Intermittent Fasting – How it Works? Animation

Intermittent Fasting – How it Works? Animation

Effect of fasting on fat burn, insulin sensitivity and brain’s health. Methods and tips for safe and effective fasting.

ยฉAlila Medical Media. All rights reserved.
Voice by: Ashley Fleming

All images/videos by Alila Medical Media are for information purposes ONLY and are NOT intended to replace professional medical advice, diagnosis or treatment. Always seek the advice of a qualified healthcare provider with any questions you may have regarding a medical condition.

Intermittent fasting refers to eating plans that alternate between fasting and eating periods. The goal is to systematically starve the body long enough to trigger fat burning. While research is still underway and the method may not be suitable for everyone, there is evidence that, when done correctly, intermittent fasting can help lose weight, lower blood pressure and cholesterol, prevent or control diabetes, and improve brainโ€™s health.
During a meal, carbohydrates in food are broken down into glucose. Glucose absorbs through the intestinal wall into the bloodstream and is transported to various organs, where it serves as the major energy source. Excess glucose is stored for later use in the liver and adipose tissue, in the form of glycogen and fats. In between meals, when the body is in the fasted state, the liver converts glycogen back to glucose to keep supplying the body with energy. Typically, an inactive person takes about 10 to 12 hours to use up the glycogen stores, although someone who exercises may do so in much less time. Once the reserve of glycogen in the liver is depleted, the body taps into energy stores in adipose tissues. This is when fats are broken down into free fatty acids which are then converted into additional metabolic fuel in the liver. Thus, if the fasted state lasts long enough, the body burns fat for energy and loses that extra fat. Losing the extra fat is translated into a range of associated health benefits.
Insulin is the hormone required for driving glucose into cells. Insulin level is regulated to match the amount of glucose in the blood, that is, high after a meal and low between meals. Because insulin is secreted after each meal, eating throughout the day keeps insulin levels high most of the time. Constant high insulin levels may de-sensitize body tissues, causing insulin insensitivity – the hallmark of prediabetes and diabetes type 2. Fasting helps keep insulin levels low, reducing diabetes risks.
Fasting also has beneficial effect on the brain. It challenges the brain the same way physical or cognitive exercise does. It promotes production of neurotrophic factors, which support the growth and survival of neurons.
Fasting, however, is not for everyone.
Fasting can also be unsafe if overdone, or if not done correctly.
There are several approaches to intermittent fasting, but the easiest to achieve is perhaps the one that simply extends the usual nighttime fast. A daily cycle of 16-hour fast followed by a 8-hour eating window is usually sustainable.
For intermittent fasting to be safe and effective, it must be combined with balanced meals that provide good nutrition. It is important to stay hydrated, and know your physical limits while fasting. The fast must be broken slowly. Overeating after fast, especially of unhealthy foods, must be avoided.

51 Comments

  1. This is the best explanation of Intermittent Fasting video Iโ€™ve seen. Never get tired of it ๐Ÿ‘๐Ÿพ๐Ÿ˜Š

  2. i want to start fasting not because i want to lose weight but i just want to do it. the problem is im underweigt and my bmi is severely low (15.4). unfortunately even tho i badly want to do this, i cant bcs my dad self diagnosed me with anorexia, im underweight with a bmi of 15.4 and im also just a teen.

  3. Intermittent fasting is good for establishing a good baseline, but the magic is in the extended fasts. The first major step is going to bed without eating for the very first time. That night, your body won’t have to deal with digestion, and all the energy will be allocated to cleansing and repair. For me, passing that stage is earning the yellow belt in fasting.

  4. I am doing intermittent fasting from 7 days now and have lost 2.2kgs so far (initiall weight- 83.70)
    Day 1:- 83.70
    Day 2:- 83.45
    Day 3:- 83:00
    Day 4 :- 82:40
    Day 5 :- 82:05
    Day 6:- 81.50
    Day 7 :- 81.50( i ate the same amount of calories but still i didn’t lost any weight, can someone tell me what’s the reason behind it?)

  5. How can anyone focus if they are hungry or get to sleep at night? 16hrs is a long time without nourishing the body.

  6. I did intermittent fasting for months, just one meal a day – and when i tell you that that one meal was gigantic I mean it – but I managed to stay fit throughout. No exercise, nothing. Healthy weight. No guilt. Just the pleasure enjoying the food

  7. Im from kerala. I was following the IF once my weight 80kg and also pcod,fatty liver. 6 months IF(various window)and monthly 2 day 24hr fasting, no rice,no sugar,no pastry,no unsaturated fat intake. Weekly 6day walking for 30 mits. After 6months my weight is 57kg.. around 23kg reduced.. and my pcod condition and fatty liver has gone

  8. in 2022 I was 300 pounds I had an eating window of 1 hour every day and I lost 120 pounds in a year and a half with not going working out I just walked a lot. I am back intermittent fasting to get down to 150 pounds or were I feel good at. Every weak on Saturday I would make seven meals two chicken drum stick brown rice with a cup of mixed vegetables it was easy. Two PM two three PM was when I ate at only no cheating.

  9. 2 days a week for intermitted fasting is perfect for me. and i will definitely suggest to normal healthy person to do the same.

  10. I will not eat 8 then fast 16 because that is a slippery slope designed to keep you fat. I’ll take 6 hours eating and 18 fasting because I know it will not hurt me. Most of us eat too much anyway.

  11. I was considered obese and on my way to diabetes and high blood pressure. As an emotional eater, this is the best eating program for me. I am on a 22/2 fast on most days, which is usually 5 days a week. I also exercise and have lost a stubborn 4 pounds. Now I am trying to lose these next 10 pounds so that I will get out of the overweight category and be a normal weight. The fat on my back is also going away. I feel good and feel much better.

  12. Since a kid is only eat once a day maybe 2000 calories but i gain weight i don’t drink cokes never like them or sweets o usually drink milk or water or juice i can’t eat a lot or my stomach hurts can anyone explain this im 6 1 and 240 pounds but i hardly eat …

  13. Just found out about IF.If someone told me you can eat a burger/pizza and ice cream but only in a limited/certain part of the day,that would be my heaven.
    It’s been months since l ate my fav foods and even a tiny slice of bread makes me gain like a ton of weight. Even eating veg/fruits is making me fat ig these days.Ik l may be exaggerating a bit,but
    I really am so tired of this whole ordeal.Please help๐Ÿ˜ข

  14. gonna start doing this bc i go to the gym around 4-5 times a week (1hr class a day – combination of pilates/cardio/yoga/weight training) but i still have stubborn fat in my tummy and arms ๐Ÿ˜“

  15. I am going track here my Intermittent fasting of One meal a day.
    I’m 19 yrs old and wanna know how it works .Target to loss 40lbs
    Lets startโœจ
    Day 1:

  16. I choose fasting 18/6, at 18hr eat 2 eggs plus vegetables, or fruits and at 24hr eat regularly. It works, ua reduces fr 10 to 7, egfr gains 66 to 71, weight loss 7-8kgs for 6 months

  17. I started doing this style of eating, 8 hours eating, 16 hours fasting..I have been doing this for 6 to 8 weeks and gained 2 lbs..I haven’t cheated one time but I am ฤoing to continue this eating style for 2 or 3 months..

  18. Wait so do I fast the whole day with no food then eat one meal on the two days and again?

  19. I am doing 14:10 (14 hours fasting window from 6:30pm to 8:30am next day).
    I am currently taking medicines which requires me to eat food during my fasting window. Can I change this fasting window from 9pm to 11am next day or 10pm to 12pm next day) so that I can adjust for taking medicines?

  20. My doctor put me on the following diet: do not eat anything until after 11:00am, and don’t eat anything until after 7:00pm, and I’ve lost 50lbs! You can see the video results of this diet if you YouTube the following: "JBL SYNTHESIS CREATOR", this is when I weighed 250lbs. And if you YouTube: "howtohomelife", you will see eight recent videos, where I weigh 200lbs and I’m still losing weight. I was tired of carrying around four bowling balls! David Riddle

  21. Iโ€™m not trying to lose weight Iโ€™m a 18 year weight lifter and Iโ€™m just trying to purify my body if anyone has tips

  22. Magnificent beat ! I would like to apprentice while you amend your site, how can i subscribe for a blog web site? The account helped me a acceptable deal. I had been a little bit acquainted of this your broadcast offered bright clear idea

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