How Long Should A Person Do Intermittent Fasting (And Why)?

Exact Answer: Five To Fourteen Days

Intermittent fasting is an umbrella term for intermittent energy restriction: the timing schedule between fasting and non-fasting periods. It helps in reducing the calorie intake of an individual by various methods. Some of the ways include time-restricted feeding, periodic fasting, and alternate-day fasting. Fasting is considered of very great significance in different religions.

Intermittent fasting is an alternative to a calorie restriction diet and was first started in the 21st century to reduce the side effects caused by diet-related diseases. There are several benefits of intermittent fasting that help an individual with inflammation, hypertension, obesity, dyslipidemia, insulin resistance, and many more.

How Long Should A Person Do Intermittent Fasting


Test your knowledge about topics related to Health

1 / 10

Which of the following is NOT a symptom of depression?

2 / 10

What is the best way to prevent the spread of germs?

3 / 10

Which organ is responsible for producing insulin in the body?

4 / 10

Food that contains sugar and starch.  Most of your energy comes from this kind of food. Foods with natural sugar or starch in them are the best source of this kind of food.

5 / 10

What is the main cause of sleep apnea?

6 / 10

What is the best way to prevent the onset of depression?

7 / 10

How many hours of sleep is recommended for an adult?

8 / 10

What is the main cause of heart disease?

9 / 10

What is the primary source of protein in a vegetarian diet?

10 / 10

Name the part of the eye on which image is formed?

Your score is


How Long Should A Person Do Intermittent Fasting?

Intermittent fasting is known to help lose weight and lower the risk of various cardiometabolic diseases in an individual. It is always advised to consult a Health Care provider to get information about the risk and benefits before making any crucial changes in the eating pattern and intermittent fasting. Fasting has been practiced for an extended period and has been identified as a very beneficial method in overcoming various health issues.

Time-restricted feeding is the process in which an individual eats only during some particular hours of a day. Its cycle includes eight nonfasting hours and sixteen fasting hours. In comparison, periodic fasting, also known as whole-day fasting, involved fasting for two to three days a week. However, it is individuals’ own choice to increase the number of fasting days in a week. Whereas alternate day fasting is a method in which an individual has a regular diet on one day and fasts on the next day and repeats this cycle for some time.

Age Group Of An IndividualDuration Of Intermittent Fasting
Below fifteenFive to Six days
Fifteen or aboveOne to two week

The duration of intermittent fasting depends on an individual’s age group. Children below the age of fifteen are advised not to do intermittent fasting for longer than six days. On the other hand, people aged fifteen or above can do intermittent fasting for one to two weeks. Intermittent fasting is also known as short term starvation period in different parts of the world.

Why Should A Person Do Intermittent Fasting For That Long?

Intermittent fasting helps our digestive system to repair and rest when the body is in a state of fasting. In most cases, the excess amount of fat is stored in an individual’s body. Intermittent fasting helps in burning the fat in place of keeping it and helps in reducing the weight. Intermittent fasting throws the light that the issue is not what an individual is eating but when an individual is eating. It helps reduce our body’s insulin level for a long time and helps reduce the fat stored in our body.

Intermittent fasting is more beneficial when it is combined with a proper routine of meditation and exercise. It also helps lower blood pressure and reduces the cholesterol in a person’s body, which helps slow down the aging process. In the beginning, it could be challenging to follow the schedule of intermittent fasting. Still, as time passes by, the body adjusts to the new routine. It helps an individual limit the amount of food intake, which is quite helpful.

The burning of fat starts after 12 hours of fasting, and it increases rapidly between 16 and 24 hours of the beginning of the procedure. A person can easily reduce one to two pounds of weight in one week. It is also recommended to consume a good amount of fluid during the fasting period as it helps in the digestion of the food.


Finally, it can be concluded that intermittent fasting is one of the best methods to reduce weight and is very famous globally. It also helps in fighting various diseases by lowering the insulin level to the required amount. It has three types, and all of them are pretty effective.

On average, an individual can do intermittent fasting for five to fourteen days, depending on the individual’s age group. Intermittent fasting helps reduce one to two pounds of weight in a week and limits the number of Calories and cholesterol levels of the body. It is also crucial to include Fluids in the fasting schedule.



Last Updated : 23 February, 2024

dot 1
One request?

I’ve put so much effort writing this blog post to provide value to you. It’ll be very helpful for me, if you consider sharing it on social media or with your friends/family. SHARING IS ♥️

22 thoughts on “How Long Should A Person Do Intermittent Fasting (And Why)?”

  1. The research-backed benefits of intermittent fasting are convincing, but I’d like to see more studies on its long-term effects.

  2. Intermittent fasting surely has its benefits, but I can see it being challenging for some people to follow the schedule.

    1. Avatar of Caroline Adams
      Caroline Adams

      Indeed, the safety and individual variations are key considerations for intermittent fasting.

  3. The scientific evidence supporting intermittent fasting is quite compelling and warrants further exploration.

    1. Agreed, it has the potential to be a valuable approach in weight management and health improvement.

  4. The understanding of timing in eating is certainly intriguing, but it’s important to approach intermittent fasting with the right information.

    1. Absolutely, knowledge and guidance are crucial for the successful implementation of intermittent fasting.

  5. Intermittent fasting seems to be a promising approach, but it’s not a one-size-fits-all solution.

    1. Avatar of Alexandra Murphy
      Alexandra Murphy

      Absolutely, individual differences play a significant role in the outcomes of intermittent fasting.

  6. Intermittent fasting has become an increasingly popular method because of its effectiveness, but it’s not for everyone.

  7. Intermittent fasting is a very effective method to lose weight but always helps to consult an expert before starting. It is also crucial to include regular exercise and hydration.

Leave a Comment

Your email address will not be published. Required fields are marked *