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How Many Calories Should I Eat Intermittent Fasting 16:8

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How Many Calories Should I Eat When Doing 16 8 Intermittent Fasting

What is intermittent fasting? Scientific take on 5:2 and 16:8 diets

Diet Decoder: Experts Discuss the Latest Ways to Lose Weight It can feel like a perpetual war among factions, with adherents who swear by everything from Weight Watchers to intermittent.

Eating platefuls of plant-based foods might.

Physical activity helps determine how many calories you burn in a day. And there are other factors that play a role. You have to consider access.

What’s involved? On fasting day, participants would eat about 20 25% of their prescribed caloric intake . On their feeding days, they.

A JAMA Network study explored how a time-restrictive eating model, like intermittent fasting, affects weight loss in obese and overweight populations. The participants were instructed to eat as much.

From the food you eat to the way.

So, how do you choose who to include in your inner circle? Its not always easy, but there are some key things that you should look for when determining.

For starters, there’s no prescribed calorie limit, which means no crunching numbers and relying on calorie counting guides before eating. But.

For example, you can eat however many calories you want and get those calories in whatever foods that you desire. However, it is a good idea to limit your calories to under 1500 per day. Any more and you may ruin the fat-burning effects of this diet.

Low in fat and high in protein, chicken can go a long way in helping you to shape a healthy, nutrient-rich diet. Here’s how.

May 28, 2022.

From the food you eat to the way.

How To Begin Intermittent Fasting

Intermittent fasting is not a diet it is a timed approach to eating. Unlike many other dietary plans, intermittent fasting does not specify which foods to eat or avoid. Intermittent fasting may be beneficial for health and weight management but is not suitable for everyone.

Intermittent fasting involves cycling between periods of eating and periods of fasting. At first, people may find it difficult to eat during a short window of time each day or to alternate between days of eating and not eating.

This article offers tips on the best way to begin fasting, including identifying personal goals, planning meals, and establishing calorie needs.

Intermittent fasting is a popular method that people use to:

  • simplify their life
  • improve their overall health and well-being, such as by minimizing the effects of aging

Though fasting is generally safe for most healthy, well-nourished people, it may not be appropriate for individuals who have any medical conditions. For those who may be able to safely fast according to their doctor, the following tips aim to help make the experience as easy and successful as possible.

Mistake #: Youre Not Sure What Counts

So my wife and I are trying to start on the IF journey . Its harder than we thought. How can she do coffee in the mornings without throwing off the benefits of the fast? She doesnt care for black coffee, but the chokehold of caffeine has her in its stimulant grip, and I dont want to die in that ditch today.

I, too, live and die by that a.m. cup of coffee. But this person is overthinking it. The best thing to do is simplify your routine. Have your morning cup of coffee exactly as you like it and break your fast then. For example, if youre doing 16:8 , have your coffee at 8 a.m. and your last meal at 4 p.m.

Also Check: Jesus Fasting For 40 Days

Side Effects And Risks Of The : 4

Any dieting plan or fasting regime does have its side effects and risks, and there is no one plan that is suitable for everyone.

The 20:4 or Warrior Diet is one of the more extreme forms of intermittent fasting with the extended period of fasting and as such the side effects may be greater. Before you commence the fast, its important to do your research and consider consulting a health practitioner to ensure its safe for you.

Some side effects of the 20:4 diet due to the duration of calorie restriction include:

  • Hormone disruptions

Foods To Eat When Following A 16/8 Intermittent Fasting Method

How Many Calories Should I Eat In A Day While Intermittent Fasting

When it comes to what foods to eat on 16/8 intermittent fasting the best thing is that there are no food rules or restrictions, or maybe just some rules that you need to stick to.

The advantage of intermittent fasting no matter what method you will choose is that you dont have to waste time on calorie counting or monitoring your intake of carbs.

But you need to follow some rules. It is recommended to limit intake of junk and processed foods. As you know these foods are associated with weight gain and an increased risk of diseases such as obesity and heart disease.

Theoretically, you can eat anything you want in the 8-hour eating window but by doing this you wont see any results. People often reward themselves after fasting hours with junk food, thereby alternate-day fasting is incredibly popular.

No matter what intermittent fasting method you choose to follow there are two things that you need to remember:

  • You should aim eating more healthy and quality food during eating hours
  • Discipline is mandatory

If you do intermittent fasting and you eat junk and processed foods during the eating period you wont see any results, no matter if you are doing this to lose some weight or to improve your health.

So picking the right foods on the 16/8 intermittent fasting method or any other IF method is crucial.

Read Also: How To Start Low Carb Intermittent Fasting

How Many Calories Should Women Eat During Intermittent Fasting

The best part about intermittent fasting is that its easy to incorporate into our daily routines, theres no need to purchase foods to mimic fasting, and getting started with fasting is easy.

Intermittent fasting only restricts when you eat foods, it does not restrict how much you should eat or what you should eat. The latter two are based on your bodys dietary needs and health goals.

Women are notorious for incorporating intermittent fasting to help with weight loss however, fasting or not, restricting too many calories can actually be counterproductive.

Sometimes, the problem lies with not being sure what counts towards fasting in other words, youre not sure what you can eat or drink while fasting. In short: during your fasting period, you can only have 0-calorie drinks and no food.

You should eat the number of calories your body needs to thrive in a way that supports your goals as well as provides the nutrition it needs.

A good starting point is to use a simple calorie calculator that can tell you how many calories you should eat based on your gender, age, lifestyle habits / physical activity, and goals.

Why Fasting Everyday Is Not Your Best Plan

One major difference between intermittent fasting and other forms of diets is that you can preserve your bodys basal metabolic rate. Your basal metabolic rate should not drop off when you do intermittent fasting correctly.

So, the eat 8 hours, fast 16 hours per day for weight loss can lose some of its value, if you do 16/8 intermittent fasting every day for say 6 months continuously.

You will still lose weight. But the weight loss of 16/8 intermittent fasting may start to get marginal over time when abused.

What I am trying to say here is: we want to avoid going into the so-called starvation mode where your body adapts to current eating pattern and reduces your basal metabolic rate correspondingly. Energy saving mode, that is.

You want to keep your body guessing. It wont, if you get into a regular predictable pattern.

Dont forget the keyword: Intermittent. Makes sense?

Read Also: When To Eat Intermittent Fasting

What Is The History Of Intermittent Fasting

Fasting has been around since ancient times and has predominantly been practiced within religions, according to a study published in the Journal of the Academy of Nutrition and Dietetics. But the version of IF thats talked about today arose in the past decade or so. According to Harvard Health, IF became more popular around 2012 when the documentary Eat, Fast, and Live Longer aired. The Journal of the Academy of Nutrition and Dietetics study says many books on the topic were published around that time as well, including 2013s The Fast Diet, which added to the buzz. Research followed. Over the past five years, rigorous research has shown the remarkable benefits of intermittent fasting, which is behind this sudden interest, says Sara Gottfried, MD, the Berkeley, Californiabased author of Brain Body Diet.

Is Intermittent Fasting Safe


Some people try intermitting fasting for weight management, and others use the method to address chronic conditions such as irritable bowel syndrome, high cholesterol or arthritis. But intermittent fasting isnt for everyone.

Williams stresses that before you try intermittent fasting , you should check in with your primary care practitioner first. Some people should steer clear of trying intermittent fasting:

  • Children and teens under age 18.
  • Women who are pregnant or breastfeeding.
  • People with diabetes or blood sugar problems.
  • Those with a history of eating disorders.

But, Williams says, people not in these categories who can do intermittent fasting safely can continue the regimen indefinitely. It can be a lifestyle change, she says, and one with benefits.

Keep in mind that intermittent fasting may have different effects on different people. Talk to your doctor if you start experiencing unusual anxiety, headaches, nausea or other symptoms after you start intermittent fasting.

Read Also: What Can I Eat On Intermittent Fasting

Should I Exercise During 16/8 Intermittent Fasting To Lose Weight

The short answer is yes, you should.

But you dont have to. Exercise is not mandatory for you to lose weight on 16/8 intermittent fasting But it helps a great deal. You will still lose weight if you eat in 8 hours, fast for 16 hours IF protocol without exercise.

When you do add exercise to your 16/8 fasting protocol, its better to do it in the last hour of your fast and eat soon after.

Why is this?

Exercise sensitizes the muscles and makes them receptive to the macro and micronutrients made available from your meals. Thats why eating soon after your exercise sets the stage maximum nutrient utilisation.

In particular, protein synthesis, hence the high protein diet recommended when you exercise. This is highly protective of your muscles, preventing any muscle loss. Not only that, protein synthesis facilitates muscle building, if bulking up is your thing.

If you are going to exercise, then the right exercise that gets the best results for 16/8 intermittent fasting weight loss is high intensity interval training .

Naturally, if you want to really build muscle, then of course you need to lift those weights.

And just in case, you are wondering if you will lose weight on 16/8 intermittent fasting, well take a look at this study.

The participants in that study are trained young men in their 20s and 30s who were already middle-level fitness guys. They were split into 16/8 IF group and Normal Diet group. The study ran over 8 weeks.

How To Do The : 8 Intermittent Fast

The 16:8 is an easy way of intermittent fasting that complements a busy schedule. It can be achieved by following the bodys natural sleep cycle and restricting calorie intake during the morning and evening. For example, passing on dessert or after-dinner snacks in the evening before skipping breakfast and breaking your fast with a well-deserved lunch is an easy way to practise the 16:8 fast and circumvents the prescribed tradition of eating three full meals per day. Adults usually require 7-9 hours of sleep to allow the body to recover and metabolise food consumed during the day. The body may need more sleep than usual during caloric restriction so prioritising long, quality sleep is integral. Indeed, lack of sleep is associated with increased levels of the hunger hormone ghrelin and decreased levels of the hormone leptin that indicates fullness, making fasting more difficult . The 16:8 is easier to commit to than other methods such as prolonged fasting as it does not restrict your diet during feast hours. In fact, self-reported benefits of intermittent fasting include a healthier relationship with food during feast hours .

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How Many Calories Should You Eat Then

So, with all things considered, how many calories should you eat during your eating period in your 16/8 intermittent fast if you are trying to lose weight?

It really depends on the individual as it depends on a variety of factors such as your age, sex, height and activity level. But on average, if you cut 500 calories a day while you are intermittent fasting, you should lose around 1 pound in a week. This is because 500 calories in 7 days adds up to 3,500 calories, this accounts to around 1 pound in your body.

When who are between the ages of 19 to 30 generally need 2,000 to 2,400 calories a day to maintain their weight. This means that you should be eating around 1,500 to 1,900 calories a day if you plan on losing 1 pound a week. For those of you who are older, you tend to expend less calories. Women between 31 to 59 years old would usually require 1,800 to 2,200 to maintain their weight.

Men generally need more calories than women to maintain their weight. Men between the ages of 19 to 30 should generally eat 2,400 to 3,000 calories to maintain their weight. Those of you who are over 31 would need around 2,200 to 3,000 calories.

What you should remember is that these are just general number of calories you need. The number of calories you might need to eat to lose weight depends on your height, weight, how active you are and even your health status.

Final Word On 16/8 Intermittent Fasting Schedule

How Many Calories Should I Eat In A Day While Intermittent Fasting

16:8 intermittent fast can be an effective and sustainable way to lose those extra pounds and improve overall wellness when combined with healthy lifestyle choices.

These include consuming a diet rich in nutrients, limiting junk food, meeting your fitness needs, and getting enough rest.

Individuals practicing this dietary pattern should focus on eating a variety of whole foods, fruits, veggies, and protein.

Hydration is also essential during intermittent fasting and should not be limited to your eating window.

Be sure to sip on water and noncaloric beverages, such as tea and coffee, throughout the day to meet fluid needs.

Although 16:8 intermittent fast is considered a safe process for most healthy and well-nourished adults, you may consider speaking with a registered dietitian or doctor before starting any type of intermittent fasting plan.

Also Check: What Are The Different Types Of Fasting In The Bible

How To Eat Enough Calories When Intermittent Fasting

Its important that you eat enough calories when intermittent fasting so your body doesnt think that its being deprived of food and nutrition, which can often backfire by making it think its going into starvation mode regularly.

When you do not eat enough calories over a long period of time, your body will adapt by slowing down and not needing as many calories, which can be very frustrating because it can create plateaus for many people.

To make sure you eat enough calories, its important that you make an intermittent fasting meal plan with both nutrition and health goals in mind. Check out this video that explains it:

If youre new to intermittent fasting and want an easy-to-follow intermittent fasting pdf and food plan that explains it all, check out the eBook.

Intermittent Fasting for Women

If you want to dive deeper, Ive created a book with everything you need to know about intermittent fasting & a 1-week meal plan so you know exactly what to eat during your eating windows. Check out my Intermittent Fasting Guide here.

Pros And Cons Of Intermittent Fasting 16/8


Intermittent fasting helps you lose weight and enhance your body composition.

It seems reasonable to expect that eating less than you would ordinarily would will result in weight loss when you are fasting because you are not consuming any calories during the fast. The ability to fast allows you to burn up all of your stored glucose as fuel, and then dig into your fat reserves for additional energy. When we begin to burn fat reserves, we begin to lose weight and fat from our bodies.

Intermittent fasting serves to enhance body composition by forcing us to maintain a calorie deficit, boosting weight loss and a reduction in body fat, and generating good changes in our metabolism through its impact on hormones.

Intermittent fasting can help with disease prevention and lower disease risk

For disease prevention, fasting can also help regulate diabetes and decrease cholesterol and lower blood pressure, according to the Cleveland Clinics list of benefits.

Those who accompanied an intermittent fasting diet had a 9 percent decrease in their blood pressure, opposed to a 2% increase in their blood pressure when compared to those who maintained a more standard, daily diet.

It was also shown in another research that intermittent fasting enhanced sleep time, which in turn decreases blood sugar and reduces inflammation, contributing to chronic conditions such as heart disease or diabetes.

Intermittent fasting is beneficial to brain health


Long-term commitment can be difficult

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How Does It Differ From The 1: 8 Method

This plan may sound very similar to the 16:8 intermittent fast with just a smaller feeding window, however, it is actually very different to execute. Heres why:

  • You are fasting the majority of the day whereas on the 16:8 most of your fasting time is done while you are sleeping which makes it much easier to stick to.
  • You are able to eat a small portion of specific foods during your 20-hour fasting window on the Warrior Diet.
  • The four-hour eating window makes it much more difficult to consume your daily calories and meet your nutrient needs in such a limited time. Its much easier to achieve this in eight hours.
  • The original Warrior Diet places a much greater emphasis on the types of food you should be eating throughout the day and during your four-hour overeating period. Although the modern 20:4 diet has relaxed to allow you to eat what you want in your 4-hour window.
  • The original Warrior Diet also included an exercise plan to maximise the fitness and weight loss benefits while dieting.
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