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Weight loss injections/treatments

Discuss weight-loss injections and treatments, including personal experiences. Mumsnet hasn't checked the qualifications of anyone posting here. You may wish to speak to a medical professional before starting any treatments.

Info about weight loss injections I found useful

9 replies

timestressed · 12/08/2025 16:15

This is not medical advice, just bits and pieces of info I gathered listening to various videos about WLI. It helped me to understand of what's going on, and what to expect, now I am taking MJ.

  • Initial dosages are not meant to have weight effect, it is for your body to get used to the medication slowly and to minimalize side effects; most patients start losing weight at 6-8 weeks,
  • There may be unrealistic weight loss expectations, typically as studies show, MJ leads to up to 20% or more, for Semaglutide 15 -17% weight loss,
  • That weight loss is typically over a year or longer,
  • Around 15% of patients are non-responders, they don’t get good results with GLP1 medications, and you don’t know that until you try them,
  • Some patients may use compounded form of medication that is different from the manufactured and is less effective.

Some people are slow responders. What is a slow responder? Losing less than 2lb/month. In the studies there were around 10% of patients who lost less than 5% of body weight. Strictly count calories intake, take up exercise, check thyroid function

How can you reduce your chances of pancreatitis:

  • Make sure you don’t have gallstones, only Ultrasound can confirm that.
  • Check lipids. Ask for blood test which checks triglyceride
  • Avoid rapid weight loss

For Peri and Menopausal women amongst us. There may be improving or worsening symptoms of Menopause. With fat loss comes release of Estrogen. Fat has Estrogen in it and when your body breaks down the fat, it releases the estrogen (and other chemicals). Your body needs time to adjust to this fluctuation. But often it can mean feeling better. There are some effects on ovaries and the hormones in general in our bodies. Seek GP advise if you stopped bleeding for some time and you have your period again.

Dry mouth, Xerostomia, one of the theories is that GLP1’s reduces movement of bowels can superficially mimics state of dehydration as a result of a change in appetite, changing blood glucose levels leading to less lubrication in the mouth or acid reflux.

Why do we feel tired or feel lethargic taking GLP1’s?

  • Calorie deficit, body is trying to conserve energy
  • It’s effect on the gut and the brain. It puts our body into rest and digest state and your body just slows down.

Muscle loss in an indirect effect of this medication due to weight loss we are experiencing, not the medication. It is important to eat proteins in small amount throughout the day to prevent that from happening.

Please correct my comments if I am wrong, or inaccurate. Also add, if possible info from medical sources you found. I hope mine are backed up by research, I tried to check and confirm them as much as I could.

OP posts:
voiceofme · 12/08/2025 18:09

Thanks for sharing. There’s this brilliant blog that’s always digging into the latest weight loss meds science. It’s my absolute favourite, really helped me get my head round it all. Highly recommend a read
https://glp1effect.com/p/start-here-most-read-posts

GiveMeWordGames · 12/08/2025 18:46

The thing about 'compounded form' is only relevant to the US, where people can be referred by their HCP to a Compounding Pharmacy [who make it up themselves] in order to access it more cheaply (MJ costs an absolute bomb there).

That doesn't happen here in the UK, where the majority of posters on this site are from. You can only buy MJ as manufactured by Eli Lilly.

timestressed · 12/08/2025 18:49

I thought so too @GiveMeWordGames. Wasn't sure about it. It indeed came from an American doctor's video.

OP posts:
MeridaBrave · 12/08/2025 19:37

Re: the first point. I’m still on the starting dose (taken 7 doses) and I’ve consistently lost 1kg each week. If you look on the July starters thread you’ll see most (but not all) have good suppression from the outset.

re: muscle loss, also need to do strength training alongside the protein.

timestressed · 12/08/2025 20:28

@MeridaBravethat's how statistics works, some people won't lose anything others 50 lb in 3 months time, and others everything in-between.

OP posts:
KnewYearKnewMe · 12/08/2025 20:31

I don’t think ‘most people’ is accurate for the starting dose. Maybe change that to ‘some’ people.

LittleMissContrari · 12/08/2025 21:28

Yep, I agree, strength training (or any kind of “work”) is what’s needed to build muscle. This is likely more important in the West where few of us are protein-deficient.

timestressed · 12/08/2025 21:35

@KnewYearKnewMethanks for pointing that out. Unfortunately I can't update thst word since we are discussing it here. I asked MN and got reply.

@LittleMissContrari Yes, I am sure strength training is important. It was explained that protein is used up in our body before fat when weight loss is rapid. To build muscles we also need to provide proteins with our meals.

OP posts:
HappyWineDay · 12/08/2025 22:59

KnewYearKnewMe · 12/08/2025 20:31

I don’t think ‘most people’ is accurate for the starting dose. Maybe change that to ‘some’ people.

Agree. Experience on here suggests most people definitely start to lose weight immediately they start 2.5mg.

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