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A space to talk openly about weight loss journeys and challenges. Mumsnet hasn't checked the qualifications of anyone posting here. You may wish to speak to a medical professional before starting any diet.

Please give me a boost! day 4 of Fast 800 initial 2 weeks

6 replies

Haemagoblin · 11/12/2025 14:36

Hi folks. I went to a family Christmas do and someone sneaked a photograph of me, and wow what a kick in the teeth - I look awful! I know academically that I am about 4 stone overweight; but somehow in the mirror and in my head I feel much smaller. Some sort of weird reverse body dysmorphia? So it was a shock i can tell you to see that fat woman who looks like my mother!

So I have decided, season of good cheer be damned, I have to sort this out now. Years of binge eating, making good plans and failing by lunchtime... But this time I HAVE to mean it, or it will never change and I'll only get worse!

I'm quite an extreme person - just 'eat healthier' doesn't work for me, I just slide and slide or say 'tomorrow'. So I need a radical system to get me going.

I've chosen fast 800 because it feels sustainable to me whilst still (hopefully) giving me the quick results I need to stay motivated. I' going to do it for the two weeks before the Christmas hols, go up to 1500 cal per day for the holidays, then start the 5:2 phase in the new year.

First three days were OK; today is day 4 and I chose not to go to my office Christmas do because I KNOW I can't be there with all the cake and not eat it. Which I'm actually quite pleased with myself for realising, but it does have me feeling a bit sorry for myself.

Someone give me a little boost please and tell me I can do it!

OP posts:
MamaBobo · 11/12/2025 18:50

You can do it….you really bloody can!!! The first few days are the toughest and you are through those. You have a solid and workable plan.

We did the Fast800 earlier this year after I had lost all hope when absolutely no other diets were working for me post menopause. It works. We did 2 full weeks, then 5:2 and I lost 14 kg and have kept it off. Having had a spell of absolutely no dieting and not gaining weight come January I’m going back on the 800 to kick start my next chapter.

You’ve recognised a situation that might have derailed you and planned round it, Well done you. That’s a big win!! This bit isn’t forever….but it really does get things moving. Once you are on the 5:2 don’t focus on calories but on eating the right food, meals at meal times, avoiding processed carbs and rubbish and keeping to Time Restricted Eating….we had a 14 hour fast with breakfast at 9am and dinner no later than 6pm.

You have absolutely got this!!!

therearesigns · 12/12/2025 06:15

You can do it. The Fast800 does need a little willpower but the food is great, which really helps. I've just done 12 weeks and lost 21 lbs, which I think is about 1.5 stone. Pretty happy as about half a stone till I'm at goal. I tried so many things and this is the only thing that has finally worked for me.

Haemagoblin · 12/12/2025 15:01

Thanks people! Still soldiering on with day 5. Noticing some very interesting things about myself i.e. that I need to be busy or I get very hungry! My day off today and I spent the whole day doing the big shop, working on the allotment and wrapping all my Christmas gifts 😂 now going to pick up the kids and that'll keep me busy. But what do you DO in the evenings? Beer and a snack are so much a part of my wind down routine at the weekend ...

OP posts:
therearesigns · 12/12/2025 20:41

Haemagoblin · 12/12/2025 15:01

Thanks people! Still soldiering on with day 5. Noticing some very interesting things about myself i.e. that I need to be busy or I get very hungry! My day off today and I spent the whole day doing the big shop, working on the allotment and wrapping all my Christmas gifts 😂 now going to pick up the kids and that'll keep me busy. But what do you DO in the evenings? Beer and a snack are so much a part of my wind down routine at the weekend ...

Have a herbal tea. If I started feeling snacky during the morning or mid-afternoon, I either had black coffee or herbal tea. It does seem to fill the gap. I found my body did adjust. I don't even want to eat more often now.

Haemagoblin · 22/12/2025 14:30

Well I did it! two weeks on 800 calories per day. And I barely wanted to binge.

Just now though, simply because I could, I just ate a serving of dry roasted peanuts, a cheese roll and two biscuits. And I feel awful! Really honestly awful. My stomach hurts. I feel a bit sick. And most noticeably my head is really foggy, like I have flu.

I am not joking when I tell you that before the last two weeks I could have eaten a four pack of rolls stuffed with cheese, the whole packet of biscuits and a grab bag of peanuts easily.

But I was always tired, bloated, groggy. That was just normal.

I didn't notice that I was feeling particularly better than usual until just now when I stopped.

I was going to let myself off now over Christmas. But honestly I don't know if I want to! This is horrible!

What's odd is I can feel myself wanting to eat more, despite the horrible feelings.

God the body is a funny thing isn't it.

OP posts:
HarlotOTara · 22/12/2025 14:42

I have lost 23lbs doing Fast800, on average 2-3lbs per week and no weight gain. I am having a break for Christmas but will start again in the New Year to lose the next 20. I have all the recipe books and use them, the recipes are great. I have found it a breeze, surprisingly. I was very sceptical but gave it two weeks, not expecting it to work. If I get cravings I have found a cup of Bovril or miso good but I am eating far less and not wanting the crap I was eating before.

I do think you have to be in the right frame of mind to lose weight however and this time I was. Keep going

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