Intermittent Fasting vs 24-48 Hour Fasting - Benefits & Drawbacks

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Intermittent Fasting vs 24-48 Hour Fasting - Benefits & Drawbacks- Thomas DeLauer
Intermittent Fasting feels good, so you increase it and it stops working. All fasts are not equal. In this video, we will look at which fast is better and for which benefits. Weight Loss, cognition, longevity, and more. Let's go!
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[@ThomasDeLauerOfficial]

In case the Internet apocalypse ever decides to shut down this channel, please join me email list and get some free guides: Free Intermittent Fasting Meal Plan (downloadable): thomasdelauer.lpages.co/fastandfeast/ Free Keto Diet Meal Plan (downloadable): thomasdelauer.lpages.co/real-person-keto/

[@GuidetteExpert]

o cool so I can fast like 48 hours once a month to shock my body and I will loose 400 calories for free everyday?

[@JL-nt6dk]

So how to you increase your metabolism after you've reduced it from ingesting less calories?

[@JL-nt6dk]

So how to you increase your metabolism after you've reduced it from ingesting less calories?

[@atrifle8364]

@@JL-nt6dk - Start food logging. Make it a goal to reach 2000 calories with keto/low carb in 2 or 3 meals no snacks. I have two days a week I do that with the express goal of metabolic rate reset. You may want to do a week or two and then start again.

[@scratchandwinner]

CAN YOU GIVE INFO , OR DO VIDEO ON HIW TO HELP YOUR BODY RECOVER FROM PROLONGED ORAL STEROID USE....MY TESTOSTERONE, AND CORTISOL LEVELS ARE ALL MESSED UP AND ITS GOING TO TAKE MONTHS FOR MY 48 YEAR OLD BODY TO RECOVER.

[@Daddy_Jim]

Stop apologising for nerding out on the research. It is literally the reason I listen to you over other KZbin people.

[@sweettea1193]

I do 16/8 everyday, and once every 2 or 3 weeks, I'll throw in a random 24 to 36 hour fast when my body least expects it...haha it feels awesome 😂

[@Karatekjell]

Same here. 16:8 during the weekdays and then either a 36 hour fast or a 48 hour fast starting saturday evening.

[@SchuyFit]

That's definitely the best style, my clients have seen awesome weight loss results with that.

[@ibrahimibs4277]

Don’t let him catch you sleeping 😂😂😂

[@b3at2]

When I want to break through a plateau, I eat one meal every other day and then go back to one meal a day. Small meals… no gorging. no sugar. carbs come from veggies.

[@shelfcloud487]

@@b3at2 How long have you been doing it? How much weight have you lost? Do you need to lose more? Only reason I’m asking is because I lost all my weight early on and have been maintaining that for 3 years now.

[@topherming6565]

I do a 36 hour fast every week. My doctor says he wishes all his patients had blood chemistry like mine.

[@LowTide941]

Blood flex. Well done

[@faheemkhan359]

Whats speciality in ur blood chemistry??

[@topherming6565]

@@faheemkhan359 My doctor just means that all the components of my blood are within what are considered to be the safe, healthy limits.

[@Josh-vz4fq]

I started doing 24 hours fasting 4 months ago, then up to 36 couple months after that. I do some light workout here and there and also cut off all unnecessary sugars like sweets and drinks. Lost 20 lbs so far. I think fasting does work, but cutting back sugar probably helps alot

[@richardlawson6787]

It's magic...I eat once a day...and throw in at least a couple of 48 to 72 hr fast per month....I'm going broke buying new cloths weekly but I love it!!

[@frankrobbins5130]

I’m 60 years old. Former all natural bodybuilding champion ( 30 years ago) but have always worked out and have been a 16-8, 18,6 faster. I have just started incorporating longer term fasting into my regimen and I love it. I’ve only done it twice so far , first time was 36 hour snd today I’m finishing a 48 hour fast. The cognitive benefits I get is huge snd very noticeable to me. I plan on doing a 48 hour fast now once a month along with my 16-8, and 18-6 routine. I watch everything you put out there and find your video some of the best. Thank you for your work.

[@rwfan2u]

I do a weekly 36 hour fast and OMAD on one of the later days in the week! Every month I push one of my 36 hour fast to a 48 hour fast!

[@rwfan2u]

@FIGHFANNERD 9 yep!

[@Philusteen]

I don't know if I agree that a prolonged fast would lower metabolism "if you've already hit an IF plateau." Keeping the logic that it's a different mechanism, I think a 2+ day fast would help your metabolism normalize - provided your nutrition is on point when you break fast.

[@LordYukimoru]

What would be considered "on point nutrition" for breaking fast?

[@ricliddle3382]

Yes Thomas. In reference to your last video about that article concerning the study about Keto. Keep doing what you do on your channel. You’re one of my favorites because you know what you’re talking about.

[@SchuyFit]

Love that you emphasize the idea of flexibility with fasting. That's probably the reason I love it the most, it's completely different from any other 'diet' out there.

[@managerof3monsters]

I’ve been water fasting 22/2 daily for 13 months, throwing in a 36-48 hour fast every 10 days or so. It’s been absolutely life changing for me. I love your videos & your obviously extremely well educated/researched, but sometimes I get very confused lol😵‍💫

[@Sache0190]

The more videos I watch the less I feel I know. It’s like I’m left with nothing to eat. Everything contradicts itself

[@managerof3monsters]

@@Sache0190 Yes exactly. Just when I think I have it figured out…there’s another video that makes me feel like I’m waaay off🤦🏼‍♀️ It’s incredibly frustrating.

[@Sache0190]

@@managerof3monsters well I’m glad I’m not the only one that feels that way 😅

[@managerof3monsters]

@@Sache0190 Lol yeah you are not alone!🤪

[@Savantqqqq]

Heya there, is there any difference between water fasting and fast? Because u use 2 diff word

[@giselesmith7795]

I usually do 18:6 or 20:4 but I like to throw in a 24 or 26 hour fast occasionally. I am not overweight (anymore) and I love having all the free time to accomplish things other than planning and fixing meals.

[@tomcubit6354]

Thanks Tom! You’ve been a huge positive influence. So how long of a fast is considered a “prolonged fast”? I generally do 20 hour fasts every other day, and every other week I TRY to do a 36. I’m 52 years old and I’ve lost over 30 pounds and have about 10-15 to go…. Thanks!

[@jasonpgallery]

How long did you follow that to lose 30?

[@ambikalokesh4932]

I feel 16:8 is easy but addictive and tiring if done everyday to alleviate PCOS. I like 24 twice a week or 48 hours once a month. So I have decided during my cycle I'll do one 48hours fast that week to help menorrhagia. It had helped before 98% of the time and now that I have learnt more so I am just going to implement everything I know and helps.

[@ambikalokesh4932]

@@djathome6764 I am still figuring it out and I am not a doctor or a health professional. With my own journey I have had to learn, forget things that weren't serving and sometimes relearn to apply at a particular situation or to a problem. I hope you find your solution.

[@marijkepeereboom6442]

Watch Dr Mindy Pelz, she‘s doing mostly female fasting stuff and may have good advice for you.

[@paulg1886]

What do you know about ITP, I have contracted it since my Astrazeneca Covid Jab

[@user-cs4yx3lt9v]

*Thanks for the feedback~~~if you have any ideas you want me to talk about feel free to chat for more Enlightenment~~ 🇼 :🇭 :@🇹 :🇸 :🇦 :🇵 :🇵 •••🇲 🇪 • 💬‪9️⃣✓3️⃣✓7️⃣✓4️⃣✓6️⃣✓2️⃣✓0️⃣✓0️⃣✓9️⃣✓0️⃣💙`~

[@larryseago730]

I did IF for months straight last time. I lost weight very well. This time around, I am doing something different. 5 days during the work week, I do IF 16:8 and 2 meals a day, and on weekends, I eat 2 to 3 meals a day, and I am eating at or near my TDEE and lifting weights, and walking, but lightly, and plenty of rest days. I am losing weight slower, but as long as I am losing, I'll continue, and ratchet down slightly each time I need to. This is my 3rd round of Keto, and I'[m down over 100 lbs, yet I have yoyoed because of a surgery, where I had to quit Keto for several months, but I am still down that original 100lbs, I had lost even more pre surgery the 2nd time on keto, and was near my goal weight. But those months off low carb this time, caused almost 30 lbs weight gain. I'm down 12 lbs from that now eating the way I am with IF again. Basically, cutting the carbs, and IF, are the two biggest changes. I had about 8-9 lbs of water weight, the rest is this WOE. So, my sitting around for 5 months unable to do anything physical, turned me to mush and made me weak. (Spinal Fusion). I am just now getting back to where I was pre surgery physically. So Body recomp is going on, slowing weight loss as well. But, fat loss is on schedule. That is the important thing.

[@boxadorsrus5991]

@Larry Seago Similar story here. This is my fifth time around in twelve years on reduced carbohydrate dieting. The first three times I just avoided overtly sugary things like desserts but kept drinking regular soda. The fourth time around, my wife had the whole family on a Atkins-like diet with a Dr. Gundry twist, so to speak. This fifth time around, I have followed the advise of a dozen different KZbinrs in the keto and intermittent fasting space. In every system I've tried I've lost 50 to 60 pounds. My wife and three kids have also been able to lose weight effectively, to the degree they apply themselves to the task. Anyway, now I fast 12 to 20 hours six days a week with 50 grams of carbs a day followed by one day a week between 150 to 300 grams of carbs. This "metabolic flexibility" is advocated by many keto/IF KZbinrs. Good luck and improved health to all who take the initiative!

[@ayubshaik2907]

You better start writing an annual review paper and publish it😌😌😌

[@redlavish7027]

I just do intermittent dry fasting everyday for 18 hours so I only drink and eat between 1pm to 7pm which works brilliantly. My mate does a dry fast for 36 hours once a week ( sunday 7pm-Tuesday 7am) and nothing else.

[@sweettea1193]

I can't dry fast more than 20 hours because the thirst is actually painful. It's not like hunger, thirst doesn't just go away for me so I can't give up water like I can with food. I'd faint if I went 36 hours without water lol

[@redlavish7027]

@@sweettea1193 Lol Yh same I do about 18 hours and even that’s a struggle. In my case I broke my nose 4 years ago and even after surgeries I came a mouth breather so I thought I was constantly thirsty as my mouth was dry constantly but intermittent dry fasting has changed my life, no brain fog, no fatigue, weight loss and no more skin tags.

[@redlavish7027]

For some reason whilst I was doing intermittent fasting with water I was feeling cold constantly and then realised it was the water causing the coldness.

[@sweettea1193]

@@redlavish7027 so glad it works for you :) I naturally dry fast for 12 hours as I don't drink anything before bed, but apart from my sleeping hours, I need my water 😀

[@sandragambrel9721]

@@sweettea1193 Why don't you want to drink water during a dry fast?

[@BuddyBellTree]

Dr. Don Lyman says a fast is over 24 hours. Everything else is time restricted feeding. I like to call my 16/8 fast a fast because it makes me sound cooler. Lol

[@brandonyoung4910]

Zero issues eating 3-4K calorie a day in an 8 hour window haha

[@jaimecarras6024]

But if you're burning your own fat, does that count as part of your caloric intake?

[@jayybee30]

Good question. I was wondering the same thing. Hope we get an answer!

[@davilfs]

It's not an intake... It's being burnd and going "out". It counted as an intake when you ate it

[@dondajulah4168]

@3:30 Of course you are going to have a reduction in your basal metabolic rate if you restrict calories by 25% for several months BECAUSE YOU ARE LOSING WEIGHT!!!!!!!! Lower body mass will reduce your metabolic rate all other things being equal. During the "several months" you are restricting calories by 25%, you should lose well over 10% of body weight and therefore your metabolic rate will decrease. Since fat is not as metabolically active as lean mass, you will want to lose well over the 8%-10% you are losing in metabolic rate, but it WILL come down carrying less mass.

[@mattp4735]

Jason Fung has addressed this. Many organ systems down-regulate energy usage in response to sustained calorie deprivation; which just doesn't occur with fasting. We aren't a physics problem, we're a biochemical one. In other words, metabolism during CR slows MORE than you'd expect from weight loss alone. Check out his work, he mentions this quite often. Leveraging hormonal changes is what the Calories in Calories out paradigm totally misses the ball on. Though generally speaking CICO is a rule of thumb.

[@caterpilleye2392]

I've lost 4kg this week with 16 to 22hr fasts. My energy levels have been absolutely fantabulous and I've been studying really well too! I absolutely love it

[@robinaugustine5998]

I'm fasting for 24 hour's period and it's been just 3 days. Do you have any tips.

[@w1t4gk2]

I thought I’d share my story. I had trouble sleeping, tried cutting out screen time after 9 etc but I was still up at 1 am. Stopped eating after 2 pm and now I pass out around 9:30-10 pm. Trouble sleeping gone!

[@TheSmurf1973]

I do 16-8 every Mon to Wed and then 20-4 every Thurs to Sun. Every couple of weeks I do a couple of 24 hour fast. Then every couple of months I do a 36 or 48 hour fast. Currently in my first 72 hour fast wish me luck! Thanks for the info as ever Thomas!

[@ChantelStays]

I like this method.... What have your results been !?

[@brendanroach9428]

Dear Thomas, Thanks for all the great information. I have noticed that when I do a 36-38 hour fast, the next day after I eat I feel terrible. I am tired amd inflamed. I break my fast with a meal of vegitables, fish and eggs as this is easy to digest, no carbs. Any suggestions?

[@strategicexit8561]

try breaking it with just a bit of protein or better yet a cup of bone broth and after that one small meal, fast again for half the day.. you've got to ease out of fasting, rather than have a normal sized meal or two meals.

[@user-cs4yx3lt9v]

*Thanks for the feedback~~~if you have any ideas you want me to talk about feel free to chat for more Enlightenment~~ 🇼 :🇭 :@🇹 :🇸 :🇦 :🇵 :🇵 •••🇲 🇪 • 💬‪9️⃣✓3️⃣✓7️⃣✓4️⃣✓6️⃣✓2️⃣✓0️⃣✓0️⃣✓9️⃣✓0️⃣💙`~

[@atrifle8364]

Smaller meal for a breakfast???

[@tobias1752]

Thanks for your great content… after 15 years insulintherapy i lost 15 kg in 5 month with IF and LCHF/Keto… Hba1c 5,7 and no insulin needed..no fatty liver anymore.. Bodyfat down to 14%… Love the physiological stuff.. greetings from Germany and sorry for my poor english…

[@Westcoasthomeboy]

Lost 22kg in 3 months now... From 116 to 94

[@franciscomendanha4730]

The only problem with your videos is that they are too long and boring... I would love if you condense the great content in a 3/4 min video

[@ThomasDeLauerOfficial]

Thanks for the insight. I’ve tried both, and by a landslide most people want the in depth breakdowns.

[@franciscomendanha4730]

​@@ThomasDeLauerOfficial That's awesome... What if you add quick summary at the end of each video where you skim through all the topics that you addressed in depth before? Then you can please the deep divers and the shallow swimmers!

[@haldalorian]

@@ThomasDeLauerOfficial I appreciate how you break down the info in the notes (browser version only). What about having clickable time stamps? For example, if you open w/ an explanation of insulin resistance, viewers who already understand this condition could skip. Most of the time I watch your videos on my TV, so that wouldn't make a difference, but it's okay.

[@Anon_E_Muss]

@@ThomasDeLauerOfficial yes, we want the In depth information, impatient no attention span people can use the fast forward button? I don't know why people have to complain about your breaking down of complex topics. Thank you!

[@BKinWhiteRock]

I like them how they are……

[@pattysmith863]

Personally for me, my body can only handle IF at the moment. It is very challenging to get past 20 hours, so I am happy with what I am currently doing, May be some day I will achieve a prolonged fast. For now I will appreciate the benefits IF is providing!

[@user-cs4yx3lt9v]

*Thanks for the feedback~~~if you have any ideas you want me to talk about feel free to chat for more Enlightenment ~~ 🇼 :🇭 :@🇹 :🇸 :🇦 :🇵 :🇵 •••🇲 🇪 • 💬‪•••+9️⃣✓3️⃣✓7️⃣✓4️⃣✓6️⃣✓2️⃣✓0️⃣✓0️⃣✓9️⃣✓0️⃣💙

[@nomaderic]

That's normal. Once your body completely gets rid of all the excess glucose and you switch over to burning fat you'll feel amazing and not hungry at all. For me it usually happens at the 30ish hour mark or so. For someone new like you it can take a little longer. Basically if you take the pain it's beautiful on the other side. I wish you luck!

[@jorgecarrejo7562]

When I hear prolonged fast.. I think weeks.. Not 24 hours.. I just did 19 days.. Feeling pretty good now..

[@Khaos768]

I don't get how the metabolic rate can fluctuate! I mean, the number of calories that a certain activity needs is always the same and the number of calories that a stable muscle mass needs to keep its mass is also constant...

[@hanknelson3231]

Tom a problem you may have to ask your wife about, hair. Women know this and men don't, collagen and biotin makes your hair go from dry and brittle to soft and shining in 24hrs. I took predigested liquid collagen for hair and skin, and much to my delight it cured my tendonitis in 2 weeks. I thought I was old and had to live with it.

[@DigitalCashFlow]

Fasting changed my life. Thank you! I do don't it everyday but definitely helps with self control

[@koshirox]

Intermittent fasting PROFOUNDLY transformed my life in a very short time. I've been very sick for about 15 years.

[@QUINTUSMAXIMUS]

How are you feeling now?

[@marcusmaunula5018]

You, Dr Berg and Sten Ekberg have been tremendous help in this regard. Also Sadhguru ;).

[@francisjtuk]

I need to lose 15kgs. Started 36hr fast (basically skip all meals and go to sleep) yesterday and lost 1.3kg so far. Mainly water obviously but still motivating to see on the scales and the weirdest thing is that I don't feel that hungry yet today morning. I know that will come later but I might as well ride it as long as I can. God luck to everyone on their fasting journeys ! It's the only way that's ever worked for me. Not easy but nothing good ever is.

[@jjktng]

I have six meals a week. Monday to Friday and Sunday. 12-2pm. That’s it

[@TheCchinc1984]

Currently on the 40th hour of a 5 day water fast. Feel great right now and I'm taking a once a day multivitamin.

[@Vishal-l9q6n]

Lol multivitamin without food won't work

[@meggarstang6761]

Sorry, but his info on intermittent v. Longer fast is incorrect. Listen to Dr. Jason Fung instead.

[@user-cs4yx3lt9v]

*Thanks for the feedback~~~if you have any ideas you want me to talk about feel free to chat for more Enlightenment ~~ 🇼 :🇭 :@🇹 :🇸 :🇦 :🇵 :🇵 •••🇲 🇪 • 💬‪•••+9️⃣✓3️⃣✓7️⃣✓4️⃣✓6️⃣✓2️⃣✓0️⃣✓0️⃣✓9️⃣✓0️⃣💙

[@beckiemckeon7091]

I work 12 hour night shifts three times a week. Not a set schedule at all. I am curious about studies for weight loss and helping your sleep cycle for night shift workers.

[@user-cs4yx3lt9v]

*Thanks for the feedback~~~if you have any ideas you want me to talk about feel free to chat for more Enlightenment~~ 🇼 :🇭 :@🇹 :🇸 :🇦 :🇵 :🇵 •••🇲 🇪 • 💬‪9️⃣✓3️⃣✓7️⃣✓4️⃣✓6️⃣✓2️⃣✓0️⃣✓0️⃣✓9️⃣✓0️⃣💙`~

[@nocheckmarkgames]

For weight loss, I've been doing OMAD most days of the week, trying to keep it Sub-1000cals, sometimes as low as 300cals. Saturday or Sunday I eat like... 1500cals, and that's a feed day. I've started doing 48 fasts at the beginning of the week, so Monday I might not eat at all, and then go back to OMAD sub-1000 on Tuesday. I've started trying to lean into Low Carb/Keto as well.

[@VinnyBully]

This is what a Monk told me once. The reason Monks dont eat after 12 noon is so they can sleep better, the Monk fast basically.

[@justanotherdave.]

I was doing a probably 18/6 fast without really thinking about it. Just one meal in the evening and maybe snack late evening. Never eaten breakfast and often skipped lunch. I recently switched to 48hr (one meal every other day) to lose some weight and seems to be working great so far. One benefit I don't see mentioned is cost; You're essentially halving your food bill, which in my case has allowed me to eat higher quality fresher food on my eating days.

[@Momo-kq9hd]

I have been on IF for months but didn’t lose much because I’m still having carbs. So what u eat does affect the result.

[@Tanyakapor]

Reading some of the comments with a cookie in my mouth… thinking if I put it down now I can start counting the hours of fasting but then I say naahh too early to stop eating, will try another day! 🤣😂

[@vincentFGC]

hey Thomas you didn't really tell us how many times we should do a prolonged fast per week/month, and what about the people working out a lot?

[@sandragambrel9721]

From what I understand, there's nothing written in stone. There's a lot of variables. I'm 65. I've done IF, and, prolonged fasts for years. Depended on what I was going through at the time. My fasts long ago were more for spiritual benefits, not health benefits. And, what I learned through the years, is that, God, who knew we needed the health benefits of fasting, commanded us to fast, and, pray, unbeknown to us, the health benefits of both. There are lots of videos on the topic if you don't get an answer back from Tom, many of his own. He has videos for both men, and, women on the topic. May God be with you!

[@vincentFGC]

@@sandragambrel9721 interesting story but how did that translate in actual data? once a week, every 2vweeks? once a month?

[@sandragambrel9721]

@@robking4853 Some people do prolonged fasts like every week. They eat 5 days, and, fast two. Depends on the individual, and, how they feel, and, consideration of other health conditions. Do a little more research, and, try to find out what works best for you, all things considered. God Bless!!!

[@marcusmaunula5018]

I would say it is individual. Listen to your Body and adapt.

[@radicaltitan]

Hey Thomas can you do a video about faecal transplants and their (either good or bad) potential for fixing gut issues? I see great results for C Diff infections and I’m wondering if other imbalances could be fixed as well. Thanks! Always love your videos.

[@erinkennedy3998]

I do 36 hour clean fasts x2-3 times a week for over a month...I haven't dropped a single pound.

[@JurassicF4rt]

Then you must be eating too much during your eating times.

[@MrErickGee]

I’ve been wondering . Let’s say you’re on keto , and then you cheat with a high carb meal or have some sugar. How long should I wait to eat a high fat meal again?

[@catpatrick3838]

I usually fast for 24 to 36 hours, have a cup of bone broth, then drink bulletproof coffee type drink with grass fed butter, mct oil and collagen. If the fasting period is hard to get through due to the carbs I ate, I'll drink a cup of coffee with a small pat of butter blended in. That usually gives me enough to push through. An hour after I drink bulletproof coffee my ketones are usually around 1.0mmol (measured using the KetoSens blood monitor) and my glucose is below 100mg. Then it's business as usual with my HFLC/Keto meals.

[@missvenomdoll6]

Do a steak day the next day. Fast all day. Eat a big steak for dinner and most likely will drop that water weight from cheat quick. Next day for me it’s mostly gone.

[@HufflepuffDaddy]

Just write it off as an "accidental" cheat day and reboot your IF schedule the very next day. Don't punish yourself trying to make up for it (stress-inducing), just get back on the keto wagon the next day and try to make up for it in the long run

[@sandragambrel9721]

@@catpatrick3838 I've heard you should follow up a cheat meal with ACV to help recover.

[@marcusmaunula5018]

@@sandragambrel9721 And training. Lauer has a few videos on that. Personally I wouldn't worry too much. It's not like you OD.d on Crack or anything. The Body is amazing at adapting.

[@mavirek]

Wait! You sped off with a confusing conclusion that Prolonged Fasting is recharging and sort of out to lunch; but what about the autophagy? I do a weekly 36 hour fast (sleep-day-sleep) for autophagy and weight loss; the rest of the week I am sliding from keto to paleo.

[@user-cs4yx3lt9v]

*Thanks for the feedback~~~if you have any ideas you want me to talk about feel free to chat for more Enlightenment ~~ 🇼 :🇭 :@🇹 :🇸 :🇦 :🇵 :🇵 •••🇲 🇪 • 💬‪•••+9️⃣✓3️⃣✓7️⃣✓4️⃣✓6️⃣✓2️⃣✓0️⃣✓0️⃣✓9️⃣✓0️⃣💙

[@crmlcutie16]

The issue I’m having is I really don’t know what’s a calorie deficit for myself anymore. I feel like metabolism is all messed up and what I think is a deficit seems to be maintenance but I feel like it’s harder to cut even more and then probably have to cut even more! Any suggestions?

[@JC-li8kk]

After my 4 day fast I can prob live off of 500 Calories per day for the rest of my life. I get full so easily now & it takes 36-48 hours for my hunger to kick in. I feel like my body became super efficient at conserving energy after that 4 day fast. I’m going to try to work out more intensely to see if that helps. Maybe it’ll trigger my hunger if I work out right before I’m supposed to eat.

[@bogipepper]

As a 66 year old 2&1/2 days into a fast, I have had two nights of restless sleep, dull headache, dragging today in general, and I stink. Still I know the light in the tunnel is not a train.

[@jorgecarrejo7562]

At first I thought you typed 28 1/2 days.. It gets much easier the more you fast.. I just did 19 days.. Had to stop because I had a fever.. But now it's gone and feel pretty good..

[@bogipepper]

@@jorgecarrejo7562 Thanks, I know once my energy is fat adapted my next part of the fast will be enjoyable.

[@creationoflove84]

How are you doing on your electrolytes? Maybe take in some good quality salt and magnesium

[@samramr5431]

Yes Ramadan is a chance for a good intermediate fasting

[@Nobody-hj6hh]

Yes coz everything is copied from Ayurveda

[@samramr5431]

@@Nobody-hj6hh I didn't get it.

[@faheemkhan359]

@@Nobody-hj6hh my foot ur ayurvwdha.....Islam is not inspired from ur ayurwedha sheda fedha...ok

[@lynishasmith2664]

I don't understand how anyone can go 16 hours without eating. I can barely go 3 hours. How in the world are yall doing this????

[@user-cs4yx3lt9v]

*Thanks for the feedback~~~if you have any ideas you want me to talk about feel free to chat for more Enlightenment ~~ 🇼 :🇭 :@🇹 :🇸 :🇦 :🇵 :🇵 •••🇲 🇪 • 💬‪•••+9️⃣✓3️⃣✓7️⃣✓4️⃣✓6️⃣✓2️⃣✓0️⃣✓0️⃣✓9️⃣✓0️⃣💙

[@crazymodetv]

Can you possibly do a video if there are any affects with cannabis and fasting?🙏

[@johnsteed265]

Sorry, this just does not make sense to me. I am not understanding the lesson....

[@Katz1950]

I’m sorry I watched this as I’m more confused than ever!

[@lilflower1434]

I would've mixed the 2 had I not ran into this insightful video! Exactly what I need, thank you so much!

[@littlevoice_11]

How long does it take to reset a slow metabolism and how does one recover from prolonged calorie restriction poor diet?

[@WindWalker13]

Tagging along for an answer

[@theleechqueen]

Thomas, how do you approach prolonged fasting (24 hours plus) if you're an athlete? I train at least 3 times per week but I sort of get intimidated I won't be able to function properly if I go say two days without eating. I don't think I saw a video of you explaining this for people who train regularly.

[@angiewillems324]

As a non athlete starting resistance training I find that in a fasted state I am weak and dizzy and perform poorly, even using a protein drink. I indulged to n two boiled eggs two hours before my last training session and it was a breeze. Other videos have cautioned against training mid fast as it puts too much stress on a body already stressed by no food

[@Metrion77]

Our muscles have their own glucose stores. When those run out, our bodies will burn fats. But fats don't burn as fast as glucose. If you're in Keto or during a fast when you're out of glucose, Thomas recommends slow exercises. Weight lifting. Endurance training. If your muscles start demanding more energy faster than your fats can burn, you'll start burning protein (assuming you don't just injure yourself).

[@onimekyo7633]

It's hard to do long fast if you train hard and regularly, you won't just be able to function properly

[@tomstricklin3409]

I’ve extended my fasting time based on how I feel. IF for a period of time, but when circumstances permit I go longer, begin to get deeper ketosis, more energy. Lately my longer fasts are after I’ve “cheated” and near a new moon. My results are great, although I know sometimes I’m not getting the protein, I’ve begun to focus on more protein.

[@Smokey1000]

W

[@Baldevthakur2725]

Love your content!

[@BuddyBellTree]

I am an recovering herion addict since 2002. Sugar was my first addiction in life. Now its ketones. 16/8 with healthy keto and I feel a drug uphoria. . I don't want to come down from this high so I cut out my cheat days and also quit drinking. Ketones have to be a drug if I am skipping cheat days.

[@ChantelStays]

I do need aggressive weight loss... so im confused as to whether this is what i should do. There is a lot of conflictint and overwhelming information. Im doing both, i alternate between 16:8 and 23:1 ... With 2 weeks of ADF.... Following a 3:4 method (3 eat, 4 fast, with 2 of the fast days as 48 hours) Not sure why i do it this way but its just what has felt natural. Im doing it "mostly" tor weight loss- laot 30, wnd have 30 to go. But i also want to turn back aging, decrease insomnia, and jelp with migraines and autoimmunity. Im vegetarian and having a hard time getting enough protein. Im losing muscle mass quick. Would pescatarian be ok?

[@charlenekelley7268]

I love how I feel when I do 16:8 IF. Hunger gone, energy good, mental clarity great. Thank you for explaining this. You're great, Thomas!!!!

[@brandonolivera8486]

Is a 72 hour fast every week too much if I have a lot of weight to lose and I feel fine doing it?

[@Joelcebada]

No I do this and then omad

[@bgood419]

I'll reduce what's in my fridge down to steak, pasture raised organic eggs, avocados, grass fed butter, beef talo, ground beef, wild caught sardines in extra virgin olive oil, and organic cod liver oil and eat only these foods for 8 days. roughly 2,500-3,000 calories per day. then fast for 48 hours. Then get back into it. When the next 8 days are done then i do a 60-72 hr fast depending on the schedule and days it falls on. Then right back to it. I've lost 140lbs and feel absolutely amazing

[@anthonygennaroajgsportstalk]

48 hours is way better then 24 hours

[@mamabakstis6882]

Cognitive fasting only?? What to do?? I’m getting old 60. Been if & keto for 6years with you! 😉Now I just want brain benefits …? 🤔 awesome but backwards you said, hummm

[@andrewmurray7292]

I am not a fan of dieting be it calorie counting, intermittent fasting' keto, etc... Too many rules and too much to think about. I eat what I want all week long but, Sunday after dinner I just stop eating. Tuesday morning or early afternoon I start eating again. Usually works out to about 40 hours and I do that every week. Nothing to think about, plan or buy anything special. All you have to do is Not Eat it doesn't get easier than that! I've been doing this for quite a while and I feel great and my weight and health has been excellent and I'm 61, 6' 178 pounds with a 34 waist. My old weight most of my life was about 200 pounds. The funny thing is I feel my best on Tuesday mornings before breaking my fast. No hunger whatsoever with lots of energy and mental focus. Good luck and give it a try

[@johnwilliams5838]

Currently on 43 hours, i think I'll stick to 48 hours every few months, my heart rate was tgrough the roof when i was in bed.

[@bernardwong913]

I’m confused with the metabolic rate talk. Since IF like OMAD is making the body to burn fat, caloric reduction due to lesser quantity of food intake should not affect metabolic for people what have lots of stored fats that do IF for weight loss. Dr Jason Fong also mentioned the same. It should be perfectly fine to switch IF OMAD and prolonged 48 or 72 fast since fats are fueling the body despite reduction of calorie intake. My understanding is wrong?🤔😶

[@shelfcloud487]

3:12 I disagree. I’ve been doing IF going on 4 years now, maintaining the same weight without counting calories. I just focus on protein and avoid processed foods and sugar.

[@mockatu]

long fasts I believe just begin at hour 72 and go up from there,....to 4,5, 10,20 days. 24 hour is still IF. and 48 is intermediate.

[@gijoyjoy]

So you never mentioned what to do once you hit that plateau with IF. If I don’t start long fasts, do I eat 3 meals/ day again? And for how long before I try a long fast?

[@daveloewen453]

I love love u program but can I have coffee with prolong fasting? I have serious head ale when I don’t have coffee, help

[@mjmjersey]

I am experiencing cognative issues. What is better 24 our 36hr or 48 hr fasting this is my first time. Last time I finished eating was Sunday night 7:30 pm I am now at about 37hrs

[@thegamingmobster2768]

So im doing 18 hours fasting everyday, if I did the 24 once a week would that be bad for fat lose or good ( just want to make sure)

[@Noctis198]

Overall which is better, day on/day off fasting with keto or 20:4 intermittent fasting 5 days a week with keto?

[@lindagivens8882]

Of course everybody’s different…try both for yourself and see what works for you.

[@Metrion77]

Depends on your goal. Depends on your genetics. Depends on your lifestyle.

[@marcusmaunula5018]

@@lindagivens8882 Exactly. Your best source of information is your own Body :).

[@cesarlabastida1392]

He is right I was doing 20-4 fasting for about one month during weekdays and managed to loose 15 pounds, I was very motivated so I continued for another month but only managed to loose 5 pounds then I did a 24 hour fast one friday aside from the 20-4 from monday to thursday after only one week of this I managed to loose another 5 pounds just in one week. It's crazy how this thing really works during my eating periods I don't watch what I eat i wouldn't say I eat unhealthy tho, I even eat some fast food sometimes but in general I tried to cook at home steak, beans, salmon shrimp. Aside from loosing weight you feel a-lot more energetic I even started hiking because you feel like somehow you need to burn off your energy, this is aside from playing soccer almost everyday. The days I don't do exercise I can't sleep that's the biggest side-effect I would say.

[@jamiemccullough9037]

The thumbnail for this video could be misleading if I hadn’t watched enough of your videos to know better.

[@reshmagupta1464]

Is it better ( or not!) to try a prolonged fast on a Strength training day vs cardio day vs rest day? Btw, really appreciate all your content, thank you 🙏🏽

[@Metrion77]

Strength. Fat doesn't burn as fast as glucose, so if you're in keto or a fast, you want to keep your exercise slow. If the demand exceeds the supply, your body will start burning protein, which can lead to muscle loss and weakness.

[@gadohimself]

Do whatever feels good to you. During my 48 hour fasts I dancr 5 hours per day on a relatively high level and I do just fine

[@scratchandwinner]

CAN YOU GIVE INFO , OR DO VIDEO ON HIW TO HELP YOUR BODY RECOVER FROM PROLONGED ORAL STEROID USE....MY TESTOSTERONE, AND CORTISOL LEVELS ARE ALL MESSED UP AND ITS GOING TO TAKE MONTHS FOR MY 48 YEAR OLD BODY TO RECOVER.

[@xilbus]

David Sinclair said that reducing your calorie intake will extend your life.

[@TJ-hs1qm]

Too much Bro-Science.

[@lemonskincarebar]

I’ve been following your plan and I definitely see the difference as well as weight loss, BUT I’m going on night shift soon and idk what to do?? Please help!!!

[@CoffeeTRuck3914]

is it the ads ? 광고 방송인가요 ??

[@josevelasquez1976]

How he know we are fat 😂

[@ilonaghine9690]

I am so grateful for the information that Thomas shares with us! All these concerns/thoughts that were taking over my brain are always answered by him in tremendous details! What a treat!!! Thank you, Sir!!!

[@babyblue7798]

can i do omad for life?

[@aumnamashivaya4]

Very interesting take on the immune system. Thanks for your information. Getting towards the end you mentioned " rebuild" immune system with prolonged fasting, you refer to it by 48 hours or does it have to be longer?? Thanks again

[@runningwithscissors0911]

SO much helpful information. Turns out, I was confusing PF with IF (bad thinking: if some is good, more is better and more more is betterer! Oops.). I really needed this video ~ thank you Thomas!

[@autumnrenee1605]

WHY don’t you ever mention vomiting as a side effect of fasting ?!

[@101kiwi]

Does taking Duromine diet pill (phentermine) break a fast?

[@anniek8559]

Thank you for all your advice 🙏🌟😊☀️☀️😊🌟🙏☀️😊🌟🙏

[@shinukoshy6864]

If possible make a vedio to reduce ldl level in keto diet should I try mediterranean keto diet pls suggest me

[@HotOneRecordz]

This guy could learn a lot from Dr Berg.

[@cswann8]

When I hear "clock genes" I wonder if Thomas means "clock hormones".