What Would Happen If You STOPPED Eating for 3 Days? (72 Hours)
What happens to your body during a 3-day fast? In this video, we’ll cover the fasting health benefits of both intermittent fasting and extended fasting for 72 hours or longer. I’ll also share some expert fasting tips for even more fasting benefits.
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0:00 Introduction: Not eating for 3 days?
1:02 Intermittent fasting benefits
1:44 Extended fasting benefits
3:12 Autophagy and fasting
4:22 72-hour fast benefits
4:49 Immune benefits of extended fasting
5:36 Fasting tips
6:28 How to break a fast
How Does Intermittent Fasting Work:
Did you know that insulin resistance is behind most chronic diseases, including many types of cancer? Frequent eating leads to insulin resistance, which blocks cells from getting fuel. Diets involving 5 to 6 small meals daily destroy the metabolism the most!
An intermittent fasting plan involving 18 hours of fasting with a 6-hour eating window can provide tremendous health benefits, such as weight loss in the midsection, improved mood, and decreased inflammation.
A 24 to 48-hour fast can significantly magnify the benefits of fasting. Extended fasting enables you to deplete the stored glycogen in your liver. You may also notice significant initial water weight loss.
During a 1 to 2-day fast, most of your fuel will come from ketones. Your microbes will thrive, and growth hormone will increase, boosting muscle growth and burning fat.
Ketones will feed the neurons in the brain, so you may notice improved cognitive function.
Extended fasting allows you to get into a state of autophagy, where your body removes damaged cells and proteins and creates new ones. Autophagy also allows you to build new brain cells.
A 3-day fast can produce even more benefits! Extended fasting for 72 hours can clean up intracellular pathogens, including Epstein-Barr and herpes viruses.
A 3-day fast can stimulate your immune system, protecting you against cancer and autoimmune diseases. You can achieve results similar to stem cell therapy for free!
If you’re unsure of how to fast and want to make the process as comfortable and beneficial as possible, try these fasting tips for the most fasting benefits:
•Coffee and tea are okay during a water fast
•Make sure you have enough sea salt
•Consume electrolytes like potassium and magnesium
Refeeding can have a negative impact after a 3-day fast. It’s best to rebuild your caloric intake slowly. Bone broth is a great option to break your fast.
Dr. Eric Berg DC Bio:
Dr. Berg, age 60, is a chiropractor who specializes in Healthy Ketosis & Intermittent Fasting. He is the author of the best-selling book The Healthy Keto Plan, and is the Director of Dr. Berg Nutritionals. He no longer practices, but focuses on health education through social media.
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Disclaimer:
Dr. Eric Berg received his Doctor of Chiropractic degree from Palmer College of Chiropractic in 1988. His use of “doctor” or “Dr.” in relation to himself solely refers to that degree. Dr. Berg is a licensed chiropractor in Virginia, California, and Louisiana, but he no longer practices chiropractic in any state and does not see patients, so he can focus on educating people as a full-time activity, yet he maintains an active license. This video is for general informational purposes only. It should not be used to self-diagnose, and it is not a substitute for a medical exam, cure, treatment, diagnosis, prescription, or recommendation. It does not create a doctor-patient relationship between Dr. Berg and you. You should not make any change in your health regimen or diet before first consulting a physician and obtaining a medical exam, diagnosis, and recommendation. Always seek the advice of a physician or other qualified health provider with any questions you may have regarding a medical condition.
#health #keto #ketodiet #weightloss #ketolifestyle #intermittentfasting #lowcarb
Thanks for watching! I hope this increases your awareness about the amazing benefits of fasting. I’ll see you in the next video.
I am going to start this fasting tomorrow, i will come back and report after three days
Look forward to hearing of you 😊 and your opinions
Have you ever done a three day fast before? Do you know how to re-feed? Have you considered just starting with one meal a day before you jump into a three day fast?
I fast 72 hours once a month and feel amazing
i will participate with you!
@@wanderingson Keep us updated here.
I fast every Wednesday, so this is always a good day for me. Good to calm the body down and relax and pray. Lowers inflammation, keeps belly fat at bay, and my skin looks great! Good day everyone!🌅
Ever tried making it a dry fast? It turns your one day fast into the equivalent of 3 days metabolically speaking. NOT MEDICAL ADVICE!
Good luck today….. and every Wednesday. I have just started with 2 and occasionally 1 meal a day, intermittent fasting. I haven’t had the courage to fast for more than 24 hours.
In this fasting what you eat and how many meal you are taking
My heart goes out to those who’ve struggled with high cholesterol like I did. I used to avoid egg yolks for 27 years due to my LDL levels being 384, but after digging deeper, I realized sugar and carbs were the real culprits. Now, I only buy pasture-raised eggs and my LDL has dropped to 57
Strong 💪 Keto
Meowgratulations😺👍
Good job
Blessings
Do you take vegetable fat e.g., nuts, avocado, olive oil too ?
I’ve been intermittently fasting for 5 years now. I eat at 11-12 and 7-8. I feel great! 🙌🏼 once you form the habits, it’s second nature.
Intermittent fasting has none of the benefits other than an easier ride for the insulin system. You get no autophagy, ketosis or gh
I usually do 24 hours, but if I’m working from home i might grab something small at the 16 hour mark.
@@Dtp2296
…I also don’t eat on Sundays and do a 3-7 day fast once a year. 👍🏼
I eat at 9 and 3 but skipping every other time…I began this,because I work,during the nights, and my body doesn’t signal hunger,before I ,almost,pass out😣Now l just set my alarm,and eat there🤗
Literally hit 72hrs of my fast when I saw this video and tapped it.
Amazing timing! Congrats on the fast!
Amazing😮😮😮
How did it go for you?
@@Featherinesship32 I know you were asking the OP, but I’m just wrapping up a 7-day water fast with the last day dry. Went superbly well, but I’ve been doing this fasting lifestyle and clean eating for 2.5 years so it’s not my first rodeo which was much harder. I just broke the dry part with water and will eat my first light meal of bone broth and asparagus in about 8 hours.
Haha, I am on my 38th hour I hope to keep going
I fasted for 5 days, only water. I certainly never believed it was possible, but food is psychological. My only reason for doing a 5 day fast was to reset my immune system and to cleanse my body, definitely not for weight loss. I then juiced & soup for 7 days, gradually adding salads. I was a new person. My thyroid balanced the migraines stopped and my skin cleared up as well as so much more energy and clear thinking.
Did you take salt or any electrolytes during the first five days?
@@PrasantaDatta-f3g I’m not the OP, but I HAVE to take electrolytes or “tired” is a nice way of putting how horrible I feel. I can’t do a prolonged fast without them and I’m not deficient (as far as I know) beforehand. Salt, too, like Dr. Berg said, I consume about a tsp of that throughout each day.
Which salt ? Salt with 84 mineral??@@allhimwithme5115
I get migraines from not eating for 24 hours. I wish it wasn’t the case but it does make it very painful to do a long fast.
@AjayDavey3550 you need electrolytes to fix that headache.
At 60hrs of a 72hr fast now. Great timing! Hey everyone!
You are at euphoria stage now.
Video out just 1 hr ago! How did u fast 60hr??
@@harsh7559Coincidence. He started fasting before he saw the video.
Push it to 6 days.. It’s much better.
@@calholliI totally agree but social life won’t allow it this time around. Next time!
This man is not lying , Back in November of 2024 I thought I had the beginnings of what could have been a heart attack( I’m 56). I started researching how I could prevent a heart attack and how to strengthen my arteries in veins. Intermediate fasting was part of the regiment… After my doctor’s visit in January 2025 it showed I was heading towards being diabetic. So , I really buckled down with determination and have lost 25 lb and my last doctor’s visit(April 2025) my sugar levels are down to normal now I weigh 190lbs.a very healthy weight
Good job keep it up!
👍👍👍
I’m happy for you
18 / 6 fasting is continue a good job. was 410 lbs now 233 , feeling like I am in my 30’s
❤ great job
Good job! Keep it up
So you have a 6 hr eating window ? And that consists of one meal or two small ?
Congratulations! A great achievement 👍
Congrats, awesome job!
Even 24 hour fasting has tremendous benefits. After an insulin flooding hospital stay, where an rampant infection resulted in the removal of most of one of my Achilles tendons, I left and immediately set out to fast into autophagy. I told my surgeon this, and was pleasantly surprised to hear gim respond, “Yes, I know what autophagy is. I practice intermittent fasting.”
Subsequent followups have shown such rapid progress that I’ll be skipping a surgery and going to my final graft early.
You saved my health 7 years ago,I started watching you. I had just been released from hospital from pancreatitis attack. Never been to a hospital only to have my children, no drugs, healthy. But came home to research why it came on so suddenly. The doctors told me to eat 6 small meals a day low fat. After watching one video about pancreatitis and insulin resistance. It made so much sense but then I had to figure out why it came on so suddenly. Grief was the answer in less than 3 years I lost my husband of 37yrs, my mother inlaw, my mother,my father. I have always fasted even as a child I just didn’t snack or eat late in day lunch 🥗 has always been my main meal. Thank you
So how many time you are eating
@@fatimamaster3422 I have a light breakfast at around 7:00 in morning yogurts and blueberries with grass feed cheese. Then I have lunch at around 1:00 my last meal for the day can be anything lots of protein with veggies or salads. I just never really liked sweets.
Grief is very dangerous. I went through the same after my husband, newborn grandson, sister in law and Daddy within three years.
@@maryjflanagan1922 so sorry for your loss 🙏
you’re so strong sister, sorry for your loss
Fasting is nature’s reset button! Such a powerful tool. Thank you Dr Berg for the shoutout, and your inspiration to me over the years. I appreciate you!!
Fasting is AMAZING!!! 58 trucker and Fasting along with eat well plus Dr Berg
SAVED MY LIFE!!!
I’ve done several 48 hour fasts. It’s surprisingly easy if you keep yourself busy. I’m going to try the 72 hour next.
Good job. Keep up the good work!
I did a 24, then 48, then 72, then 96 each week for one month. Amazing results. You train your system and the 28 day transformation builds a decent fasting base and habit. Do it, if you don’t like it you can always go back to what you were doing.
Thank you. My plan exactly.
I’m on day 3 right now and feel great. I have Lupus and the back pain and foot pain was gone by the end of day 1.
I do a 72 hour fast Mon-Tues Wed every other week. Then a 16/8 eating window all other days. Hit my weight goals and maintain it here. Went from 260 to 175 in 2 years.
just started my 36 hour fast .wish me luck
I have only fasted for 3 or more days when I was sick. Lost 15 pounds each time that happened. I only intermittent fast. I am 66 and had gotten up to 207 lbs. I decided I needed to get my weight under control. I started a drastic change in eating habits and making sure I intermittent fast. Then I set myself 5 pound goals. I am down to 192 pounds and already feel better. Thank you Dr. Berg for all you have taught me. I need to try the 3 day fast.
I ate my last meal before starting a three day fast, washed the dishes, opened YouTube and this was the first video on my feed.