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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 34 - New Year (title courtesy of B&W) Come and join us and take CONTROL! Of your weight, and of your lives.

999 replies

BigChocFrenzyAteYourReindeer · 30/12/2013 01:10

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 or app 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!
eatriskier’s thread has some lovely inspiring stories which are worth checking out if you want some motivation to get started or keep going through a plateau. Please add your own too.
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 - link to that 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. (Though anecdotal evidence from these long-running threads may suggest otherwise…)
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 way of life!

OP posts:
LilyJoAndMe · 02/01/2014 14:50

Wow, second fasting day. This is really hard.
Waiting for tonight to have my meal with my H. I am not telling him yet that I'm doing this diet because I' m sure he'll freak out. So this is really haaaard !

MazzleDazzle · 02/01/2014 15:11

Fast day for me today and it's been the easiest one yet. I've only had water, herbal tea and black coffee so far.

I have consumed virtually no calories in the last 17 hours!
My tummy has only just started to rumble, so away to have a low cal fizzy drink to see if I can last a bit longer.

I've some soup prepared if need be.

Well done to everyone else who is fasting today!

BigChocFrenzyAteYourReindeer · 02/01/2014 15:20

Wayhay, I managed to get Dr Varady's ADF book. Anyone else ?

OP posts:
BigChocFrenzyAteYourReindeer · 02/01/2014 15:36

In the exercise thread, I'm listing highlights of her studies combining ADF and exercise. Fascinating book.

OP posts:
MaryHadALittleLambWithSomeVeg · 02/01/2014 15:40

Postponed FD. I will try again tomorrow. Managed to go 16 hours from eating last night before I ate something but after a cheese and ham sandwich the shortbread was calling me so its not even going to be a mini fast. Eeeek.

It's been a bit stressful trying to get kids to eat properly again after a week of indulgence, and preparing three different things for lunch got too much for me. I remember now why I found 5:2 so difficult in the summer. It's the constant cooking and clearing up for the kids that is the problem.

Thankfully next Tuesday they will be back in school!

BsshBossh · 02/01/2014 15:50

BigChoc what does she say about maintenance and continuing fasting. I've read elsewhere that she rarely fasts now she's at goal weight - just occasionally when putting on a few lbs. This disappointed me as I thought she'd want to continue fasting for the health benefits. This is why I'm curious about what she recommends people to do when they've attained goal.

LilyJoAndMe · 02/01/2014 15:52

On fast day and finding it really hard at the moment. Confused New to this

lucyintheskywithdinos · 02/01/2014 15:56

Doing ok so far. I'm just back from a five hour long tromp around the park with the DDs, feeling a bit hungry now, but not anywhere near caving.

I missed two fun parcels today though, new phone and vintage clothes. Bah.

mazzle well done!

BetsyBell · 02/01/2014 16:02

You can do it lilyJo! Just think how brilliant you'll feel tomorrow when you've achieved a fast day. Now, what are your eating plans for the rest of the day?

I'm coming to the end of my 24hr liquid only and will be eating my calorie allowance in about 1 hour.

Food tastes amazing when you don't eat for a while Grin

BigChocFrenzyAteYourReindeer · 02/01/2014 16:21

Bssh

She hasn't mentioned hormesis or the benedits of fasting, so far. She didn't in her CBS TV interview for the book, either.
Because theory not 100% accepted ?

My initial impression is that this book is entirely skewed to weight loss and maintenance for dummies (what sells the most). Nowhere near as much science as I hoped in the main text, just tantalising glimpses, much too simplified. However, the end of the book lists references I must check.

For maintenance, to avoid weight regain, she recommends 1000 cals per day on Mon, Wed and Fri.

However, she writes earlier that studies show 25% TDEE FDS are the optimum to lower the risk factors for heart disease, not 50%.
Maybe she has little faith in the willpower of the general pop.

Incidentally, she says 25% is also better than zero cals, which is not what I understood reading Mark Mattson - I'll read this book properly, but it might mean B&W and I need to reconsider the zero-cal FDs.

I'll read more later; I must get ready for the gym now.

OP posts:
BiscuitsAreMyDownfall · 02/01/2014 16:25

NFD for me. Just as well since I had last night's leftovers for lunch. A rather large plate of pasta. Although I have just come back from an 8 mile run and it's been my only meal so far so am easily doing a 16:8. I feel great after the run. Didn't plan to go that far, but I was enjoying myself.

FD tomorrow. Soup for a late lunch and not sure for tea as it's a trip to the supermarket in the morning so will get something in then.

LilyJo why don't you ease yourself into FDs. Allow a few more than 500 calories, go for 800 or even 1000 at first. That's still a good start. You can do this. Keep busy, remember hunger comes in waves, have some warm water (apparently this is a really good hunger deterrent), read the hints and tips thread to give you ideas how to survive the FD (also kill some time). Good luck. I've not really told DH either although I have left big hints, but that's only a recent thing and I first tried to start this in October(ish) time.

TalkinPeace · 02/01/2014 16:35

WOW, lots of new people.

And really pleased that we have delurkers like Glass utterly proving the point that you have to get your head into the right place and then your body will follow.

To all of those struggling with the first few fasts - hang on in there
as the feeling of success and self control when you make it through is a really important part of why this works.
YOU are deciding, not a book or a club or another person, YOU.

On the other hand there is no such thing as a fast day fail
there is only a mini-fast or a rescheduled fast
because tomorrow is another day.

I am going to go and brave the scales at the gym tomorrow aren't I Xmas Shock

ToffeeOwnsTheSausage · 02/01/2014 16:35

Lily - just pick one aspect and try that, maybe? I struggled at first to get to grips with the whole WOL WOE but now it is almost second nature if you ignore no fasting for a week as ill and the odd abandoned FD!

LilyJoAndMe · 02/01/2014 16:36

Betsty Bell and Biscuits ,
Thanks for cheering me on. It's a big help. I think it would be good to have a cheering on thread for this diet. Smile

ToffeeOwnsTheSausage · 02/01/2014 16:53

Feeling better, dinner is only 306 calories!! Shock. How much do people reckon one circle of my bacon and stilton bread is??

So cold here. Fell asleep. Then heard really bad weather due. Blinking heck.

WhenSheWasBadSheWasExhausted · 02/01/2014 16:57

Not had time to properly read today's thread but its good to see more breast feeding fasters here.

My ds is 9 weeks how about your kids? Tried a fast yesterday and came in over at 1100 cals. Think I might plan the next fast for Sat.

ditavonteesed · 02/01/2014 17:10

argh I made some popcorn as I was so hungry, only 100 calories so not too bad, expect then I ate 3 chocolates. think that takes me to about 650 calories, is that ok for the first go? or if I leave my soup until after 6.30 then I will only have had 500 in 24 hours, does that count? or did I just fail? try again on sunday.

BetsyBell · 02/01/2014 17:11

This is the cheering on thread lilyjo! It just gets a bit quiet at some points in the day :)

How are you faring?

CJMommy · 02/01/2014 17:13

Well, another newbie here!
I could've done two fast days in the time it's taken me to read this thread!

Anyway, reckon I've been anywhere between 1.5-3 stones overweight for all my adult/teen life. Got to my lowest pre-DC2 at 10.4 and at the end of 2013 weighed in at 11.5 Blush. Am 5ft 2 so ideally want to be between 9-9st7lbs - I have no idea what that would look like as I've never quite made it there!

I can't fit comfortably into any of my clothes and feel really shit! Done WW, SW, Dukan, SlimFast, starvation and every other one imaginable over the years - some success and then fall off the wagon.

I know I can easily do a 16hr fast and have heard so many good things about 5:2. I need to change my mindset from wanting the quick fix fast weight loss and consider more long term. I really think I can do this! The stories on here are great - please keep them coming.

So, my plan is to slowly alter what i eat with my FD being Mon and Thurs. I am going to weigh myself on Monday morning and go from there. Think I may measure myself too - not something I have done before.

Do you think a first goal of one stone by the beginning of March is realistic?

BetsyBell · 02/01/2014 17:16

That's a good first effort dita - next time you'll know not to have any chocolates around the house! Have your soup but no more if you can manage. But yes, consider it a successful first fast :)

If you really need chocolate have a small amount of the high quality 70% dark stuff - gives you the chocolate kick without the massive calories.

BsshBossh · 02/01/2014 17:16

Thanks for sharing the Varady info BigChoc. Interesting to read her thoughts on the efficacy (or lack thereof) of zero cal fasts.

TalkinPeace · 02/01/2014 17:19

dita lesson to self : no snacking. If in doubt have a hot drink as once you start munching its hard to stop!

CJMommy
welcome to the gang
Measuring is a really good thing to do because a lot of fat loss changes shape but not weight.
Aim - roughly - for 1 to 1.5 lb per week
You might do more, you might do less but faster than that often ends up in a yoyo

BetsyBell · 02/01/2014 17:21

CJmommy Totally achievable! Welcome to the threads :)

You'll be in good company with Monday and Thursdays. Measuring yourself is an excellent idea.

This is a great long term 'plan' - there's so little hardship and most us here actively look forward to the Monday fasts after an indulgent weekend. I've been doing it nearly a year now and no plans to stop Grin

MazzleDazzle · 02/01/2014 17:52

BigChoc if her book's right, and 25% is better than 0 cal FD, I'll be disappointed. Today has been my first zero day and I'm finding it easier than a 500 cal day, as once you start eating, it's really difficult stopping!

BsshBossh · 02/01/2014 17:57

Mazzle I've done a few zero cal 36 hour FDs (ie nothing at all to eat between 8pm day 1 and 8am day 3) because it's sometimes easier. But generally I do 24 hour zero cal fasts and save my FD calories for late in the night eg 8 or 9 pm of the FD (day 2 going by above example). This means I'm full on my FD calories just before bed and am not tempted to eat more.

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