New diet craze? Or just new to me?

I was reading online about a diet called 5:2 diet. First time hearing or reading about it. Can y’all debunk this or is it real? Anyone do it? Is it just like all the other diet crazes like no sugar, etc? lol
PSA: NO IM NOT POSTING THIS BECAUSE IM INTERESTED IN DOING THIS.
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Replies

  • rickiimarieee
    rickiimarieee Posts: 2,212 Member
    Do they eat at maintenance or not watch what they’re eating at all (which I don’t see how restricting calories for two days can make up for hundreds or thousands of calories over maintenance)
  • sijomial
    sijomial Posts: 19,809 Member
    edited April 2019
    Not at all new - I did it about 6 years ago to lose my excess weight.
    Maybe it's getting a resurgence with the recent popularity of intermittent fasting?

    Read more at https://thefastdiet.co.uk/ if interested.
    By the way the "fast" part refers to fasting not fast as in speedy as it's not intended to be a rapid weight loss plan.

    What's to "debunk"? It just a different way to create a reasonable weekly deficit.
    Like all diets or eating patterns it suits some people and is hateful for others.
  • puffbrat
    puffbrat Posts: 2,806 Member
    Are you still breastfeeding? Eating that low 2 days/week could further negatively affect your supply.
  • rickiimarieee
    rickiimarieee Posts: 2,212 Member
    puffbrat wrote: »
    Are you still breastfeeding? Eating that low 2 days/week could further negatively affect your supply.
    No, doctor prescribed me medicine and wasn’t sure if it was safe to take while breastfeeding so I just stopped breastfeeding just in case, also didn’t produce enough and had surgery so didn’t want those drugs that were injected into me go through my breastmilk to my LO. But I’m not asking about this because I wanna do it, just curious on how it works.
  • rickiimarieee
    rickiimarieee Posts: 2,212 Member
    The website said nothing about eating at maintenance so I was wondering. I’m sure people do this and eat whatever they want those 5 days then diet the 2 days and wonder why they’re not losing weight
  • rickiimarieee
    rickiimarieee Posts: 2,212 Member
    kimny72 wrote: »
    Not new, it's a form of Intermittent Fasting. Your weekly calories end up the same as if you were doing a regular daily deficit. The people who do well on it are usually those who feel like they can never get full on a deficit. If they can manage to get through the two low cal days, those 5 days at maintenance feel easy. I could never get through those two low cal days though :wink:

    Thank you, just wasn’t very clear on the article. Said nothing about weighing food or counting your calories (correctly anyways) and nothing about eating at your calorie maintenance. So it’s very misleading
  • rickiimarieee
    rickiimarieee Posts: 2,212 Member
    sijomial wrote: »
    Not at all new - I did it about 6 years ago to lose my excess weight.
    Maybe it's getting a resurgence with the recent popularity of intermittent fasting?

    Read more at https://thefastdiet.co.uk/ if interested.
    By the way the "fast" part refers to fasting not fast as in speedy as it's not intended to be a rapid weight loss plan.

    What's to "debunk"? It just a different way to create a reasonable weekly deficit.
    Like all diets or eating patterns it suits some people and is hateful for others.

    Thank you, just wasn’t very clear on the article. Said nothing about weighing food or counting your calories (correctly anyways) and nothing about eating at your calorie maintenance. So it’s very misleading.
  • sijomial
    sijomial Posts: 19,809 Member
    Do they eat at maintenance or not watch what they’re eating at all (which I don’t see how restricting calories for two days can make up for hundreds or thousands of calories over maintenance)

    If someone's idea of "eating normally" is thousands of calories over maintenance then they have real problems which need more action to resolve than eating little twice a week!

    Although it wasn't intended/designed to be in conjunction with calorie counting many people did, 5 days at maintenance and 2 days very large deficit. Personally I found it far easier than everyday calorie restriction which bores me, frustrates me and kills my exercise performance.
  • rickiimarieee
    rickiimarieee Posts: 2,212 Member
    MikePTY wrote: »
    It's not that new. It's real in the sense that it works to create a deficit in those two days which you can lose weight from. It may work for some people as an appetite control strategy. But I don't think it's the next great weight loss technique. Michael Mosely, who created it, doesn't even use it anymore. He's on to the next diet (funny how there is always a next new best diet whenever a book is due to a publisher). But I think it can be successful for some people.

    Lol definitely. Like keto, no sugar and all those. Not saying it doesn’t work but for most people these diets aren’t ideal, some are extremely unhealthy. But the article didn’t mention much so it’s very misleading, so I imagine it’s very misleading to people hwho don’t know or don’t believe in counting calories and weighing food.
  • rickiimarieee
    rickiimarieee Posts: 2,212 Member
    sijomial wrote: »
    Do they eat at maintenance or not watch what they’re eating at all (which I don’t see how restricting calories for two days can make up for hundreds or thousands of calories over maintenance)

    If someone's idea of "eating normally" is thousands of calories over maintenance then they have real problems which need more action to resolve than eating little twice a week!

    Although it wasn't intended/designed to be in conjunction with calorie counting many people did, 5 days at maintenance and 2 days very large deficit. Personally I found it far easier than everyday calorie restriction which bores me, frustrates me and kills my exercise performance.
    sijomial wrote: »
    Do they eat at maintenance or not watch what they’re eating at all (which I don’t see how restricting calories for two days can make up for hundreds or thousands of calories over maintenance)

    If someone's idea of "eating normally" is thousands of calories over maintenance then they have real problems which need more action to resolve than eating little twice a week!

    Although it wasn't intended/designed to be in conjunction with calorie counting many people did, 5 days at maintenance and 2 days very large deficit. Personally I found it far easier than everyday calorie restriction which bores me, frustrates me and kills my exercise performance.

    Not saying I do but it can be easy to go over a thousand calories over an estimated maintenance, mine is like 1500 and a cookie the size of a half dollar is 75 calories (just one cookie) plus it’s easy to overeat during meals, especially pasta.
  • sijomial
    sijomial Posts: 19,809 Member
    sijomial wrote: »
    Not at all new - I did it about 6 years ago to lose my excess weight.
    Maybe it's getting a resurgence with the recent popularity of intermittent fasting?

    Read more at https://thefastdiet.co.uk/ if interested.
    By the way the "fast" part refers to fasting not fast as in speedy as it's not intended to be a rapid weight loss plan.

    What's to "debunk"? It just a different way to create a reasonable weekly deficit.
    Like all diets or eating patterns it suits some people and is hateful for others.

    Thank you, just wasn’t very clear on the article. Said nothing about weighing food or counting your calories (correctly anyways) and nothing about eating at your calorie maintenance. So it’s very misleading.

    You are reading a tiny exerpt about it which doesn't explain it fully - or even completely accurately TBH.
    The theory was that people who don't calorie count might eat slightly over maintenance on the five days but not enough to cancel out the two low days.

    Studies did seem to support that theory when done on Alternate Day Fasting plans.
  • kshama2001
    kshama2001 Posts: 28,052 Member
    kimny72 wrote: »
    Not new, it's a form of Intermittent Fasting. Your weekly calories end up the same as if you were doing a regular daily deficit. The people who do well on it are usually those who feel like they can never get full on a deficit. If they can manage to get through the two low cal days, those 5 days at maintenance feel easy. I could never get through those two low cal days though :wink:

    Right, I could never get through those two 500 calorie days either.
  • rickiimarieee
    rickiimarieee Posts: 2,212 Member
    sijomial wrote: »
    sijomial wrote: »
    Not at all new - I did it about 6 years ago to lose my excess weight.
    Maybe it's getting a resurgence with the recent popularity of intermittent fasting?

    Read more at https://thefastdiet.co.uk/ if interested.
    By the way the "fast" part refers to fasting not fast as in speedy as it's not intended to be a rapid weight loss plan.

    What's to "debunk"? It just a different way to create a reasonable weekly deficit.
    Like all diets or eating patterns it suits some people and is hateful for others.

    Thank you, just wasn’t very clear on the article. Said nothing about weighing food or counting your calories (correctly anyways) and nothing about eating at your calorie maintenance. So it’s very misleading.

    You are reading a tiny exerpt about it which doesn't explain it fully - or even completely accurately TBH.
    The theory was that people who don't calorie count might eat slightly over maintenance on the five days but not enough to cancel out the two low days.

    Studies did seem to support that theory when done on Alternate Day Fasting plans.

    Yes I read very few articles about it (weren’t sure if they were accurate that’s why I asked about it) but none said anything about eating maintenance that’s why I was asking here to see if anyone does it or did it.
  • rickiimarieee
    rickiimarieee Posts: 2,212 Member
    sijomial wrote: »
    sijomial wrote: »
    Not at all new - I did it about 6 years ago to lose my excess weight.
    Maybe it's getting a resurgence with the recent popularity of intermittent fasting?

    Read more at https://thefastdiet.co.uk/ if interested.
    By the way the "fast" part refers to fasting not fast as in speedy as it's not intended to be a rapid weight loss plan.

    What's to "debunk"? It just a different way to create a reasonable weekly deficit.
    Like all diets or eating patterns it suits some people and is hateful for others.

    Thank you, just wasn’t very clear on the article. Said nothing about weighing food or counting your calories (correctly anyways) and nothing about eating at your calorie maintenance. So it’s very misleading.

    You are reading a tiny exerpt about it which doesn't explain it fully - or even completely accurately TBH.
    The theory was that people who don't calorie count might eat slightly over maintenance on the five days but not enough to cancel out the two low days.

    Studies did seem to support that theory when done on Alternate Day Fasting plans.

    Could this work in breaking a plateau? Or when you get to your last little bit of weight you wanna lose and it’s only 0.5 a week? I know it was said earlier than it’s a slow loss with this diet.
  • earlnabby
    earlnabby Posts: 8,171 Member
    I was reading online about a diet called 5:2 diet. First time hearing or reading about it. Can y’all debunk this or is it real? Anyone do it? Is it just like all the other diet crazes like no sugar, etc?

    New to you. I remember it from the 70's. Everything old is new again. If it was the magic bullet it wouldn't have faded into oblivion only to be resurrected again at least twice (it was kind of big in the 90's for a short while)
  • texasredreb
    texasredreb Posts: 541 Member
    Seems like some sort of modified fast; except you drastically reduce rather than fast. I guess it could work for some...
  • sijomial
    sijomial Posts: 19,809 Member
    sijomial wrote: »
    sijomial wrote: »
    Not at all new - I did it about 6 years ago to lose my excess weight.
    Maybe it's getting a resurgence with the recent popularity of intermittent fasting?

    Read more at https://thefastdiet.co.uk/ if interested.
    By the way the "fast" part refers to fasting not fast as in speedy as it's not intended to be a rapid weight loss plan.

    What's to "debunk"? It just a different way to create a reasonable weekly deficit.
    Like all diets or eating patterns it suits some people and is hateful for others.

    Thank you, just wasn’t very clear on the article. Said nothing about weighing food or counting your calories (correctly anyways) and nothing about eating at your calorie maintenance. So it’s very misleading.

    You are reading a tiny exerpt about it which doesn't explain it fully - or even completely accurately TBH.
    The theory was that people who don't calorie count might eat slightly over maintenance on the five days but not enough to cancel out the two low days.

    Studies did seem to support that theory when done on Alternate Day Fasting plans.

    Could this work in breaking a plateau? Or when you get to your last little bit of weight you wanna lose and it’s only 0.5 a week? I know it was said earlier than it’s a slow loss with this diet.

    If it significantly changes your overall calorie balance then yes, if it doesn't then no.

    It's just an alternative way to cut some calories. If you want to lose 0.5lbs a week you could cut 1,750 off your TDEE one day (obviously easier if someone has a high TDEE) and eat at maintenance six days. I would expect the same weight loss trend results if that person decides to cut 250 cals 7 days a week. You would see bigger daily variations though.

    My current approach to losing a few pounds is different again!
    When I cut down to my best cycling weight in Spring I just tend to regard that as XX,000 cals to be taken off any old way that suits me, loads of maintenance days, some days with a low deficit, some with a high deficit.

    I just regard these approaches as different, not better or worse except on a very personal level for adherence.

    PS - I would say to follow up on @kimny72 and @kshama2001 very valid point. You definitely get to learn what true hunger is!
    I actually found that aspect useful I it helped me to identify that a lot of my hunger was really habitual eating, want not need (I like food!) etc. It just happened to suit my strengths of being ridiculously determined short term (dieting one day at a time) and avoided my weakness of finding it hard to stick to a small deficit every day derailing me.
  • goodasgoldilox165
    goodasgoldilox165 Posts: 333 Member
    5/2 has been around for a while. :smiley:

    You aren't supposed to need to count calories on your non-fast days but you should be eating 'normally'. (So not treating yourself with extra cookies for fasting so well.)

    The trouble is that most of us with weight problems haven't a very clear idea of what 'normal' eating is.

    I suppose if you try it and don't lose much, you need to go back to counting again.
  • joolsmd
    joolsmd Posts: 375 Member
    I use 5:2 often for managing and maintaining my weight loss. The idea is not to gorge on the non-fast days, and I can be quite strict on non fast days using MFP to log my calories. I find it the most successful way to lose weight I have tried yet.
  • Johnd2000
    Johnd2000 Posts: 198 Member
    I did it for most of my weight loss, but I ate at a small deficit (1800, roughly counted) for 5 days and 800 for 2.

    I then maintained for a year by simply reintroducing the 2 hungry days whenever I hit the top of my maintenance range.

    This was all before I discovered MFP, but my eyeballing portions to keep a rough count in my head turned out to be quite accurate. When I started using MFP, I found I was eating around 1800-2000 on average.