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How Does Intermittent Fasting Make You Lose Weight

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What To Eat While Intermittent Fasting For Weight Loss

15 Intermittent Fasting Mistakes That Make You Gain Weight

While there are no restrictions on the type or quantity of food to eat while intermittent fasting, having a balanced diet helps if you want to lose weight and have specific weight loss goals in mind. It is also a healthy lifestyle practice you can inculcate.

Here are some foods you can include in your diet while intermittent fasting for weight loss:

  • Plenty of fresh high-fibre, seasonal fruits and vegetables.
  • Whole grains such as quinoa, barley, brown rice, and oats are great additions to your diet plan.
  • Lean sources of proteins like eggs, chicken, fish, pulses, lentils, etc.
  • Nuts, seeds, coconut oil, olive oil for healthy fats. They keep you full for longer.
  • Complex carbohydrates such as jowar, bajra, etc. improve satiety.
  • Hydrate adequately with water and beverages such as unsweetened tea or coffee.

Must Read:Healthy Meal Plan For Weight Loss: Selection Tips

Common Obstacles To Eating A Healthier Diet

Varady dabbles with intermittent fasting herself, typically for a few weeks after the holidays to lose a few pounds. The 16:8 plan is less intense than the other plans, but if she wants a more rapid weight loss, shell opt for alternate day fasting.

The first five fast days are pretty tricky, but once your body gets adjusted to that kind of up-down pattern of eating, it actually gets really easy, Varady told TODAY.

So how do you boost your chances of intermittent fasting success?

Can You Lose Weight By Just Intermittent Fasting

Most diets require a restriction in calories for weight loss. Intermittent fasting, however, leads to metabolic changes that help to access fat storage. For this reason, intermittent fasting regulates the appetite, and most people lose weight without intentionally restricting calories.

There are many popular diet plans and dietary eating patterns that are believed to facilitate weight loss. One of those methods is intermittent fasting.

While there are many forms of intermittent fasting, the underlying theme behind all of them is to incorporate short-term fasts for a defined period of time.

Many people who use intermittent fasting as a weight loss strategy tout it for being both easy and effective.

This article focuses on how intermittent fasting can be a useful tool to achieve your weight loss goals.

Read Also: How Do I Do Intermittent Fasting

So If Im *not* Losing Weight With If Whats The Problem

There could be a few reasons. Here are 12 intermittent fasting mistakes that you might be making, and how to fix them.

1. Youre eating too much during your eating window.

As mentioned, in general, Weight loss essentially boils down to calories in versus calories out, reminds Martin. If you end up consuming the same number of calories during your eating windows as before you started intermittent fasting, then you wont lose weight.

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In other words, if you just pack all of the calories you’d normally eat into your eating window, you’re not really changing your diet at all.

How to fix it: Try a calorie-counting app. Although I dont typically recommend calorie counting, it may help to track your caloric intake for a few days using a calorie-tracking app,” says Martin. “These apps will usually tell you the approximate daily calorie amount you need to be at in order to lose weight. Although these estimations are usually off, they can be used as a good starting point.” The app can also reveal meals or specific foods that have more calories than you’d expect, and you can adjust your diet accordingly.

2. You are not consuming enough calories on non-fasting days.

When you dont consume an adequate amount of calories on non-fasting days, your body may conserve the energy you consume, rather than burning it, says Smith.

3. Youre eating less-nutritious foods.

How Does Intermittent Fasting Work To Aid Weight Loss

3 Ways Intermittent Fasting Helps You Lose Weight

When we consume food, it is broken down into sugars by the enzymes in our gut. These sugars enter our bloodstream, and the cells use them for energy with the help of insulin. The unused sugar is then stored as fat.

During fasting, the insulin levels decline, resulting in the release of stored fat for energy. After hours of fasting, when sugar stores get depleted, the body starts burning fat. This process is known as metabolic switching. Intermittent fasting helps lose weight by extending the fasting period long enough for the body to burn all the calories consumed during the last meal so that it starts burning fat.

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Why I Chose To Try Time

The definition of intermittent fasting is pretty basic. Its really just a period of eating, followed by a period of not eating, says Krista Varady, PhD, an associate professor in the department of kinesiology and nutrition at the University of Illinois in Chicago. For over a decade, Dr. Varady has researched the effects of intermittent fasting. Intermittent fasting is kind of an umbrella term, but there are three major types of intermittent fasting. Theres alternate-day fasting, which means that you would eat fewer than 500 calories every other day and eat however many calories you want on the remaining days of the week. Theres also whats called the 5:2 approach to intermittent fasting, which means you would eat fewer than 500 calories for two days per week and however many you want on the other days. And then theres whats called time-restricted eating, which means you can eat within a certain window of time each day, like between 10 a.m. and 6 p.m., says Varady.

Given that I was becoming more active through exercise, I wasnt sure that taking in only 500 calories a day would be the best idea for maintaining my energy levels. With that in mind, I decided to try time-restricted eating instead.

RELATED: Is Intermittent Fasting Safe for People With Diabetes?

Should You Restrict Calories While Intermittent Fasting

You could also restrict your calories while on an intermittent fasting diet but this may not be as good for you as you think. It has been shown time and time again in the scientific literature that while restricting calories can result in weight loss, much of that weight loss comes from a loss of muscle .

This loss of muscle mass can be detrimental to your fat loss goals because your muscles use a lot of energy/calories. The less muscle you have, the fewer calories you burn each day. This means that in order to maintain your weight loss achievements or to avoid any plateaus, youâre going to have to decrease your calorie intake to adjust for this loss of muscle mass.

Additionally, when you restrict your calories for an extended period of time, your body goes into a âstarvation modeâ where it changes different bodily processes to try to conserve energy . This means that your body is actually trying to burn less calories every day.

Studies have shown in human and animal studies that maintaining your caloric intake while participating in an intermittent fasting diet doesnât cause a loss in muscle mass and therefore, there is no change in the amount of calories burned each day . These studies also show that you donât need to restrict your calories in order to see some of the other health benefits associated with intermittent fasting.

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Why You Dont Need A Detox Diet

It sounds logical that fasting could cleanse your body of harmful substances that could cause a host of ailments like obesity, fatigue, and headaches. But there is no scientific evidence that you need to fast to “cleanse” your body or remove toxins.

Your body – specifically, the kidneys, liver, lungs, colon, and skin — is perfectly capable of removing toxins itself.

Intermittent Fasting For Healthy Weight Loss

Can Intermittent Fasting Help You Lose Weight Without Exercise?

As weve said, not all weight loss is the same. Its essential to make sure youre losing weight in a healthy way. Can intermittent fasting help with healthy weight loss?

Here, the data are conflicting.

On one hand, intermittent fasting can help improve metabolic health by reducing blood sugar and blood pressure while also improving blood lipid levels.4

On the other hand, two trials suggested that intermittent fasting may not lead to greater weight loss than usual care, or even worse may lead to greater loss of lean muscle mass than usual care or continuous calorie restriction.5

A healthy weight loss intervention also should be relatively easy to comply with and maintain long-term. Fortunately, intermittent fasting may fit that criteria.

One study reported that working adults found time-restricted eating with an eight-hour eating window easy to comply with and maintain for three months.6

That fits with frequent clinical experience suggesting many people easily adapt to time-restricted eating, especially when they follow a low-carb or high-protein diet that helps improve satiety and reduce appetite.7

So, in terms of convenience and ease in your approach to healthy weight loss, intermittent fasting seems to be a winner.

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Supports Brain Health And Function

Intermittent fasting may help improve memory and mental performance and support brain health/function by protecting neurons in the brain against deterioration and dysfunction .

Emerging evidence suggests that intermittent fasting could be a useful intervention in neurodegenerative diseases such as epilepsy, Alzheimer’s disease, and Parkinson’s disease, and stroke .

Keep in mind that it’s not simply the act of fasting alone that may have these potential benefits, decreased inflammation, reductions in body fat, and healthier blood sugar levels have all been linked to healthy brain function.

Intermittent Fasting May Cause Older Adults To Lose Too Much Weight

While intermittent fasting shows promise, there is even less evidence about the benefits or . Human studies have looked mostly at small groups of young or middle-aged adults, for only short periods of time.

But we do know intermittent fasting could be risky in some cases. “If you’re already marginal as far as body weight goes, I’d be concerned that you’d lose too much weight, which can affect your bones, overall immune system, and energy level,” says registered dietitian Kathy McManus, director of the Department of Nutrition at Harvard-affiliated Brigham and Women’s Hospital.

Also Check: How Many Calories Can I Eat During Intermittent Fasting

How Much Weight Can You Lose In A Week/month With Intermittent Fasting And Keto

There can be no blanket answer to this question. People, their initial situation, and their bodies are individual.

If people stick to a ketogenic diet and practice 16/8 intermittent fasting, they can lose 3-10 pounds in the first week.

However, the reason for the initial success is the depletion of glycogen stores. It is, therefore, only logical that you cannot continue to lose weight at the same pace after flushing out the water depots.

Therefore, you should not immediately despair if the weight loss stagnates after the first pounds have fallen.

After that, it can take another 2-5 weeks until a body learns to burn fat efficiently again. After all, your body burned only sugar for decades if you ate a conventional Standard American Diet before.

How much weight you can lose per week or month depends on how much body fat you carry around.

In my experience, an average person who is slightly overweight can lose about 1-2 pounds per week or 4-8 pounds per month with keto and intermittent fasting.

Last but not least, you want to lose weight at a healthy pace and, most importantly, sustainably. If you are close to your target weight, you will lose weight more slowly. However, if youre far from it, it can go significantly faster.

Why Might Changing Timing Help

Intermittent Fasting Lose Weight and Improve Dieting wont ...

But why does simply changing the timing of our meals to allow for fasting make a difference in our body? An in-depth review of the science of IF recently published in New England Journal of Medicine sheds some light. Fasting is evolutionarily embedded within our physiology, triggering several essential cellular functions. Flipping the switch from a fed to fasting state does more than help us burn calories and lose weight. The researchers combed through dozens of animal and human studies to explain how simple fasting improves metabolism, lowers blood sugar levels lessens inflammation, which improves a range of health issues from arthritic pain to asthma and even helps clear out toxins and damaged cells, which lowers risk for cancer and enhances brain function.

Also Check: How To Lose Weight By Intermittent Fasting

Mistake #: Thinking Intermittent Fasting Is Too Hard

I hear this a lot from people. The thought of eating nothing for an extended period of time can be intimidating. Ill starve if I go that long without eating, they say. Or, I wont have any energy and Ill be a cranky as hell if I fast.

First of all, your body will not starve by eating nothing for 16-18 hours not even close. But also, intermittent fasting is way easier than youd think it just sounds hard if you havent tried it yet.

IF is so easy, in fact, that youre actually doing it without even realizing it. Most people follow close to a 12/12 IF schedule meaning, 12 hours of fasting alternated with a 12-hour feeding window every day.

For example, if you end your last meal around 8:00 pm and eat your first meal at 8:00 am, thats 12/12. Even if you eat you last meal at midnight and eat your first meal at 8:00 am, thats an 8/16 IF. Research shows that as little as a 12-hour fasting window can provide benefits.

Starting IF is easy. Just make sure youre close to a 12/12 schedule. As that becomes easy, increase the fasting window while decreasing the feeding window by an hour each. Start with 12/12 and set a goal to eventually arrive at a daily 16/8 schedule. But take your time getting there. Do 12/12 for a few days, or even a few weeks, then step it up to 13/11 for the same amount of time, then 14/10, then 15/9, then 16/8. Trust me, its easier than most people think.

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What Is The Best Intermittent Fasting Window To Lose Belly Fat

If youre trying to lose weight, when you eat might be as important as the foods you choose.

While intermittent fasting is not new, the trend is beginning to gather more attention. As part of a 2019 study, researchers followed 19 adults with metabolic syndrome whose meals were spread over a 14-hour window and found limiting meals to a 10-hour window was associated with weight loss, smaller waist circumference, lower blood pressure and LDL bad cholesterol.

The study also showed time-restricted eating helped decrease visceral fat, the dangerous fat stored in the stomach that has been linked to increased risk of heart disease, stroke and diabetes. Although participants were not asked to change their diets, they consumed 9% fewer calories.

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Reduce Stress And Improve Mental Health

The 16:8 diet help reduce cortisol levels and help reduce inflammation. Plus, since you wont be dealing with hunger for two days a week, its better for your mental health.

Those whove tried the 16:8 diet say how much more productive they are during fasting hours, spending less time stressing over food and more time channelling their energy into other beneficial tasks throughout the day.

Can I Do Intermittent Fasting And Lose Weight Without Exercise

How Does Intermittent Fasting Help You Lose Weight? | 5 IF Methods [2021]

Also, exercise is by no means a must for losing weight with intermittent fasting. As long as insulin levels are not lowered by fasting or diet, exercise cannot immediately help burn fat.

Finally, insulin blocks the enzyme that breaks down body fat .

Exercise gives you one thing above all: Appetite. Therefore, people who base their diets on refined carbohydrates will gain rather than lose weight through excessive exercise.

In addition, constant eating and high insulin levels can cause muscle mass to be lost instead of body fat. This way, people reduce their basal metabolic rate.

We also know this negative spiral as yo-yo dieting.

A study involving the weight-loss TV show The Biggest Loser participants demonstrated this very fact.

In this study, the weak metabolic rate persisted longest in those who lost the most weight during calorie restriction.

Consequently, these participants rapidly regained weight after conventional caloric restriction .

The longer your fasting periods, the less exercise you need to do to lose weight. Ultimately, the increased growth hormone release preserves muscle mass and stimulates muscle growth .

Therefore, experienced intermittent fasting enthusiasts can gain partial muscle mass with One Meal a Day by doing a few minutes of weight training weekly.

Also Check: What Is Better Keto Diet Or Intermittent Fasting

Improves Insulin Resistance Which Can Help Diabetes Prevention And Management

Intermittent fasting and weight loss may help reduce fasting blood glucose and improve insulin sensitivity through lowering concentrations of leptin, the hormone produce by fat cells to regulate hunger, and increasing adiponectin, a hormone that plays a role in glucose and lipid metabolism.

In some studies where fasting was used as a weight-loss intervention and strategy for maintaining a healthy weight, people who intermittently fast had lower levels of blood glucose which happens to be a central goal in the prevention and treatment of diabetes .

These possible benefits may be driven more by reductions in body weight and body fat percent stemming from caloric restriction influenced by intermittent fasting, but research still shows an overall positive effect on blood sugar levels when intermittent fasting .

Intermittent fasting may help improve glycemic control and insulin resistance with a reduction in weight in those with diabetes and those without.

/8you Have Chosen The Wrong If Plan

Choosing the right IF plan is extremely crucial. If you choose a method that does not sync well with your sleep time or your everyday routine, you may end up doing more harm than good. As mentioned before, beginners should start slow and do not straightaway jump to a 24 hours of fasting. If you cannot keep up with it, you may end up eating more calories than usual, leading to unhealthy weight gain.

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