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Fasting / 5:2 diet

Talk about intermittent fasting and 5:2, including what’s worked for others. Mumsnet hasn't checked the qualifications of anyone posting here. You may wish to speak to a medical professional before starting any diet.

The 5:2 thread number 29 - The C word party season is not too far off, come join us and drop a few pounds. Warning! This way of eating is so easy you may never want to stop...

999 replies

BetsyBell · 22/10/2013 21:54

The continuing thread for those of us following the 5:2 fast or other forms of fasting such as 4:3, ADF, or daily 16:8.

The 5:2 diet was featured on Horizon in August 2012 and essentially requires you to fast for 2 non-consecutive days per week. The other 5 days, you can eat normally - or approximately your Total Daily Energy Expenditure (TDEE - see explanation below). 4:3 is the same except you fast on 3 days in the week. Alternate-day fasting (ADF) is just how it sounds; you fast every other day. 16:8 is another form where you stick to only eating in an 8 hour window each day, therefore fasting for 16 hours each day.

By "fasting", we mean that we keep our calorie consumption very low, around 500 calories on average for a woman, 600 for a man, on those days.

You'll find on these threads we use a number of acronyms. If you're new to the threads, or Mumsnet in general, they might not make much sense.

WOE/WOL = Way Of Eating/Way Of Life. We use this term instead of "diet" as many of us see this as something to do in the long term.

MFP = My Fitness Pal, a website many use for keeping track of the number of calories they're eating.

TDEE = Total Daily Energy Expenditure, quantifies the number of calories you burn in a day. This measure is best estimated by scaling your Basal Metabolic Rate to your level of activity. TDEE is critical in tailoring your nutrition plan to desired fitness goals. Here is a link to a calculator to help you figure out how many calories you should be eating in a day.

NFD = Non fast day

NSV = Non scale victory

Michael Mosley has a website to accompany his book on the subject. Please go check it out, as he's the whole reason most of us are here!

Lurkers and new starters: please just jump in and post - you'll find a lot of support here and we’re a friendly bunch.

Here is a list of links to get you started with this way of eating. Please let us know if you find a new article or some other information online:

All our previous threads can be found by browsing through the fasting section of the site.

Another thread which breadandwine has started is a good resource for some of the tips and links that get lost in these big threads. In addition to sharing links, we try to condense some of our top tips for fasting there. Keep in mind, we all do this differently, so these are just tips, not rules. This might be a good place to catch up with us if you're feeling a bit lost!

frenchfancy has a recipe thread over here, please post any low-calorie recipes there so they don't get lost in these bigger threads!

If you've been at this a while and are moving on to maintaining your goal weight, there is a thread here to discuss that.

Here is the link to the BBC article regarding Michael Mosley's findings, which was featured on Horizon.

There's a link to the aforementioned Horizon programme here.

A blog post here gives some of the scientific explanation for why this way of eating helps you to not only lose weight, but improve your all-around health.

This link nicely demonstrates that there are many body ‘right’ body shapes and types, because what we are actually aiming for is low body fat for fitness and health.

A Telegraph article which comments on the diet and gives a brief overview by Dr Mosley himself, very informative if you're just starting. (I highly recommend this for an overview)

A study discussed here gives commentary specifically addressing the effect of this diet on obese people (both men and women), with regard to both health and weight loss. ("After 8 weeks of treatment, participants had an average 12.5 lbs reduction in body weight and a 4 cm decrease in waist circumference. Total fat mass declined by about 12 lbs while lean body mass remained relatively constant.) it also mentions "Plasma adiponectin, a protein hormone that is elevated in obesity and associated with heart disease, dropped by 30%. As did LDL cholesterol (25%) and triglycerides (32%).")

Something to consider if you are currently your ideal BMI: this appears to suggest the benefits for women at a lower BMI might not be seeing the same health benefits that are found on men at their ideal BMI.

A BIG THANK YOU to all who have been contributing. Most of us are learning this way of eating as we go along. All of the links above have been posted by others in our previous threads, and they've been very helpful.

A HUGE THANK YOU to Greeneggsandnicht for putting together all this info and resources into one concise OP text, much appreciated by so many 5:2ers!

Come join us, and tell us about your experiences with this diet!

OP posts:
BsshBossh · 26/10/2013 09:13

eat wooooooohooooooo, well done Thanks.
lucy excellent work too!

somewherebecomingrain · 26/10/2013 09:30

eat amazing!

BigChocFrenzy · 26/10/2013 10:03

eat What an achievement !! Superstar !!
Flowers Flowers

I'm FDing today, so is mehefin - I hope your work goes well today.

Any other Saturday loonies ?

My cleaning persons are here at the moment, so I will have a shiny new flat that I mustn't spoil with cookie crumbs tomorrow (motivation).

BigChocFrenzy · 26/10/2013 10:06

I fell asleep slept most of yesterday evening, because I was so tired after too many late nights Kindling and sorting out winter clothes.
I think this is why I ate 4500 + yesterday: my bod wanted something to help me sleep - and also to ensure it was too full to do the planned evening training.
Devious bod.

Fundamental rules I know and should act on:

  1. Get enough sleep !
  2. If I am sleepy on an NFD, be very mindful to avoid pig frenzy

(Kick backside again)

Talkinpeace · 26/10/2013 10:56

Where have the hands been that were in the biscuit tin before mine ?
If that does not put everybody off shared snacks at work and coffee mornings, nothing will

eatriskier
You have done amazingly AND are the photographic proof that getting fit while losing weight will make the butterfly appear out of the caterpillar.

Now we just need to see how Bssh is doing .... Grin

BigChocFrenzy · 26/10/2013 12:25

lucy Well, done. 3 stone is wonderful Flowers

eatriskier · 26/10/2013 13:21

Nice one lucy!

Twinmama32 · 26/10/2013 16:06

Wowzer eat well done you, what an achievement! Thanks
Weighed in today at 11st 1, so a 200g loss this week, but 3.5 stone loss overall so can't complain. 8Ibs to go!!!

Sophiste · 26/10/2013 16:40

Well I am outraged. Why did nobody warn me how expensive this WOE would be? Had to go shopping today for new bras, trousers and jumpers as everything I've got is too big - and there's no guarantee any of the new stuff will still fit by Christmas.

Just kidding of course. I am delighted to be shrinking. And I've been so busy with shopping and chores that I haven't managed to eat anything yet, so it's turned into an unplanned bonus FD.

Congratulations to all those with such inspiring results posted in the last couple of days Thanks.

Talkinpeace · 26/10/2013 16:42

Lol Sophiste
as you shrink, charity shops become your friend because a lot of the small stuff is in really good condition

MelanieCheeks · 26/10/2013 17:18

I'm wearing a funky Hallowe'en waistcoat I found in a charity shop for today's pumpkin carving.

eatriskier · 26/10/2013 17:44

sophiste a lot of us are charity shop converts for the mid sizes. I'm wearing a pair of lee coopers and a river island jumper - total cost under £8. I have also picked up several items with tags still, and most I've bought show very little sign of wear at all.

Sophiste · 26/10/2013 18:07

Embarrassingly Blush it hadn't even occurred to me to browse in the charity shops - haven't done that since I was a student! Great idea - and I can offload a couple of bags of size 14s while I'm at it.

Breadandwine · 26/10/2013 19:01

Fantastic before and after pics, eatriskier! (Don't like to shorten that to eat - it sounds too much like an instruction! Grin)

Butterfly is an apt description, you look wonderful!

I've just thought, maybe we should have a friendly competition - along the lines of 'Biggest loser' (that needs a bit of work! Grin, or 'Most weight lost', or 'Most weight lost over shortest time'. Any one of which, ER, you'd be in line for.

BsshBossh · 26/10/2013 19:38

eatriskier would definitely be in the running for "most weight lost over shortest time". It's truly remarkable!

Since you've all been losing weight, are you more hyper aware of the weight in others? I drove to Shropshire today and stopped off at a Welcome Break for lunch. All I could notice was how overweight at least 80% of the other lunchers were. For the first time, I was in the minority. I don't notice it as much here in London. But when I was overweight, I simply didn't notice how many others were overweight or not... I had to really fight my not-at-all-nice-or-fair feelings of smugness and judgment. I mean - who am I to judge anyone!!!

wrigglebum · 26/10/2013 20:34

Amazing pics eatriskier, bet people don't recognise you now. And you'll find it a breeze to maintain on this woe too.

Talkinpeace · 26/10/2013 20:34

Bssh
Yup, you'll turn into judgey pants. My kids constantly tease me for it.
BUT
knowing how easily it can be done makes one much less tolerant of those too lazy to do so.
But you have to bite your tongue as they will never believe you were once fat so will ignore anything you say.

Around 1 in 20 people are genetically / metabolically fat : nothing they can ever do will make them slim. A lad in DDs class is like that and he's an utter sweetie and will always be big. The others have no excuse.

BigChocFrenzy · 26/10/2013 20:44

Bssh My highest BMI was 24.9, so I've been shocked by the increase in obesity over the last 30 years.
When I was at school and uni (dodging dinosaurs between ice ages), there would be one fat student per class.
Now, most people seem very overweight, not just middle-aged spread as before; some are absolutely huge in their teens or 20s. I've never felt smug, just horrified.
The other massive change is that food is available 24/7, whereas before there was no fast food or ready meals.

BigChocFrenzy · 26/10/2013 20:45

Genetics don't change that quickly;our environment has.

TheSinisterTrifle · 26/10/2013 20:52

Marking thread for later

Talkinpeace · 26/10/2013 20:54

bigchoc come to my local supermarket on a saturday morning Shock

my top ever BMI was 28 and I looked dire - and I knew it at the time
I started 5:2 when I was at 23 and really see no need to go over 21.5 ever again
and yes, as a kid in the early 70's there were no snacks and we seemed to cope out OK

Talkinpeace · 26/10/2013 20:55

thesinistertrifle
welcome - come and join in when you fancy.

BigChocFrenzy · 26/10/2013 22:02

mehefin I hope your FD went well.

My mini-FD was excellent: just 20 cals in 22 hours, with fasted training. I then ate a huge supper (classic Lean Gains theory) but even I can't exceed my TDEE by too much in a single meal.
So, I may have cracked the Saturday piggy problem, although not elegantly. I'll have to see if the Saturday total is more important the timing.
I am my own guinea pig. Fascinating.

annielewis · 26/10/2013 22:20

Ive sort of ended up doing another fast day today and ended up only having about 600 cals. Feel hungry and am in danger of getting a bit obsessed about calorie counts..... anyone else in danger of becoming a bit obsessed? Have got about 2 stone to lose and want things to happen, am very impatient!!!

BsshBossh · 26/10/2013 22:54

I grew up in the 70s and don't remember snacking much (except Fridays after school as they were sweetie days - a tradition I've passed into my DD). Nowadays all the kids in my daughter's class (year 1) are met by their parents after school with crisps and biscuits. Except mine who has fruit. The thing is, other parents complain their kids are fussy eaters, not finishing their dinners - except mind who is hungry enough to scoff the lot (admittedly she eats as early as 5pm but it's healthy food, not junky snacks).