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Intermittent fasting

I have a friend who has lost a good deal of weight doing this but he's over 40 and I have to wonder if this is healthy. He recommended I try it to lose my Christmas weight but I'm not sure it's good for you in the long run. Couldn't it damage your metabolism? He doesn't eat for 24 hours sometimes. Does anybody here have personal experience with it?

by Anonymousreply 69a day ago

OP is worse than...

by Anonymousreply 112/30/2018

Here's a good video on it OP. I learned a lot from this.

I avoid eating for 16 hours straight 2 or 3 days a week. I actually find myself a little mentally sharper those days.

No risk of damage to your metabolism, regular eating all day isn't actually what humans evolved to do. And our lack of adjustment to it is one reason diabetes is so common. Our body wasn't meant to produce as much insulin as frequently as it does and we still aren't really used to it

by Anonymousreply 212/30/2018

Like "keto" and "paleo" and "HIIT" it's one of those words that's misused and overused constantly.

I've heard people call not eating between 7pm and breakfast (9AM) "intermittent fasting"

Dave Asprey from Bulletproof helped to popularize it and there's plenty online about the benefits. As per OP some people do it for 24 hours straight--just water, coffee and tea. Others will drink Bulletproof coffee as part of the intermittent fast.

by Anonymousreply 312/30/2018

I'm in my late 50s and have lost weight doing IF and generally feel all around better. I do 16/8, eat during an 8 hour window. I started out 12/12 and worked my way up to 16/8.

Additional benefits for me have been no more snoring , no more heartburn at night, I wake up refreshed and with a flatter stomach than what I went to bed with. I do stop eating at 4:00 p.m. which works for me as I'm retired. The initial weight I lost has stayed off and I'm more lax now with calories than at the beginning but I do stick to the time frame. It's been 1.5 years.

by Anonymousreply 412/30/2018

Screw that nonsense and try aerobics, OP. With a little hard work, your body can look as good as mine.

by Anonymousreply 512/30/2018

What about intermittent farting?

by Anonymousreply 612/30/2018

I'm doing the 16/8 eating only between 1pm -9pm working out fine now that I'm used to black coffee

by Anonymousreply 712/30/2018

Yes, the black coffee is key.

by Anonymousreply 812/30/2018

I fast every day from somewhere between 8-9 pm and 5-5:30 pm the following day.

by Anonymousreply 912/30/2018

I've been eating two meals a day, one at 11:30AM and one at 6:30PM for three months - no snacks and only a couple of cups of coffee (with Stevia and a splash of milk or cream in the morning.)

This has helped with my diabetes, tremendously, my fasting blood sugar is now around 100mg/dl as opposed to 150+mg/dl I previous had which I attributed to dawn phenomenon.

I also trying to eat less than 60 grams of carbohydrates at each meal and eat a lot more vegetables and fruits that I used to and very little bread and no pastries or desserts.

I've been losing around 1.5lbs a week. The only side effect I've had is that I'm horny AF much more often than I'd been for a few years.

I'm hoping to be able to maintain this lifestyle indefinitely. Has anyone been able to do two meals a day as a regular lifestyle?

by Anonymousreply 1001/11/2019

One meal a day for me, R10. Started 1-2 weeks 12 years ago; full-time the last 5.

by Anonymousreply 1101/11/2019

Did you lose weight/how much, R11?

by Anonymousreply 1201/11/2019

About 50 lbs, R12, a loss I've been able to maintain. I have a friend who's followed my lead & has also been successful.

by Anonymousreply 1301/11/2019


Could you walk us through some of your meals?

by Anonymousreply 1401/11/2019

Nothing special, R14. My meal is usually a dinner that's rather simple & small, followed by dessert (a must) & fruit. On those rare occasions I go out for lunch, I skip dinner, although I'll have dessert & fruit.

by Anonymousreply 1501/11/2019

Thank you R13, R15, very helpful.

by Anonymousreply 1601/12/2019

Actual fasting for 24 hours or more slowed my metabolism some years back. Even when I would eat extremely low calories for days and weeks at a time messed me up as well. But the intermittent fasting works as long as I don't go an entire day without food. I do this between 2 to 5 days a week and depending on my hours, instead of breakfast and lunch, I just eat a brunch (the majority of the food during that time) and a light early dinner then drink a lot of water but don't eat anything else until the next late morning or noon. I feel more energetic and focused and of course lost and maintain ideal weight this way. I also don't feel too exhausted for workouts whereas full fasting left me too tired. I don't know about the really long-term effects, but I've been doing the intermittent for 8 months with no harm. My doctors are varied on their opinions, one's fine with it, the other says it might be okay as long as I don't truly starve myself: he was hinting caution at going into anorexic territory which isn't the case for me. That doctor suggests one shouldn't go more than maximum 4 - 6 waking hours without at least a small snack, but most days I don't snack. One meal per day didn't work for me at all and added no wellness benefits. So it's 2 meals a day for me, but the 2nd is an early and light one.

by Anonymousreply 1701/12/2019

Combine Keto with intermittent fasting. For the fasting, you need to not eat for 18-20 hours. Stop at 8 at night then don't eat until 6 p,m. the following night. Do that three days a week and eat keto the rest.

by Anonymousreply 1801/12/2019

There's two forms of intermittent fasting - there's the 8 or 12 or 16 hour fast every day (say, no eating from 8 pm to 8 am), and there's the fast where you eat normally 5 days a week and fast more or less completely 2 days a week. They both seem to work pretty well.

I'm not sure why black coffee would be key, though.

by Anonymousreply 1901/12/2019

I eat 500 calories on my fast days. It's not really fasting. It works best if you don't eat go wild on your non fasting days. I don't think it's magical. I just consume fewer calories over a week if I "fast" 3 to 4 days a week. It works for my lifestyle. I have a lot of events to attend. I just make those days my non fasting ones. I find the fasting helps me distinguish between genuine hunger and boredom or emotional eating. I do cranky in the late afternoon on fast days. I just remind myself it's just hunger and calm down. That feeling passes. I'm not hungry constantly, but there are times I'm preoccupied with thoughts of food. It's easier to stick with because I know I won't go hungry tomorrow.

R19 caffeine lowers your appetite and gives you energy. If it's black it has no calories. I have acid reflux so I can't do coffee on an empty stomach. I do drink a lot of black, white and green tea.

by Anonymousreply 2001/12/2019

I have seen results and feel better doing 15/9 (eating breakfast no earlier than 9 AM and finishing dinner no later than 6 PM). I am usually up until 10 PM and wake up around 7 AM.

by Anonymousreply 2101/12/2019

Currently doing the 16:8. Nothing before 9am, nothing after 5pm. I get off work at 4, so I don't have much time for a big dinner. Tonight I had toast and hummus. I was going to do just one meal a day, but my nutritionist told me that it would be too severe for someone just starting, so she put me on 16:8.

by Anonymousreply 2203/13/2019

Fasting is a stupid idea, just as a 40 year old running 10 miles a day is stupid.

by Anonymousreply 2303/13/2019

I fast for 15 hrs each day - don't eat between 8PM and 11AM. I found I lost a few pounds at the start, then my body adjusted to it.

by Anonymousreply 2403/13/2019

Extreme Fasting has proven to extend life by many years. Google it, OP.

by Anonymousreply 2503/13/2019

I had the same experience, R24. Maybe we don't much weight to lose.

by Anonymousreply 2603/13/2019

Intermittent farting!

by Anonymousreply 2703/13/2019

How do you go that long without eating? I'd kill myself

by Anonymousreply 2803/13/2019

Eating is overrated

by Anonymousreply 2903/13/2019

I lost 45 pounds on IF. Only ate between 11 and 5, no booze.

I've kept it off 6 years. If I eat at 9 pm, no big deal, I just back to 11-5:00 when I can.

by Anonymousreply 3003/13/2019

This thread is so helpful. Another term for it is “digestive resting.” I don’t eat until noon which feels normal for me and amounts to 14 hours of not eating. My digestion and elimination have become more settled and regular. I’m working on getting to bed earlier and upping it to 16.

by Anonymousreply 3103/27/2019

I've never eaten between dinner (usually about 6pm) and around 11am next morning, It was just normal in when I lived with my parents (over 30 years ago) and I haven't ever changed my routine.

I didn't realise that it was unusual.

by Anonymousreply 3203/27/2019

Growing up we had breakfast at 8am and our dinner at 6pm. I guess we were doing 14:10 and didn’t know it! Are people really eating so much these days that they are eating from the time they wake until just before bed, is that why not eating after dinner/supper needs a name?

by Anonymousreply 3303/27/2019

I've tried it, but it was hard to keep going after a month. I lost about 5 lbs, which was my goal, but it all came back. When I started intermittent fasting again, it just didn't come off as quickly.

by Anonymousreply 3403/27/2019

For me, just not snacking between meals makes a big difference

by Anonymousreply 3503/27/2019

My partner did IF for months and gained weight, so it did not work at all for him.

by Anonymousreply 3603/27/2019

You have to have a calorie deficit to lose weight. Period. That’s thermodynamics. If you need 2000 to maintain your weight and you eat 2500 you will gain weight. It doesn’t matter if you eat those 2500 in one giant meal or by grazing every hour. It doesn’t matter if the calories come from carbs, protein or fat. You must be in a caloric deficit to lose weight and in a surplus to gain.

by Anonymousreply 3703/27/2019

I've tried many different diets and I realized that the only thing my body trully cared about when dieting is the daily calorie intake - as long as you eat less calories than you burn you will lose weight. Your body won't give a damn (at least mine didn't) whether you eat those calories in one sitting or spread throughout the day - it's the calorie deficit that really matters at the end of the day.

by Anonymousreply 3803/27/2019

I didn't even read R37's post before posting mine but I see now that we came here to post the exact same thing.

by Anonymousreply 3903/27/2019

If you are diabetic, or there is diabetes in your family, or you have metabolic syndrome but are not diabetic ( yet), don't do it. You want your blood sugar to remain steady, not swing up and down. When fasting creates "lows" in your blood glucose, your liver will secrete stored glucose to raise it. If you are impaired because of genetics or other reasons, your pancreas will then put out insulin ( and if you are impaired, the glucose has difficulty entering the cells. So the pancreas continues to put out insulin, making you tired and apt to gain weight. I loved fasting, loved how it made me feel, and did it for years ( though in my 40s, the weight loss would not last and I would end up gaining more.) But I fell under the 2nd two categories, and I later found out from a holistic doctor that fasting was the worst thing someone with my background could do. If your metabolism is normal and there is no disposition towards diabetes, fasting may be right for you. But if not, don't have fruit juice ( have whole fruit but limit per day), limit total carbs per meal, walk after your meals.

by Anonymousreply 4003/27/2019

My sister, who struggled with bulimia for many years and whose weight yoyo-ed, did this. She lost a lot of weight and has kept it off. Plus, says said that it helped with her bulimia as she tended to binge/purge at night and she stopped eating at night.

by Anonymousreply 4103/27/2019

Fasting under the supervision of a medical professional can cure diabetes and heal your metabolism. Fasting is extremely healthy if done properly.

by Anonymousreply 4203/27/2019

One can argue that IF isn't real fasting. Fasting is more effective if you go a minimum of 48 hours.

by Anonymousreply 4303/27/2019

Also, there’s a difference between intermittent fasting/digestive resting and starving oneself.

by Anonymousreply 4403/28/2019

You should wind up with a calorie deficit with IF. If you only have 500 calories for 3 to 4 days a week, you’ll be consuming less calories than before. Of course you can’t pig out on your non fast days. It’s worked for me. It’s not magic. watched my calorie intake on non fast days. If there was a party I’d just go ahead and enjoy the it. I found it helped me distinguish between true hunger and boredom or thirst. I don’t eat as much at parties as I used to. When I’ve gone off it because I was on vacation, I started to gain. You have to keep it up. You can reduce the number of days a week you do it once you’re at goal.

by Anonymousreply 4503/28/2019

“ If you only have 500 calories for 3 to 4 days a week, you’ll be consuming less calories than before. Of course you can’t pig out on your non fast days”

That’s the problem for many people. You have to track calories somehow. A handful of nuts or a granola bar sound healthy but they will blow the calorie budget. So many people thing a “healthy” food is low calorie and only fast food and candy are calorie bombs. I’ve lost count of coworkers who were doing IF but came in the morning with a 400 calorie bran muffin and 400 calorie smoothie. At lunch it was a DIY salad loaded with nuts, seeds and avocado - healthy but a calorie bomb. So, when IF didn’t work it was simply because they were eating too many calories. On the other hand if you do it perfectly and eat 500 calories 4 days and at maintenance 3 days that’s a big calorie deficit for anyone who is just a bit overweight and wants to drop 20 lbs. it’s also difficult for an average person to get proper nutrition because the fast days force people into eating things like rice cakes and noodles to keep calories down and volume of food they can eat up.

It’s also been my experience that men cope better with the fast days than women. When IF was at its peak about 2 years ago we had a few women collapse at work.

by Anonymousreply 4603/30/2019

Oh, never mind. I thought the subject heading was "Intermittent fisting."

Which, if you think about it, is probably the only kind there could be.

by Anonymousreply 4703/30/2019

You know, we have an expert in this that no one has mentioned.

Darfur orphan, would you share your results with us?

by Anonymousreply 4803/30/2019

I recommend 24/7 Intermittent Fasting. Worked for me!

by Anonymousreply 4903/30/2019

It takes a bit of trial-and-error to find the right balance. My body seems to respond to predictability; nothing sudden or extreme. Also, after coming off of a fast I incorporate healthy fats (olive oil, avocado, coconut) into each meal which also creates a sense of satiety. I've lost 20 lbs. doing this gradually (1 -2 lbs/wk) but steadily and kept it off. I've also fucked up and overdone it, and the fat loss came to a screeching halt. At a minimum, you want to avoid sending your body into starvation mode. I just donated a fuckton of larger-size clothes I'll never wear anymore.

by Anonymousreply 5003/30/2019

Doesn't your body go into fat storage mode when you go too long without eating?

by Anonymousreply 5103/30/2019

Sure, all those fatties coming out of Auschwitz were in fat storage mode!

Nope. When the body doesn’t get enough calories it eats itself- fat and muscle. If we had a way to trick the body into maintaining weight under calorie restriction we could save millions of starving children worldwide.

by Anonymousreply 5203/30/2019

R51 the idea with IF I’d that you avoid starvation mode by only fasting a day at a time. You don’t fast 2 days in a row. I don’t know if it’s true or not. I find it’s easier to have a lot of discipline for one day knowing I won’t be hungry tomorrow. I don’t have to swear off any food forever or even for a week. It’s not for everyone and you need a calorie counting app on your phone. Anyone trying to lose weight one any kind of diet should have one. It’s good to know how much you’re really eating. I go mostly protein and green vegetables on fast days. I have half a low cal English muffin with a tiny amount of peanut butter. A little fat and starch helps a lot. Also drink lots of calorie free beverages.I drink a lot of green tea, the caffeine suppresses hunger and green tea is easy on the stomach, black coffee is too much acid with no starch in my belly.

by Anonymousreply 5303/31/2019

It’s a myth

by Anonymousreply 5403/31/2019

[quote]Couldn't it damage your metabolism?

Oh noes! You’ll need a metabolism transplant if that happens. Very painful recovery.

by Anonymousreply 5503/31/2019

R54 - Don't click on his fraud. It's another bullshit ad thing.

by Anonymousreply 5603/31/2019

Actually, r54's article was pretty interesting

by Anonymousreply 5704/07/2019

I did 16:8 for the first time yesterday and felt good if a little weird and antsy. I come from an “always eat breakfast when you get up/dinner at 8pm” European family, so it’s quite a bit adjustment.

Should I do it again today (and for the next couple days) or alternate days (so do it again Friday and maybe Sunday)? I asked the Internet and there seems no clear consensus on what is best for a newbie to do in terms of days on/off.

by Anonymousreply 58Last Wednesday at 11:29 PM

^^I’m female and healthy BMI btw. Just slightly overweight (freshman 10, ugh) and mostly fairly fit/no known disease.

by Anonymousreply 59Last Wednesday at 11:30 PM

It is the fastest way to lose weight. If you can deal with fasting, it's absolutely the best and quickest way to diet.

by Anonymousreply 60Last Wednesday at 11:40 PM

I go on a broth and whole wheat bread diet and the pounds drop off when I need to.

by Anonymousreply 61Last Wednesday at 11:42 PM

TMI but I’m worried so I figure I’ll ask here - since starting IF a week ago I’m having green soft stools compared to normal and way more I dying or is this to be expected?

by Anonymousreply 62Yesterday at 12:22 AM

I've done it, several times, usually unintentionally as a result of disorganisation or being too busy and forgetting to eat. Am over 40, has done no harm at all, no negative side effects

Completely harmless

by Anonymousreply 63Yesterday at 4:42 AM

I've been doing it for the past 4 or 5 weeks and have noticed a subtle but positive change (so far three different friends/relatives have asked me if i've lost weight too). I eat all my meals between 2pm and 10pm, but I should add that i'm a night owl and have never been a huge breakfast person anyway (can't even do coffee in the mornings, just water). I work in the afternoons as a music tutor so this fits in just about right, eating a full meal before I start with my students and having the last one a bit later in the evening as i'm up so late. Usually with some sort of snack in the middle of those 8 hours.

Like a poster a few posts up, it really just seemed to stop me from all my super late night snacking, or habitual eating when I really didn't need to. I never even felt starved except for maybe the first day. It's amazing how much we eat just for the sake of it, or out of boredom. Because now even in my 'eating periods' (within the 8 hours) i'm not usually that hungry. My appetite has gone way down because of it and I find it easier to eat less food and thus less calories as well.

I've even been getting to bed earlier, although I have to admit i've found I have a bit less energy for exercise. Having said that i'm a naturally stocky build and this has been the easiest weight loss method i've ever tried. I wonder just how long i'll be able to keep losing weight with this method though, as a lot of people seem to 'hit a wall'.

by Anonymousreply 64Yesterday at 5:00 AM

If I don't eat for long periods of time, I get headaches, feel lethargic and the hunger pains are terrible. No thanks.

I eat 5x a day, no processed foods, no wheat for the last 4 years and have only gained 3-5 pounds at most, usually during the holidays. No need to torture yourself.

by Anonymousreply 65Yesterday at 5:13 AM

[quote] No need to torture yourself.

Because everyone has a body exactly like R65's.

by Anonymousreply 66Yesterday at 5:24 AM

I stick to a diet that I invented myself, or rather cobbled together out of various different diets that I have seen or heard about, and it has worked really well for me. I have lost about 7 stone over 2 years and kept it off, and it's not hard after the first couple of weeks. I am still in the "overweight" BMI category, but I can live with that. I had got really fat. There were several years when I couldn't tell how fat, because all the scales were reading "overload".

- no breakfast - only coffee and/or tea till midday - lunch early at 12.00 - only proteins and vegetables, but you can literally eat as much as you like. Today I had a a bowl of mixed stir-fried vegetables with meatballs in tomato sauce, 2 chicken and leek kebabs, a German veal sausage and a jar of kimchi. Afterwards I had half a big bar of dark chocolate. - dinner - anything you like, but keep the calories below 400 - 500. I had some penne with Italian sausage. Afterwards a chocolate biscuit with my coffee.

To be honest, I am not naturally a big meat fan, but you can make it interesting with good sauces. I love picked ginger, kimchi, mustard etc. I try not to eat too much red meat, more white meat and fish, but I am not too obsessive. In the evening I go for the comfort food - pasta, potato, rice etc., but just in small portions. I started out with good quality TV dinners (Marks & Spencers in the UK), but now I try to make my own, but sticking to the same moderate portion sizes. The only hard bit is fasting till noon. By 11.00 I am often looking at the clock. But you get used to it, and I feel a lot of the good work of the diet is done in those pre-lunch hours.

I don't honestly know whether this is a good diet for anyone, or whether I just managed to hit on something that really suits me. It suits my lifestyle - office worker with long sedentary days, not much into exercise - and the weight has just fallen off in a slow but regular drip.

by Anonymousreply 67a day ago

Does anyone else get ‘just got home’ binge munchies on 16-8? I walk in the door and just devour pickles, salami slices, veg sticks, olives from the can, handfuls of puffed rice, spoons of yoghurt, crackers..

Maybe I’m not eating enough at mealtimes. I don’t like eating much at breakfast/brunch really but a bran cranberry muffin and a cappuccino is kind of an Olsen Twin-esque meal, huh?

by Anonymousreply 68a day ago

It's funny how people will spend so much time reading up on the latest fad diet, making charts, planning their carbohydrate intake by practically using the Pythagorean theorem, and who knows what else. However they won't just stop stuffing junk in their mouth or spend a 45 minutes a day walking an hour and half with their headphones one. A plan that would easily have them lose 25 pounds in a year. Instead they keep falling for shit like this and just get fatter and fatter.

by Anonymousreply 69a day ago
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