Is the intermittent fasting diet effective?

the intermittent fasting diet

It has been a long time old formula for the weight loss of intermittent fasting, also called – erroneously – intermittent breakfast, so let’s analyze and explain what this fast is.

If you want a quick response and do not read all this text because we are direct: it does not work better than any other diet, also only in a few specific cases will be really effective. We will talk about the reasons for whether intermittent fasting is effective below.


What is intermittent fasting? 18/6

The base is really simple and has no mystery. To apply the intermittent fasting diet all you have to do is divide the day into 6-hour stripes, which gives us 4 stripes/segments: 6 hours x 4 stripes x 24 hours, which has a day.

Well, to follow the intermittent fast we can only eat in 1 of those 4 stripes. We will only eat for 6 hours a day.

Does it look like a lot? It really isn’t. Skipping breakfast and advancing dinner time is enough to fulfill this diet. For example we can start lunch at 15:00 and by 21:00 we had to finish dinner. The next day, logically, it’s our turn to skip breakfast.

It can be done a little less strictly: 17/7, so we can start lunch at 14:30 and dinner is over at 21:30. Fasting at breakfast after.

Are you hungry with intermittent diet?

If you are a person used to eating 5 times a day, with your breakfast, your lunch in the middle of the morning, your lunch, your snack and after dinner, you will go a lot of hunger and here is the key to start failing with this diet.

Being so hungry, you literally go to sweep lunch and dinner and what it ends up causing is you to get fat. There are already several cases that we know that, due to going from 5 meals a day to 2, these people overeating when their allowed time slot arrives.

You’ll think, “Logical, if we eat a lot, we’re not going to lose weight, it’s normal.” The problem is that eating a lot or little in these stripes is indifferent so that – in theory – this diet serves to lose weight, since those who promote this fast speak of the metabolic change that we will have when the body gets used to receiving energy only during those time slots. Quote:

… It generates a metabolic change that affects from glucose to ketone-based energy, with an increase in stress resistance, longevity and a decrease in the incidence of diseases.

So, at the end of the day, it doesn’t matter what you eat, you’re supposed to lose weight by getting used to your body just getting food in a few hours of the day, having your metabolism change, and making this change beneficial for weight loss.

We will read on other blogs and websites of this style a list of foods to fulfill this fast. These diets are personal recommendations of the site in question. The official and basic thing about this diet is the change in metabolism by reducing the time of calorie intakes, not the amount.

you go a lot of hunger with the intermittent fasting diet
You go a lot of hunger with intermittent fasting

Slimming fasting

So are we going to lose weight fasting? Yes, if we eat in moderation. But not for the previous reason for the metabolic change. How do we know? From personal experiences.

You too, dear reader, may meet more than one person who, for work reasons, schedules, etc., skip breakfast every day. Many people are following the intermittent fasting diet unknowingly, and if we ask these people what do we find?

For in times that have eaten more they have gained weight and in times that have eaten less have lost weight. Their metabolism has been used to eating food for years only in the afternoon and evening, they have been skipping breakfast for a long time and barely drink a glass of black coffee (without milk, what comes to be water and coffee) and we see that the result has not been positive. It has not influenced that your metabolism is accustomed to that calorie intake range and at the time of reality they lose or fatten according to the amount they eat and the exercise performed.

They even tell me that on vacation, out of the stress of work and being able to stop for breakfast quietly, they get them to hardly be hungry at lunchtime and eat almost half of what they used to.

Intermittent fasting problems – Cons:

Remember the previous article about negative calories? You can read it here. In it we talk about the amount of energy that we spend doing digestion, and that there are certain foods that spend more calories when digesting them than they give us.

With the 18 hours of fasting we are causing our body not to be spending calories doing digestion. If so many diets recommend eating 5 times a day are, among others, for these two reasons:

  • We eat less food each time
  • We have our bodies constantly digesting and consuming calories.

With this “intermittent breakfast” we get the opposite: have an atrocious hunger and destroy the fridge during the hours allowed and have our digestive system stopped almost all day.

A variant of intermittent fasting: Diet 5-2

This is another way of making the diet intermittent which, although they share name (it is a variant) is less popular.

The way to do it is easy: of the 7 days you have the week, we choose 2 consecutive days where we will only consume 500 calories a day.

For example, if we choose Tuesdays and Wednesdays, we can eat regularly, as we are doing until now, from Thursday until the next Monday (5 consecutive days) and then, Tuesday and Wednesday only eat 500 kcal daily. We’re starting again on Thursday.

The variant of intermittent fasting is based on the same idea of changing breakfast, however here we have certain advantages:

  • It’s easier to mentalize yourself to have to make the sacrifice two days a week than to a daily sacrifice pending the clock
  • Our body will continue to spend calories thanks to digestion
  • We won’t arrive with extreme hunger at lunchtime. At most on Thursday morning we will be eager to catch breakfast, but nothing else will cause us to eat more than the bill.


If you want to follow the intermittent diet we recommend performing the second variant of intermittent fasting. If, on the contrary, you dare to do it the classic way, you have to become very mental to cut off the excess food at lunches and dinners. As we’ve already seen in other people, overeating at those two meals and skipping breakfast is absolutely useless. If you’re able to reduce food, you’ll lose weight, but just like any other diet.

This article has been automatically translated into English thanks to Google Translations

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