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Best Type Of Fasting For Weight Loss

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Rules For All Fasting Diets

Intermittent Fasting for SERIOUS Weight Loss – Dr. Berg
  • Cutting back on carbs and filling up on the right fats during your eating window can help you avoid the blood sugar crashes that come during fasting periods. Experiment with different fasting diet foods and see how you feel.
  • Stay hydrated with regular water intake. Aim to drink more water than usual.
  • If you want to exercise, time your eating window close to your workout. Some people prefer to hit the gym while theyre abstaining from eating. Do what works for you.
  • When you break your fast, break it well. The best fasting diet foods are healthful whole foods like vegetables, quality fats and pasture-raised meat to maximize your nutrient intake.
  • Stock up on go-to drinks to help carry you through your fast. Unless youre doing a strict water-only fast, you can sip plain tea and coffee on fasting days, like clean Bulletproof Coffee Beans.
  • On non-fasting days, have high-fat, lower-carb snacks and drinks ready when your energy gets low, like a Bulletproof Collagen Protein Bar or Bulletproof Cold Brew Latte.

Why Fasting For Weight Loss Can Backfire

When you eat less than you need and you lose weight, your body goes into a starvation mode. To save energy, your metabolism slows down.

When you’re done fasting and you go back to your usual diet, you may regain the weight you lost, and then some.

On a fast, your body adjusts by curbing your appetite, so you will feel less hungry at first. But once you have stopped fasting, your appetite revs back up. You may feel hungrier and be more likely to overeat.

Fasting every other day has similar results. It helps people lose weight, but not for long.

In one study, people who fasted every other day shed weight, even when they ate all they wanted on days when they weren’t fasting. But the weight loss didn’t last over time.

Intermittent Fasting Dos And Don’ts

The study review also offers some practical tips on how to ease yourself into an intermittent fasting regime easier, as listed on ScienceDaily:

  • Adjustment time Side effects such as headaches, dizziness and constipation subside after one to two weeks of fasting. Increased water intake can help alleviate headaches caused by dehydration during this time.
  • Exercise Moderate to high-intensity endurance or resistance training during food abstention can be done, and some study participants reported having more energy on fast days. However, studies recommend those following alternate day fasting eat their fasting day meal after exercise.
  • Diet during fasting There are no specific recommendations for food consumption during intermittent fasting, but eating fruits, vegetables and whole grains can help boost fiber intake and help relieve constipation that sometimes accompanies fasting.
  • Alcohol and caffeine For those using an alternate day or 5:2 fasting plan, alcohol is not recommended on fast days as the limited calories should be used on healthy foods that provide nutrition.

The review also suggests that intermittent fasting might not be ideal for certain types of people, including people who are pregnant or lactating, children under 12, those with a history of disordered eating, those with a body mass index, or BMI, less than 18.5, shift workers and finally, people who need to take medication with food at controlled times.

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Fast For 12 Hours A Day

The rules for this diet are simple. A person needs to decide on and adhere to a 12-hour fasting window every day.

According to some researchers, fasting for 1016 hours can cause the body to turn its fat stores into energy, which releases ketones into the bloodstream. This should encourage weight loss.

This type of intermittent fasting plan may be a good option for beginners. This is because the fasting window is relatively small, much of the fasting occurs during sleep, and the person can consume the same number of calories each day.

The easiest way to do the 12-hour fast is to include the period of sleep in the fasting window.

For example, a person could choose to fast between 7 p.m. and 7 a.m. They would need to finish their dinner before 7 p.m. and wait until 7 a.m. to eat breakfast but would be asleep for much of the time in between.

What Is Intermittent Fasting

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Many diets focus on what to eat, but intermittent fasting is all about when you eat.

With intermittent fasting, you only eat during a specific time. Fasting for a certain number of hours each day or eating just one meal a couple days a week, can help your body burn fat. And scientific evidence points to some health benefits, as well.

Johns Hopkins neuroscientist , has studied intermittent fasting for 25 years. He says that our bodies have evolved to be able to go without food for many hours, or even several days or longer. In prehistoric times, before humans learned to farm, they were hunters and gatherers who evolved to survive and thrive for long periods without eating. They had to: It took a lot of time and energy to hunt game and gather nuts and berries.

Even 50 years ago, it was easier to maintain a healthy weight. Johns Hopkins dietitian Christie Williams, M.S., R.D.N., explains: There were no computers, and TV shows turned off at 11 p.m. people stopped eating because they went to bed. Portions were much smaller. More people worked and played outside and, in general, got more exercise.

Nowadays, TV, the internet and other entertainment are available 24/7. We stay awake for longer hours to catch our favorite shows, play games and chat online. Were sitting and snacking all day and most of the night.

Recommended Reading: How Long Does Fasting Last

How To Lose Weight By Fasting: The 1: 8 Diet

The 16:8 diet is one of the most popular ways of intermittent fasting. Its extremely simple: for 16 hours you fast, avoiding food and any calorie-containing beverages, and then once those 16 hours are up, you eat your meals within a specific eight-hour eating window.

The great thing about this method is that you can choose any eight-hour window that suits your lifestyle. Plus, your 16 hours of non-eating can incorporate sleep time. For example, you could stop eating at 8pm and wait until noon the next day to open your eating window again. Or if you prefer an earlier breakfast you could opt for a 9am to 5pm eating schedule.

A downside of the 16:8 diet is that it may take your body some time to adjust to eating more meals within a shorter time frame. One workaround is to limit your eating to two meals a day, but initially, you may wish to start with three meals spread out over the course of the eight hours.

Research from the journal Nutrients suggests that intermittent fasting methods like the 16:8 diet can help lower high blood pressure, reduce the amount of food consumed and ultimately lead to weight loss. And for those worried about losing muscle, the 16:8 diet can help maintain muscle mass and prevent muscle loss when combined with resistance training, according to studies in the Journal of Translational Medicine and the American Journal of Clinical Nutrition .

How To Get Started

Getting started is simple.

In fact, chances are youve already done many intermittent fasts before. Many people instinctively eat this way, skipping morning or evening meals.

The easiest way to get started is to choose one of the intermittent fasting methods above and give it a go.

However, you dont need to necessarily follow a structured plan.

An alternative is to fast whenever it suits you. Skipping meals from time to time when you dont feel hungry or dont have time to cook can work for some people.

At the end of the day, it doesnt matter which type of fast you choose. The most important thing is to find a method that works best for you and your lifestyle.


The easy way to get started is to choose one of the methods above and give it a go. Stop immediately if you experience any adverse effects.

Recommended Reading: How To Count Fasting Hours

The Warrior Diet By Ori Hofmekler

Method: Under eat during the day eat one huge meal at night.

Suited for: The dedicated few who can follow rules.

How to:

  • Fast for about 20 hours/day.
  • Eat 1 large meal at night.
  • Maximize the Sympathetic Nervous Systems fight or flight response by eating small servings of raw vegetables, fruits and protein during the 20 hour fasting time.
  • Maximize the Parasympathetic Nervous Systems ability by overeating during the 4 hours of feeding time at night.


  • Daytime under-eating 20 hours .
  • Nighttime overeating – Eat in this order: veggies, fats, proteins, carbs.

Why The Warrior Diet?

  • Feeding the body the nutrients it needs in sync with circadian rhythms.
  • Humans are nocturnal eaters programmed to eat at night.


  • Fasting period allows you to still eat small snacks.
  • People have reported increased energy and fat loss.


  • What/when to eat guidelines can be tough to follow.
  • Strict scheduling and meal plan makes it difficult to adhere to especially for social butterflies.
  • Some people dont like to eat large meals at night.

Tip: Food choices similar to the Paleo diet.

Types Of Fasting Diets And How To Choose The Right One

This Is The Best Type Of FAST For YOU

Reviewed by Emily Gonzalez, ND for Scientific Accuracy

  • Fasting diets can help you manage your weight, increase mental clarity and reduce your risk for disease, simply by changing when you eat.
  • You can incorporate fasting into any diet, but more structured options are also available. Types of fasting diets include 16:8 intermittent fasting and OMAD.
  • The best fasting diet is the one that works best with your lifestyle. Below, youll find tips on how to choose the right plan for you.

Fasting isnt just a scientifically proven way to manage your weight. Different types of fasting diets also help your body remove cellular waste and even improve your mood. From lowering your risk for disease to improving memory, you can enjoy loads of fasting benefits just by changing when you eat.

Fasting can fit into any dietbut if you need structure, you have options. Depending on your eating habits and health goals, youll find a style that fits your routine. Keep reading to learn about some of the best fasting diets and how to get started.

Recommended Reading: How Many Calories Can I Eat With Intermittent Fasting

How Does Intermittent Fasting Work

There are several different ways to do intermittent fasting, but they are all based on choosing regular time periods to eat and fast. For instance, you might try eating only during an eight-hour period each day and fast for the remainder. Or you might choose to eat only one meal a day two days a week. There are many different intermittent fasting schedules.

Mattson says that after hours without food, the body exhausts its sugar stores and starts burning fat. He refers to this as metabolic switching.

Intermittent fasting contrasts with the normal eating pattern for most Americans, who eat throughout their waking hours, Mattson says. If someone is eating three meals a day, plus snacks, and theyre not exercising, then every time they eat, theyre running on those calories and not burning their fat stores.

Intermittent fasting works by prolonging the period when your body has burned through the calories consumed during your last meal and begins burning fat.

The Three Popular Approaches To Intermittent Fasting Are:

  • Alternate-day fasting Eat a normal, healthy diet one day and then completely fast or have one small meal the next day. Usually, the small meal is fewer than 500 calories.
  • 5-2 fasting Eat a normal diet five days a week and fast two days per week.
  • Daily time-restricted fasting Eat normally but only within an eight-hour window each day. For example, skip breakfast, but eat lunch around 11 a.m. and dinner by 7 p.m.

Read Also: Can I Do Intermittent Fasting

Frequently Asked Questions Concerns And Complaints

Im a woman. Should I do anything differently?

I havent worked with women on implementing an intermittent fasting schedule, so I cant speak from experience on this one.

That said, I have heard that women may find a wider window of eating to be more favorable when doing daily intermittent fasting. While men will typically fast for 16 hours and then eat for 8 hours, women may find better results by eating for 10 hours and fasting for 14 hours. The best advice I can give anyone, not just women, is to experiment and see what works best for you. Your body will give you signals. Follow what your body responds favorably to.

Also, if youre a female, there is an allfemale page on Facebook that discusses intermittent fasting. Im sure you could find a ton of great answers and support there.

I could never skip breakfast. How do you do it?

I dont. Breakfast foods are my favorite, so I just eat them at 1pm each day.

Also, if you eat a big dinner the night before, I think youll be surprised by how much energy you have in the morning. Most of the worries or concerns that people have about intermittent fasting are due to the fact that they have had it pounded into them by companies that they need to eat breakfast or they need to eat every three hours and so on. The science doesnt support it and neither do my personal experiences.

I thought you were supposed to eat every 3 hours?

Hereâs why this was a popular idea for a brief period of time:

Hereâs the problem:

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Best Fasting Diet For Weight Loss

Intermittent Fasting for Weight Loss: How It Works and How to Get ...

The best fasting diet for weight loss is actually the one you pay attention to! Now Im not going to lie to you this is A strict fasting diet has helped me lose weight, and it has been studied by doctors and nutritionists. I lost several pounds in a short period of time. I am happy with the outcome. However, I dont recommend this diet to anyone.

Read Also: When Will I Lose Weight With Intermittent Fasting

Popular Intermittent Fasting Schedules For Weight Loss Explained By Experts

Intermittent fasting has become a popular weight-loss tool for a reason: It has amassed a huge following over the years, including celebrities like Vanessa Hudgens and Halle Berry, who swear by this eating plan. There are many different ways to do it, though, and each intermittent fasting schedule works for different people.

ICYMI, intermittent fasting is a type of eating plan that alternates periods of eating and fasting in which you can only consume water, coffee, and tea. During your eating windows, you can generally have what you want, which is why the plan works for a lot of people.

There are plenty of benefits to back the hype of IF, but it is not for everyone, and the last thing youd want to do is try sticking to a plan that feels impossible because it clashes with the structure of your day.

Intermittent fasting can be difficult to follow if youre the type who munches on smaller portions or snacks throughout the day. And its definitely not a good idea for anyone with a history of disordered eating or diabetes and those who are pregnant or breastfeedingeven if weight loss is recommended, says Dana White, RD. And if your schedule is sporadic or you work out at various times of the day, you might also want to reconsider taking on IF.

Effective Fasting Methods For Weight Loss Science Says

Since it’s been a trendy eating habit for a while now, you’ve likely already heard of intermittent fasting, or IF for short. If you’re trying to lower the number on the scale, variations of this diet offer minimalist approaches to losing weight.

“Any time we have a calorie deficit, there will be weight loss,” Jenny Fontana, NT, NCRC, NCFAC, who instructs certified nutrition coaches, tells Eat This, Not That!.

There are several different forms of intermittent fasting, some of which may be more practical weight loss interventions than others. A study recently published in JAMA Network highlighted three methods found to be particularly effective.

Related: Intermittent Fasting Can Lead to “Significant” Weight Loss, New Research Says

“This study is essentially a review of review articles. It demonstrates that the different forms of intermittent fasting are all effective weight loss interventions for people with obesity,” Krista Varady, PhD, co-author of the study and a nutrition professor at the University of Illinois, Chicago, told Medical News Today.

Beyond weight loss, IF also offers a wealth of science-backed health benefitshere are seven to be aware of. But first, here’s a breakdown of the three forms of intermittent fasting name-checked by Varady.

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How Intermittent Fasting Works For Weight Loss

Intermittent fasting can help with weight loss. This makes sense to us instinctively. In fact, in prehistoric times it used to take a lot of time and effort to hunt for food, so we have evolved to go without food for long periods.

But how does it work? When we consume food its broken down in our gut and released into our bloodstream. Carbohydrates are broken down into sugar, and moved from the bloodstream into our cells by a hormone known as insulin. This sugar is used for energy by our cells. If our cells dont need to use it all up then we store it as fat in our fat cells. When we fast our insulin levels go down. Instead of sugar moving into our fat cells, stored sugar is released from fat cells and used for energy. The basic idea behind intermittent fasting for weight loss is that when our insulin levels go down sufficiently, for long enough, we start to burn fat. So were essentially giving our bodies time to burn through the calories that we had during our last meal and then start burning fat.. Harvard Health Publishing.. The John Hopkins University.

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