad I made the decision to start Mounjaro
Katy
She claimed that thanks to Mounjaro and “lots of determination” to change her lifestyle, she now feels “like a whole new Katy.”
Whilst using the fat jabs, Katy prioritised eating healthy meals containing lots of protein.
Everything you need to know about fat jabs
Weight loss jabs are all the rage as studies and patient stories reveal they help people shed flab at almost unbelievable rates, as well as appearing to reduce the risk of serious diseases.
Wegovy – a modified version of type 2 diabetes drug Ozempic – and Mounjaro are the leading weight loss injections used in the UK.
Wegovy, real name semaglutide, has been used on the NHS for years while Mounjaro (tirzepatide) is a newer and more powerful addition to the market.
Mounjaro accounts for most private prescriptions for weight loss and is set to join Wegovy as an NHS staple this year.
How do they work?
The jabs work by suppressing your appetite, making you eat less so your body burns fat for energy instead and you lose weight.
They do this my mimicking a hormone called GLP-1, which signals to the brain when the stomach is full, so the drugs are officially called GLP-1 receptor agonists.
They slow down digestion and increase insulin production, lowering blood sugar, which is why they were first developed to treat type 2 diabetes in which patients' sugar levels are too high.
Can I get them?
NHS prescriptions of weight loss drugs, mainly Wegovy and an older version called Saxenda (chemical name liraglutide), are controlled through specialist weight loss clinics.
Typically a patient will have to have a body mass index (BMI) of 30 or higher, classifying them as medically obese, and also have a weight-related health condition such as high blood pressure.
GPs generally do not prescribe the drugs for weight loss.
Private prescribers offer the jabs, most commonly Mounjaro, to anyone who is obese (BMI of 30+) or overweight (BMI 25-30) with a weight-related health risk.
Private pharmacies have been rapped for handing them out too easily and video calls or face-to-face appointments are now mandatory to check a patient is being truthful about their size and health.
Are there any risks?
Yes – side effects are common but most are relatively mild.
Around half of people taking the drug experience gut issues, including sickness, bloating, acid reflux, constipation and diarrhoea.
Dr Sarah Jarvis, GP and clinical consultant at patient.info, said: “One of the more uncommon side effects is severe acute pancreatitis, which is extremely painful and happens to one in 500 people.”
Other uncommon side effects include altered taste, kidney problems, allergic reactions, gallbladder problems and hypoglycemia.
Evidence has so far been inconclusive about whether the injections are damaging to patients' mental health.
Figures obtained by The Sun show that, up to January 2025, 85 patient deaths in the UK were suspected to be linked to the medicines.
But she confessed: “I’m super lazy so only just started exercise, just get your heart rate going every now and then.”
Katy claimed that she is “in shock” at her new physique and doesn’t recognise herself.
Social media users react
She finds it “mad” how different she looks and clearly many others did too, as her TikTok clip, which was posted under the username @healthandkaty, has quickly racked up 385,200 views.
Not only this, but it’s also amassed 6,516 likes, 421 comments and 311 saves.
Wow!! You look like a whole other person!!
TikTok user
Social media users were gobsmacked by Katy’s weight loss and many eagerly flocked to the comments to praise her slimmed down physique, with numerous people claiming she now looks like a totally different person.
One person said: “You smashed it!”
What are the other side effects of weight loss jabs?
Like any medication, weight loss jabs can have side effects.
Common side effects of injections such as Ozempic include:
Nausea: This is the most commonly reported side effect, especially when first starting the medication. It often decreases over time as your body adjusts.
Vomiting: Can occur, often in conjunction with nausea.
Diarrhea: Some people experience gastrointestinal upset.
Constipation: Some individuals may also experience constipation.
Stomach pain or discomfort: Some people may experience abdominal pain or discomfort.
Reduced appetite: This is often a desired effect for people using Ozempic for weight loss.
Indigestion: Can cause a feeling of bloating or discomfort after eating.
Serious side effects can also include:
Pancreatitis: In rare cases, Ozempic may increase the risk of inflammation of the pancreas, known as pancreatitis, which can cause severe stomach pain, nausea, and vomiting.
Kidney problems: There have been reports of kidney issues, including kidney failure, though this is uncommon.
Thyroid tumors: There’s a potential increased risk of thyroid cancer, although this risk is based on animal studies. It is not confirmed in humans, but people with a history of thyroid cancer should avoid Ozempic.
Vision problems: Rapid changes in blood sugar levels may affect vision, and some people have reported blurry vision when taking Ozempic.
Hypoglycemia (low blood sugar): Especially if used with other medications like sulfonylureas or insulin.
Another added: “Wow, you don't even look like the same person. You can tell it's you but just wow.”
A third commented: “You look absolutely incredible!”
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Whilst someone else chimed in: “Wow!! You look like a whole other person!! And your face is so much more glowy. Well done girl.”
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