Types of Fasting Regimens

Intermittent fasting can be done in a variety of different ways. The number of fast days and calorie allowances vary between the methods.

When you intermittently fast, you completely or partially skip meals for a predetermined period of time before starting to eat normally again.

According to some studies, this eating style may promote weight loss, better health, and longer life. Intermittent fasting programs are said to be simpler to keep up than conventional, calorie-restricted diets.

The perception of intermittent fasting varies from person to person, and different approaches will work for different people.

In this article, we cover the science behind the most well-liked forms of intermittent fasting and offer maintenance advice.

There are basically seven different methods of IF

Intermittent fasting can be done in a number of ways, and different people will favor particular approaches. Discover seven different approaches to intermittent fasting in the following paragraphs.

1. 12 hours a day of fasting

People may respond better to different types of intermittent fasting.
This diet has straightforward guidelines. A person must choose and follow a 12-hour fasting window each day.

Some researchers claim that fasting for 10 to 16 hours can cause the body to use its fat reserves as fuel, releasing ketones into the blood system. This ought to promote weight loss.

For beginners, this kind of intermittent fasting plan might be a good choice. This is so because the fasting window is so brief, the person can have the same number of calories every day, and most of the fasting happens while they sleep.

The simplest way to complete the 12-hour fast is to include the time spent sleeping.

One might decide to abstain from food between the hours of 7 p.m. and 7 a.m. They would have to finish dinner before 7 o’clock and wait until 7 a.m. to eat breakfast, but they would spend most of that time asleep.

2. Observing a 16-hour fast

The 16:8 method, also known as the Leangains diet, involves fasting for 16 hours per day, followed by an 8-hour window for eating.

Men fast for 16 hours daily while women fast for 14 on the 16:8 diet. If you’ve tried the 12-hour fast before and didn’t experience any benefits, you might find this type of intermittent fasting to be beneficial.

On this fast, people typically finish their evening meal by 8 p.m. and don’t eat again until noon the following day after skipping breakfast.

Even when mice consumed the same total amount of calories as mice that were allowed to eat whenever they pleased, a study on rats found that restricting the eating window to 8 hours shielded them from obesity, inflammatory processes, diabetes, and liver disease.

3. Observing a two-day weekly fast

The 5:2 diet involves eating normally sized portions of healthful food for 5 days and consuming fewer calories on the other 2 days.

Men typically consume 600 calories and women 500 calories each of the two fasting days.

Typically, people set aside specific days of the week for fasting. For instance, they might eat normally the other days and fast on Monday and Thursday. Between each fasting day, there should be at least one non-fasting day.

The 5:2 diet, also referred to as the Fast diet, has received little research. According to a study conducted on 107 overweight or obese women, cutting calories twice a week and continuously did not result in significantly different weight loss.

The study also discovered that this diet increased participants’ insulin sensitivity while lowering their insulin levels.

Trusted Source examined the outcomes of this fasting regimen in 23 obese women. The women lost 4.8 percentage of their weight and 8.0 percent of their total fat during a menstrual cycle. However, after 5 days of regular eating, these measurements went back to normal for the majority of the women.

4. Alternating days of fasting

The alternate day fasting strategy, that also calls for fasting every other day, comes in a variety of forms.

Alternate-day fasting can mean avoiding all solid foods on fasting days for some people while allowing up to 500 calories for others. People frequently decide to eat as much they want on feeding days.

According to a dependable source, alternate-day fasting is beneficial for both healthy and overweight adults’ weight loss and cardiovascular health. Over the course of a 12-week period, the 32 attendees shed an average of 5.2 kilograms (kg), or just over 11 pounds (lb).

Alternate day fasting is a particularly strict form of intermittent fasting, so it might not be appropriate for newcomers or people with particular medical conditions. Long-term maintenance of this kind of fasting might also be challenging.

5. A weekly fast of 24 hours

A person can drink teas and calorie-free beverages while following a 24-hour diet.
The Eat-Stop-Eat diet involves going without food for 24 hours at a time on one or two days a week. Many people observe a fast from lunch to lunch or from breakfast to breakfast.

Those following this diet can consume calorie-free beverages like water, tea, and others while fasting.

On the days when there is no fasting, people should resume their regular eating habits. This type of eating reduces a person’s overall calorie intake without limiting the types of foods they consume.

A 24-hour fast can be difficult and can result in headaches, fatigue, or irritability. Many people discover that as their bodies get used to this new eating pattern, these effects gradually become less severe.

Before switching to the 24-hour fast, some people may find it helpful to try a 12- or 16-hour fast.

6. Skipping meals

Beginners may benefit from this balanced approach to intermittent fasting. It occasionally entails skipping meals.

Depending on how hungry they are or how much time they have, people can choose which meals to skip. However, it’s crucial to eat wholesome foods at every meal.

Meal skipping is probably most successful when people pay attention to and act on their hunger cues. In essence, those who practice this form of intermittent fasting will feed only when they are truly hungry and skip meals otherwise.

For some people, this may feel more intuitive than the other fasting techniques.

7.The Warrior Diet

A relatively extreme example of intermittent fasting is the Warrior Diet.

The Warrior Diet entails fasting for 20 hours, during which time only a few servings of uncooked fruit and vegetables are consumed, and then having one large meal at night. Typically, the eating window lasts only four hours.

Those who have tried other types of intermittent fasting may benefit from this type of fasting the most.

The Warrior Diet’s proponents assert that since humans are nocturnal by nature, eating at night enables the body to absorb nutrients in harmony with its body clock.

People should make sure to eat a lot of vegetables, proteins, and healthy fats during the 4-hour eating phase. They ought to contain some carbohydrates as well.

Even though some foods can be consumed during the period of fasting, it can be difficult to adhere to the strict rules regarding when and what to eat over the long term. Additionally, some people find it difficult to eat such a substantial meal so close to bedtime.

Additionally, there is a chance that those following this diet won’t consume enough nutrients, like fiber. Cancer risk may rise as a result of this, which can also harm the immune system and digestive system.

Advice on how to continue an intermittent fast

Intermittent fasting may be made simpler with the help of yoga and light exercise.
Adhering to an intermittent fasting plan can be difficult.

The following pointers could aid individuals in maintaining their goals and maximizing the advantages of IF:

  • retaining fluids

Throughout the day, consume a lot of water and calorie-free beverages like herbal teas.
avoiding food obsession. On days when you’re not eating, schedule plenty of activities to keep your mind off food, like catching up on work or going to the movies.

  • snoozing and unwinding

On days when you’re fasting, stay away from strenuous activities, though light exercise like yoga may be helpful.
counting every calorie. Choose nutrient-dense foods that are high in protein, fiber, and beneficial fats if the chosen plan permits some calories during fasting periods. Beans, lentils, eggs, fish, nuts, and avocado are a few examples.
eating a lot of food. Pick foods that are filling but low in calories, such as popcorn, raw vegetables, and fruits with a lot of water, like melons and grapes.

  • enhancing flavor without more calories

Use plenty of garlic, herbs, spices, or vinegar to season food. These foods have a ton of flavor and very few calories, which might help people feel less hungry.

  • after the fast, choosing nutrient-dense foods

It helps to maintain stable blood sugar levels and avoid nutrient deficiencies to consume foods that are high in fiber, vitamins, minerals, and other nutrients. A well-balanced diet will also aid in losing weight and improving general health.


There are numerous ways to practice intermittent fasting, and no single strategy will be effective for everyone. The best outcomes will be obtained when people experiment with different styles to determine which ones best suit their preferences and way of life.

Whatever the form of intermittent fasting, prolonged fasting when the body is unprepared can be harmful.

Not everyone should use these types of dieting. These methods might make someone who is prone to disordered eating’s unhealthy relationship with food worse.

Before attempting any type of fasting, people with health conditions such as diabetes should consult their doctor.

On days when you aren’t fasting, it’s crucial to eat a nutritious, balanced diet for the best outcomes. If necessary, a person can get expert advice to tailor an intermittent fasting plan and stay away from pitfalls.