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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.

Moving to 5mg pen - 3.75 or straight 5? Maximum value [Title edited by MNHQ at OP's request]

5 replies

fatgirlswims · 09/03/2025 07:33

My maths isn't mathsing.

I've done 9 weeks on 2 x2.5mg pens
I have Bónus shot to take this week
Next one in fridge is 5mg
Lost 22lbs

Suppression is variable but still strong after shot day.

I don't to waste any money and Throw away any at the end of the 30

Can anyone recommend a dosing schedule?

OP posts:
PurpleCoo · 09/03/2025 07:52

I would be more inclined to think about what dose is right for you.

I am similar in that I have taken my last 2.5mg dose yesterday and have a 5mg in the fridge. I don't have any problematic side effects, bar a dry mouth. I am not overly hungry, but easily eating my planned calories (13-1400). I am also going on holiday soon, so need to avoid side effects when I away.

I nearly bought a 2.5mg pen but decided to go with a 5mg on the premise that I can stay on 2.5mg if I don't want to increase and get 5 doses out of it without needing to use syringes. But, I have the option to increase the dose if it stops working. I will probably do 3.75 if I do go up so I don't get a too strong appetite suppressant and avoid side effects

fatgirlswims · 09/03/2025 08:30

Yes that is a very good point. I had been single minded! interested to hear all perspective. And it's the same price so I'm not losing money

I will start at 3.75.

Have you done 8 weeks at 2.5? And would mind sharing how much you have lost?

I have found my weight loss is slowing (but that could be other reasons such as travel, digestion issues and not watching macros)

My starting weight was 15st 12lb
CW 14st4
GW 12.7

OP posts:
PurpleCoo · 09/03/2025 09:18

I've only done 4 doses in total and lost 5kg exactly as of this morning (so 3 weeks 2 days). I started at 96.55kg

I am aiming for 1kg a week loss to avoid loose skin and gallstones!

fatgirlswims · 09/03/2025 09:25

We are pretty similar after 8 weeks:

SW 100.7 kg
CW 91.3
TL 9.4

Thanks this helps

OP posts:
WeAllHaveWings · 09/03/2025 10:03

Try to change your mindset slightly.

If you get 5 doses out of your 5mg pen which give you 5 weeks of the effect you want it doesn't matter if you throw away some liquid at the end, you are still winning.

If 2.5mg lets to stick to your chosen calorie deficit, then stick with it until you need to increase.

Then consider 3.75mg and stick with that for a few weeks to see if the compounded increase gives you the effect you need.

I am 8 months on Mounjaro and still on 3.75mg. Some days or weeks the suppression effects are lower, but they are enough to keep me on track, then some days or weeks they come back strong, so I am glad I didn't react and increase too soon.

Getting the most out of the lower doses, if they let you stay in your calorie deficit, saves you money by not increasing too quickly to the more expensive pens.

Also have a look into and consider if you would take a 6th dose from a pen. So doses on days 0,7,14,21,28,35. It is obviously a risk as outside the 30 day limit by 5 days and something to research yourself. I feel it is low risk and have taken 6 doses from my last 6 pens, I would not take a 7th as too far beyond for me. I have seen on here some suppliers will question if you only order every 5-6 weeks so watch out for that too.

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