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For me, AI has revolutionised dieting. Are others using it?

118 replies

LockHatter · 09/07/2025 07:20

Every week I ask Chat GPT to produce a meal plan that is three meals a day, high protein, under 1500 calories a day, includes one glass of wine each weekend evening and sources lunch from Itsu or Pret in my “work from office” days as I’ve told it that’s all I have access to.

I ask for the dinner recipes to be drawn from websites of favourite chefs I name.

it provides me a daily meal plan with calorie and protein totals, links to recipes from my chefs, and when I prompt it I get a shopping list from my chosen supermarket.

on weeks I am financially stretched I ask it to adjust for that. On weeks I am bored of an ingredient (usually chicken) I ask it to adjust for that. It excludes things I ask it to like bread or coriander.

if one night I have two glasses of wine rather than the one it planned for I ask it to adjust the rest of the week to compensate so my weekly calories and proteins remain on target.

it is so easy. I’ve lost 6kg in 4 months as a result.

Are others using AI this way? Any other tips for refining instructions that you would recommend?

OP posts:
Stuckonanothertrain · 10/07/2025 17:43

I do this. I also took a full body picture of myself front on and from the side. Uploaded and asked ChatGPT to make me look fitter/healthy weight. Now, every time I want an unhealthy snack I think about or look at the generated pictures and my end goal - it's really keeping me on track.

Put a big fat smiley over my face before uploading as didn't want to have those images identifiable.

waaaaaah · 10/07/2025 19:12

This is a great idea! I’ve just tried it and instantly got loads of lovely new recipes to try. However one chat asked me if I’d like a weekly or daily check in, I said daily and it asked me what time but then I pressed something and lost it. So started a new chat, repeating diet goals. I asked that one for a daily check in at X time, and it told me ChatGPT can’t do check ins. So found that a bit strange! Feel like I had a really great coach willing to go the extra mile, lost it, and this one can’t really be bothered as much 😂

LemonChiffon · 11/07/2025 18:34

waaaaaah · 10/07/2025 19:12

This is a great idea! I’ve just tried it and instantly got loads of lovely new recipes to try. However one chat asked me if I’d like a weekly or daily check in, I said daily and it asked me what time but then I pressed something and lost it. So started a new chat, repeating diet goals. I asked that one for a daily check in at X time, and it told me ChatGPT can’t do check ins. So found that a bit strange! Feel like I had a really great coach willing to go the extra mile, lost it, and this one can’t really be bothered as much 😂

It can do a daily check in, but it can't remind you to check in or send you a notification. You have to go in and tell it what day it is, but if you give it a good prompt it should work fine. Something like: 'Act as a weight loss coach. Encourage me in my weight loss journey. I will check in with you each day and please ask me x, y and z'. The more detail you give it in your prompt the better it will be.

You'll then need to go to that specific chat each time rather than starting a new one.

Interested in this thread?

Then you might like threads about these subjects:

BabyCatFace · 11/07/2025 19:15

LemonChiffon · 11/07/2025 18:34

It can do a daily check in, but it can't remind you to check in or send you a notification. You have to go in and tell it what day it is, but if you give it a good prompt it should work fine. Something like: 'Act as a weight loss coach. Encourage me in my weight loss journey. I will check in with you each day and please ask me x, y and z'. The more detail you give it in your prompt the better it will be.

You'll then need to go to that specific chat each time rather than starting a new one.

You can create projects from the left hand side of the app and then keep all your weight loss stuff and check ins etc within that project to find them easily

healthybychristmas · 12/07/2025 06:19

Stuckonanothertrain · 10/07/2025 17:43

I do this. I also took a full body picture of myself front on and from the side. Uploaded and asked ChatGPT to make me look fitter/healthy weight. Now, every time I want an unhealthy snack I think about or look at the generated pictures and my end goal - it's really keeping me on track.

Put a big fat smiley over my face before uploading as didn't want to have those images identifiable.

So did it give you a photograph of yourself looking much better? Did it also tell you how to go about that? That sounds amazing!

Stuckonanothertrain · 12/07/2025 12:05

It did! Very much along the lines what has been shared here already. It also suggested I'd need to lose about 12kg to look like the fitter version. I did not share my current weight. I mainly find the new image useful when I lack motivation or don't want to exercise...

FoxRedPuppy · 12/07/2025 12:21

I’ve just tried this, but the evening meal suggestions are a bit hit and miss. One is beef mince and mashed cauliflower. That sounds like something my Scottish granddad used to feed me 😂.

RayonSunrise · 29/01/2026 06:59

munchingmunch · 10/07/2025 16:32

I did this a few weeks ago but found quite uninspiring.

All the obvious things like greek yogurt with granola, chicken salad, salmon stir fry.

I have the same problem! I already know what it tells me, and since I have to double check all the amounts and nutritional info anyway to make sure it’s not hallucinated I find it easier to just get recipes from My Fitness Pal or Joe Wicks in the first place.

HighStreetOtter · 29/01/2026 07:12

Is this an AI answer/marketing? Trying to shoe horn a link in to something not related to the thread?

HighStreetOtter · 29/01/2026 07:14

Blunderbussviking · 09/07/2025 08:10

I think the problem is more that even if Chat Gpt spits out the perfect diet plan for someone, most people probably won’t stick to it because of lack of self control. OP is doing great, she is losing weight so she ‘s alright. But most overweight people I know have a lack of self control, or aren’t disciplined enough to stop eating when full, or can’t resist a whole packet of hobnobs or whatever. And Chat GPT won’t be able to give you those psychological tools.

Could you not ask ChatGPT to give you those psychological tools as well? A friend uses it for counselling and says it’s better than any real life counsellor she’s had. 🤷‍♀️

PinterandPirandello · 29/01/2026 07:28

Yes it’s great for this. I do slimming world and it adjusts everything to fit in with the plan. Ive made some nice soup recipes and it suggests high protein, low fat snacks I haven’t thought of myself. I’ve also added in a weights programme.

It’s a big help but i do still need will power. My dc do tell me off for the energy wastage using it though.

BabyCatFace · 29/01/2026 07:31

PinterandPirandello · 29/01/2026 07:28

Yes it’s great for this. I do slimming world and it adjusts everything to fit in with the plan. Ive made some nice soup recipes and it suggests high protein, low fat snacks I haven’t thought of myself. I’ve also added in a weights programme.

It’s a big help but i do still need will power. My dc do tell me off for the energy wastage using it though.

Do your DC stream video content through Snapchat, TikTok or Netflix etc? Because if so, tell them to pipe down. AI uses the internet. An AI search uses more 'internet' than a google search therefore more resources but so does streaming and everything else people do online. Teens are online a LOT so they are in no position to lecture anyone on the use of natural resources!

RayonSunrise · 29/01/2026 18:40

HighStreetOtter · 29/01/2026 07:14

Could you not ask ChatGPT to give you those psychological tools as well? A friend uses it for counselling and says it’s better than any real life counsellor she’s had. 🤷‍♀️

That’s a real problem actually, LLMs are notorious for flattering people and telling them how right/clever they are. There have been several cases of people who had MH issues going a very bad way using LLMs as councillors, because unlike people the LLM is just predicting what the user is prompting them to say -

https://www.bbc.co.uk/news/articles/c24zdel5j18o

A smartphone is displaying on its screen an option to download the ChatGPT application.

Microsoft boss troubled by rise in reports of 'AI psychosis'

Mustafa Suleyman said there was still "zero evidence of AI consciousness today".

https://www.bbc.co.uk/news/articles/c24zdel5j18o

BellesAndGraces · 29/01/2026 18:42

Blunderbussviking · 09/07/2025 07:56

Good for you but it’s nothing new. I think everybody figured it out by now.
People keep asking Chat GPT about all kind of stuff all the time.

I haven’t! Thank you OP, would never have thought to use ChatGPT like this!

ImogenBrocklehurst · 29/01/2026 18:51

I’ve been resisting AI so far but this has sparked my interest!

JumpingPumpkin · 29/01/2026 18:55

ImogenBrocklehurst · 29/01/2026 18:51

I’ve been resisting AI so far but this has sparked my interest!

Me too - not to lose weight but I like the meal planning ideas.

ImogenBrocklehurst · 29/01/2026 18:58

Blunderbussviking · 09/07/2025 08:10

I think the problem is more that even if Chat Gpt spits out the perfect diet plan for someone, most people probably won’t stick to it because of lack of self control. OP is doing great, she is losing weight so she ‘s alright. But most overweight people I know have a lack of self control, or aren’t disciplined enough to stop eating when full, or can’t resist a whole packet of hobnobs or whatever. And Chat GPT won’t be able to give you those psychological tools.

Or maybe they don’t have time or energy to meal plan and this will help. Away with you and piss on someone else’s chips.

HighStreetOtter · 29/01/2026 19:53

RayonSunrise · 29/01/2026 18:40

That’s a real problem actually, LLMs are notorious for flattering people and telling them how right/clever they are. There have been several cases of people who had MH issues going a very bad way using LLMs as councillors, because unlike people the LLM is just predicting what the user is prompting them to say -

https://www.bbc.co.uk/news/articles/c24zdel5j18o

Edited

That makes sense, yes rather worrying. I’ll stick to meal planning!

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