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AIBU?

Share your dilemmas and get honest opinions from other Mumsnetters.

Just get mounjaro!

429 replies

Pinklightning · 17/03/2026 08:04

The more threads I read, the more and more posters seem to respond with “just get mounjaro” for posters wanting to lose as little as 10 lbs to get within a healthy BMI. More traditional methods of weight loss appear to be out of fashion and as though you’d be foolish to do it the perceived hard way when you can just inject a drug.
I was reading a thread where a poster had a BMI of just over 25 who was told to just get WLIs. What happened to them being for those who are obese?
Is this the way things are going now? Gained a few pounds over Christmas or on holiday? Just inject and don’t worry about it!
Anybody going against the grain of weight loss injections is often accused of being jealous. It’s a bit cult like on some threads as though WLI are the only valid way to lose weight and you’d be foolish to try any other way because “diets don’t work” and just adopting a healthier diet and lifestyle is laughable; a fool’s game and you’ll end up fat again. Well, yes, if you go back to your old habits, just like any method of weight loss.

Just a bit of a rant really on this sunny Tuesday!

OP posts:
Thread gallery
5
Jackiepumpkinhead · 17/03/2026 13:58

MrsSlocombesCat · 17/03/2026 13:12

I have a BMI over 35. My GP hasn't offered me the jabs yet and even if they did I wouldn't. I'm just waiting for the future wave of health issues to arise from it. There are already well known side effects and it worries me that so many people who don't need it are taking it. Also, people seem happy to take the stuff forever when noone knows the long term effects. It makes people look like drug addicts because they lose too much weight and a lot of that weight is muscle as well as fat. It can also lead to Osteoporosis. No thanks. I have stopped drinking and am exercising more, I would rather do it the natural way or not at all.

If I were you, I’d be much more
concerned about the impact of your obesity on your health.

Wildgoat · 17/03/2026 13:58

Anyone else noticed on these threads not one of the concerned come on and talk about the risks of obesity, the fact it’s the number one most life limiting or fatal disease we have, the leading cause of cancer.

insread they proclaim to be all worried about those taking them , unknown risks, often not even bothering to read up on the global data.

speaks volumes.

MrFluffyDogIsMyBestFriend · 17/03/2026 13:59

Reliablesource · 17/03/2026 08:28

What I can’t get my head around is when critics of Mounjaro say it is safe to use for diabetes but maybe not for weight loss. If the drug is safe, it is safe! Your body doesn’t know what you are taking it for.

Also don’t understand the obsession that some people have with WLI who don’t need or plan to take them. What’s it got to do with you whether other people want to use them?

Well it's not necessarily safe - but it's safer than having diabetes. It's just about weighing up the costs/benefits. If you can't get your head around that then I despair.

Binus · 17/03/2026 13:59

Nobody should be trying to push anyone into a particular way to manage their obesity.

There seem to be a lot of posters on here talking about pressure to take WLIs even if they don't want to. Might be a good example of how so many people feel that the bodies of the obese are their business. It's not acceptable to tell your obese friend or relative how they should manage their condition!

APlaceInTheShade · 17/03/2026 14:01

Tryagain26 · 17/03/2026 12:33

The point you are missing is that it might not be a safe to take them long term if you are not diabetic, there may well be long term side effects and then those people will be a strain on the NHS etc

There are long term side effects. Reduced cardiovascular disease, reduced risk of cancer and possibly reduced risk of dementia (over and above the weight loss health effects).

Controversial opinion, I believe that within a few decades, as the evidence mounts, they will become available to any one of any weight other than underweight who can afford them (and for me, they have actually saved me money).

Ohyeahitsme · 17/03/2026 14:02

Toomuchprivateinfo · 17/03/2026 13:52

“My point is to other posters and not to you”

Then why reply to me? 🤷🏼‍♀️

I quoted you to enable other thread users to see the post I was making a response to. It's much easier when other posters can see a direct counter point rather than having to work out which posts go with which. Particularly on fast moving threads like this.

PracticalPolicy · 17/03/2026 14:04

It's very risky because over 95% of users pile the weight back on faster than dieting.

If you're prepared to be on them for life even when your BMI reduces to less than 25, then knock yourself out.

Ohyeahitsme · 17/03/2026 14:07

MrsSlocombesCat · 17/03/2026 13:12

I have a BMI over 35. My GP hasn't offered me the jabs yet and even if they did I wouldn't. I'm just waiting for the future wave of health issues to arise from it. There are already well known side effects and it worries me that so many people who don't need it are taking it. Also, people seem happy to take the stuff forever when noone knows the long term effects. It makes people look like drug addicts because they lose too much weight and a lot of that weight is muscle as well as fat. It can also lead to Osteoporosis. No thanks. I have stopped drinking and am exercising more, I would rather do it the natural way or not at all.

FWIW any weight loss without counteractive bone density loss prevention (like weight lifting) can lead to osteoporosis. It's a combination of the effects of your bones carrying around less weight and a reduction in all nutrients (which is really easily when eating less, because you're losing weight). It's a known side effect of weight watchers and slimming world as well as calorie counting and other non-named 'diets'. It's simply a side effect of losing weight, same as an increased risk of gallstones. So regardless of how you lose weight, if you choose to lose weight, you need to take measures to prevent osteoporosis.

ruethewhirl · 17/03/2026 14:09

PracticalPolicy · 17/03/2026 14:04

It's very risky because over 95% of users pile the weight back on faster than dieting.

If you're prepared to be on them for life even when your BMI reduces to less than 25, then knock yourself out.

Sources please. Certainly hasn't been my experience or that of anyone I know who's been on them.

APlaceInTheShade · 17/03/2026 14:09

Previous analysis of this data by the same international team found that semaglutide reduced heart attacks, strokes and other major cardiac events by 20% in this group.

https://www.ucl.ac.uk/news/2025/oct/weight-loss-drug-helps-heart-regardless-amount-weight-lost

Ohyeahitsme · 17/03/2026 14:09

PracticalPolicy · 17/03/2026 14:04

It's very risky because over 95% of users pile the weight back on faster than dieting.

If you're prepared to be on them for life even when your BMI reduces to less than 25, then knock yourself out.

To be fair, I'm on other medication which I'll be on form life because it only treats the disease whilst I take them. I didn't really expect WLI to be any different, though I've been pleasantly surprised that I haven't yet regained any weight.

SilenceInside · 17/03/2026 14:09

PracticalPolicy · 17/03/2026 14:04

It's very risky because over 95% of users pile the weight back on faster than dieting.

If you're prepared to be on them for life even when your BMI reduces to less than 25, then knock yourself out.

Yes I certainly am prepared to be on them long term, it's a really great thing that this option is now available and is a realistic proposition for some.

The risk of weight regain applies to all weight loss approaches, it's not as if there's an option that actually avoids the risk of regain. So, using WLI is not "very risky" in terms of weight regain, it has the same risk profile as other weight loss methods. Additionally, it has the benefit of being much more effective, whilst also providing other health benefits besides the weight loss itself.

I note the use of the phrase "pile the weight back on" which always seems to be delivered with great pleasure from those that use it.

ruethewhirl · 17/03/2026 14:10

I note the use of the phrase "pile the weight back on" which always seems to be delivered with great pleasure from those that use it.

Doesn't it just. 🙄

Ohyeahitsme · 17/03/2026 14:11

ruethewhirl · 17/03/2026 14:09

Sources please. Certainly hasn't been my experience or that of anyone I know who's been on them.

https://www.bbc.co.uk/news/articles/c050ljnrv2qo

I'm not the person who said it, but it's been really, really well publicised!

A woman, wearing bright red nail polish and unbuttoned blue jeans, injects herself into the skin and soft tissue of her lower abdomen with an obesity jab pen.

People coming off weight-loss injections risk fast weight gain

Overweight people shed large amounts on jabs but gain 0.8 kg a month on average once off them, study shows.

https://www.bbc.co.uk/news/articles/c050ljnrv2qo

Perimenoanti · 17/03/2026 14:12

PracticalPolicy · 17/03/2026 14:04

It's very risky because over 95% of users pile the weight back on faster than dieting.

If you're prepared to be on them for life even when your BMI reduces to less than 25, then knock yourself out.

What exctly is your point? Are you saying there is no point in trying?

StephensLass1977 · 17/03/2026 14:14

Well you certainly sound very upset about it all. Any reason?

Nobody with a bmi of 25 is going to be given any weight loss injection.

I personally took Orlistat (pills) for a year and a half, as I could NOT lose the two stone I needed to lose. I ran, did spinning sessions numerous times a week, ate well. Nothing worked. 5'2 and about 11 stone. After a few months of the pills AND healthy eating / the same workouts, I am around 8.5 stone.

I don't know why my body needed that extra push, but the pills worked for me, and I'll never feel bad about it. You still have to work bloody hard.

Binus · 17/03/2026 14:16

The actual BMJ review is here- always better to go to the source.

https://www.bmj.com/content/392/bmj-2025-085304

Interestingly, it also states that WLI users lost more weight overall than dieters, so were lighter at the end of the review period, and also that more research was needed because most of what they looked at weren't the newest generation drugs. Funny the way none of the headlines went with that, eh?

I'll be staying on them myself so it's moot in my case, but I wouldn't personally highlight the risk of weight regain as the most significant potential downside.

SilenceInside · 17/03/2026 14:17

The rate of regain in that study was 0.8kg per month compared to 0.1kg a month after a "traditional" diet. This was a meta study of other studies and doesn't represent the potential real life usage of these medications. The average weight lost during the time on WLI was also only 8kg in total and for those on a traditional diet alone, even less than that. I have lost about 70kg whilst on Mounjaro, and I won't be stopping abruptly or being moved onto a placebo like those on the studies that were looked at.

Even if I did regain weight at around 1kg a month, it would still take about 6 years for me to regain all the weight, assuming that I didn't restart Mounjaro or another WLI before then. Which I most definitely would.

TinyTear · 17/03/2026 14:17

I have just been diagnosed as diabetic and started metformin.
GP has mentioned WLI but i am still wary. And I DO NEED to lose weight.

Have lost 5kg since october with just diet changes, but the binges still tend to happen and the brain is being stupid - so i know know if i will say yes when the GP mentions them again. because of people taking them for vanity and not medical reasons

BoogieTownTop · 17/03/2026 14:18

SunshineAndSandalsMakeMeHappy · 17/03/2026 08:26

A few pharmacies have lowered the BMI to 25 to prescribe it off label.

Have that, could you tell me which ones? Could be helpful in future.

BoogieTownTop · 17/03/2026 14:19

TinyTear · 17/03/2026 14:17

I have just been diagnosed as diabetic and started metformin.
GP has mentioned WLI but i am still wary. And I DO NEED to lose weight.

Have lost 5kg since october with just diet changes, but the binges still tend to happen and the brain is being stupid - so i know know if i will say yes when the GP mentions them again. because of people taking them for vanity and not medical reasons

Losing weight isn’t all about vanity? It’s about avoiding illness like diabetes as well!

PracticalPolicy · 17/03/2026 14:21

ruethewhirl · 17/03/2026 14:09

Sources please. Certainly hasn't been my experience or that of anyone I know who's been on them.

BMJ Comprehensive review of trials. About as solid as it gets.

https://www.bmj.com/content/392/bmj-2025-085304

But you could have googled that yourself. Feel free to criticise my generalisation but the substantive is true. And if you are comparing actual data from a respected medical journal to your anecdotes, please don't bother.

PracticalPolicy · 17/03/2026 14:23

SilenceInside · 17/03/2026 14:09

Yes I certainly am prepared to be on them long term, it's a really great thing that this option is now available and is a realistic proposition for some.

The risk of weight regain applies to all weight loss approaches, it's not as if there's an option that actually avoids the risk of regain. So, using WLI is not "very risky" in terms of weight regain, it has the same risk profile as other weight loss methods. Additionally, it has the benefit of being much more effective, whilst also providing other health benefits besides the weight loss itself.

I note the use of the phrase "pile the weight back on" which always seems to be delivered with great pleasure from those that use it.

I speak as someone who has a BMI well over 25. Do not ascribe motive to a rhetorical flourish.

PracticalPolicy · 17/03/2026 14:23

ruethewhirl · 17/03/2026 14:10

I note the use of the phrase "pile the weight back on" which always seems to be delivered with great pleasure from those that use it.

Doesn't it just. 🙄

🤣🤣🤣

WongKarWai · 17/03/2026 14:24

PracticalPolicy · 17/03/2026 14:21

BMJ Comprehensive review of trials. About as solid as it gets.

https://www.bmj.com/content/392/bmj-2025-085304

But you could have googled that yourself. Feel free to criticise my generalisation but the substantive is true. And if you are comparing actual data from a respected medical journal to your anecdotes, please don't bother.

It's not a great study, though. The average amount of weight lost was tiny, and the subjects weren't on the medication for long. It's not really good enough to draw any conclusions. Hopefully, longer, more comprehensive studies will come along soon.

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