17 Day Diet

based on 3 reviews

Goal: to lose 6 kg in 17 days or more

Be aware: this is only the goal of this diet, not necessarily its outcome. Results vary from person to person. Consult your doctor or dietician before starting this (or any other) diet.

The 17 Day Diet

The 17 Day Diet was created by Dr. Mike Moreno. It is a low-carbohydrate diet and consists of phases of each 17 days. Every new phase you change your diet and the number of calories you eat.

On the homepage you can compare this diet with other diets.

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Phase 1: 'Accelerate’

During the first 17 days of this diet you eat no carbohydrates at all. So no pasta, rice, potatoes or other products with carbohydrates. This, according to the inventors, makes you burn fat. 

You also eat fewer calories: you reduce your intake to about 1200 calories per day. This is quite low (see counting calories). Because of this low number of calories, the diet can be seen as a crash diet.

Besides less carbohydrates you also eat less fat, sugar and salt and more proteins, vegetables and fruits. 

When you have already reached your target weight during phase 1 you can stop. Otherwise you can continue to phase 2.

Phase 2: 'Improve’

During the second 17 days of the diet you alternate between acceleration days and improvement days. On acceleration days you eat the same as in phase 1. On improvement days you are allowed to eat a number of products (e.g. potatoes) that you were not allowed to eat before.

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Phase 3: 'Change’

In the third 17 days of the diet you aim to get used to a new eating pattern, reintroducing more products into your diet (e.g. pasta) . Besides, you will continue to eat lots of proteins, fruits and vegetables.

Phase 4: 'Persevere’

This phase of the 17 day diet is supposed to lasts for the rest of your life and is focussed on maintaining your weight. During the week you eat like in the first three phases and in the weekend you can eat whatever you want. 

Exercise

With the 17 day diet intensive training for at least 17 minutes a day (for 6 days a week) is advised.

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Books on this diet

The book 'The 17 Day Diet' can be read to gain more information on the 17 day diet. There is also a cookbook available.

Be aware

Consult your doctor or dietician before starting this (or any) diet.

Similar diets

Other diets that are limited to about 1200 calories are the Dr. Nowzaradan diet and the 1200 calorie diet. Other crash diets include the Hospital diet and the 3-Day Diet Plan.

This page has been checked, and warnings have been added by, Jolande, dietician. Read more here.

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Allowed

  • Meat
  • Fish
  • Eggs
  • Green tea

Not allowed

  • Pasta (phase 1)
  • Bread (phase 1)
  • Potatoes (phase 1)
  • Rice (phase 1)
  • Carbohydrates (less)

Goals

  • Lose weight
  • Crash diet
  • Less sugar
  • Less carbohydrates
  • Less fat
  • Less salt

Exercise

At least 17 minutes of intensive training per day (6 days per week).

Reviews (3)
Iva Oei, Dietician practice HRC
Dietician

Eating fewer carbs can be quite a good idea, especially if you are currently eating too many carbs. In fact, if you eat too many carbohydrates, chances are you are also consuming too many calories and finding it difficult to regulate your hunger pangs. 17 days is then a nice short time to think about how many carbohydrates you actually eat. Because it is so short, it also doesn't feel like an endless hassle. This is why I think this diet is extremely suitable for people who are predominantly healthy, want to lose a little weight and are looking for a confrontation with their own carbohydrate intake. Indeed, what you see in the other responses is that a 17-day tap also makes for different food choices in the longer term. If there is hypertension, high cholesterol you need to pay extra attention to the lower intake of fat and salt, which is definitely at the forefront for you then. If you have kidney disease, I would advise against this diet. This, because the diet can lead to a higher intake of protein and this can stress the kidneys. If you have diabetes while injecting insulin, this diet is not recommended because of its short duration and thereby unstable carbohydrate intake.

Lot

Very nice diet! The first three days I did feel a bit hungry in the afternoon. The cookbook and workbook are very nice to get inspiration and tools to keep eating a varied diet. After 17 days of moderate strictness (read: phase 1 during the week and phase 2 at the weekend with 3x an hour of intensive exercise per week) I lost 3.5 kg. Then I continued in the same way and after 1.5 months I lost over 6 kg! A real life-changer for me. I feel a lot fitter, less tired, less stomach ache, less headache. I will continue with less carbs!

Derek

The diet works fine in my opinion. I lost a total of 4kg in 17 days. In the beginning, eating low-carb is difficult and it takes some discipline not to have a sandwich anyway. After a week, your body starts to get used to it. The diet has made me think better about food. I currently continue to eat low-carb with the occasional pizza or pasta. However, this does not make me gain weight again.

17 Day Diet Eating fewer carbs can be quite a good idea, especially if you are currently eating too many carbs. In fact, if you eat too many carbohydrates, chances are you are also consuming too many calories and finding it difficult to regulate your hunger pangs. 17 days is then a nice short time to think about how many carbohydrates you actually eat. Because it is so short, it also doesn't feel like an endless hassle. This is why I think this diet is extremely suitable for people who are predominantly healthy, want to lose a little weight and are looking for a confrontation with their own carbohydrate intake. Indeed, what you see in the other responses is that a 17-day tap also makes for different food choices in the longer term. If there is hypertension, high cholesterol you need to pay extra attention to the lower intake of fat and salt, which is definitely at the forefront for you then. If you have kidney disease, I would advise against this diet. This, because the diet can lead to a higher intake of protein and this can stress the kidneys. If you have diabetes while injecting insulin, this diet is not recommended because of its short duration and thereby unstable carbohydrate intake. 4 out of 5
17 Day Diet The diet works fine in my opinion. I lost a total of 4kg in 17 days. In the beginning, eating low-carb is difficult and it takes some discipline not to have a sandwich anyway. After a week, your body starts to get used to it. The diet has made me think better about food. I currently continue to eat low-carb with the occasional pizza or pasta. However, this does not make me gain weight again. 4 out of 5
17 Day Diet Very nice diet! The first three days I did feel a bit hungry in the afternoon. The cookbook and workbook are very nice to get inspiration and tools to keep eating a varied diet. After 17 days of moderate strictness (read: phase 1 during the week and phase 2 at the weekend with 3x an hour of intensive exercise per week) I lost 3.5 kg. Then I continued in the same way and after 1.5 months I lost over 6 kg! A real life-changer for me. I feel a lot fitter, less tired, less stomach ache, less headache. I will continue with less carbs! 4 out of 5
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Dietitians

With the professional help of a dietitian it should be easier to reach your goals. Please contact a dietician in your area or talk to a doctor before starting any diet.

General warnings

Please take note that most diets do not have a scientific basis.

Consult your doctor or dietician before starting a diet, especially if you have a chronic condition like diabetes, cardiovascular disease, lung disease or kidney disease.

Eating disorders

If you think you might have an eating disorder (like anorexia or bulimia), it is important to look for professional help. Contact your (house) doctor or find help elsewhere. Here you can find a list of several websites that can provide (online) help. These sites also provide information for people that know someone with an eating disorder.