I’ve Stopped Losing Weight on the Dukan Diet: What Can I Do?

If you’ve stopped losing weight the first thing to do is not panic, going through phases where you stop losing weight is not unusual and there can be lots of reasons for the stagnation in your weight loss.

The second thing to do is stick to the diet.  You don’t want to throw away all the good that you’ve done so far and continue to do staying on the diet.

The third thing to do is to make sure that you are doing everything you should following the Dukan Diet.  A quick checklist is:

  • Are you drinking 1 and 1/2 to 2 liters of water every day?
  • Are doing your compulsory daily exercise?
  • Are you eating the right foods?
  • Are you eating enough food?
  • Are you eating regular meals and not skipping meals?
  • Are you eating your daily serving of Oat Bran?
  • Are you having more than two servings of tolerated foods per day?

The next thing to do is to try to establish a reason for your weight loss plateau

  • Are you suffering from water retention due to your monthly period?
  • Have you eaten a lot of salty food that may have caused water retention?
  • Have you recently lapsed on the diet eating or drinking something that is not allowed?
  • Are you eating enough calories, for a long term weight loss plan you need to be eating in the region of 1,200 calories a day any less than this and you could find that your body lowers your metabolic rate and reduces the rate at which you burn calories?
  • Are you constipated?
  • Is it due to the vegetables that you’ve added to your diet?  Remember that pure protein acts as a diuretic and your body may try to hold onto the water from the vegetables to compensate.

You then need to work out your plan to tackle the problem.  This might be to do nothing as you think the problem will probably sort itself out or it might be to take some additional oat bran to help your constipation.  But there are also some things that you can do to jolt your body back into weight loss mode if needed these are to

  • Increase your daily exercising to 60 minutes per day.
  • Reduce your tolerated items to one or none each day.
  • Reduce your consumption of dairy products as these are high in carbohydrates due to the naturally occurring sugars.
  • Ask your doctor to recommend a vegetable based diuretic.
  • Try a White Day PP day.
  • Add an extra PP day into your Cruise Phase rhythm.

If these steps do not kick start your weight loss again and your weight loss continues to stagnate you must go to see your doctor as it might be that your difficulty in losing weight is due to health problems such as a thyroid problem.

You may also be interested in reading this post –

Dukan Diet Tip: Dr Dukan’s Non Stop Green Tea Plateau Buster




161 Responses to “I’ve Stopped Losing Weight on the Dukan Diet: What Can I Do?”

1 2 3
  • Sarah on September 21, 2017

    I have gained 20lbs back after losing weight on the dukan diet several years ago. I read that you should take 5tblsp of oat bran in the new book he wrote. How many days should I take the 5tblsp for?

    • Amber on September 23, 2017

      Hi Sarah

      I haven’t read the new book so can’t comment. THe official sites haven’t been updated to change the quantities of oat bran eaten in each phases.

      If you were to have extra oat bran I would suggest using it as the basis of two meals say as porridge for breafast and as a galette for lunch.

      I would worry that too many people would just end up using the oat bran to make muffins and not teach themselves new eating habits.

      Best wishes


  • Rich on June 4, 2017

    Hi! I’m on day4 of attack phase. I lost 2 kgs in the first 3 days but no weight loss today when I weighed myself.. I got my period yesterday . Does that have anything to do with it? And I ate frozen salmon patties yesterday with 14% sodium – was that a mistake ? How much sodium is acceptable?

    • Amber on June 11, 2017

      Hi Rich

      Your period and the sodium in the patties might be causing some water retention. Try not too eat too many patties as they are quite high in oil too.

      Kind regards


      • Rich on June 12, 2017

        Thanks a ton Amber ! So I did lose weight after the second day of period. i m avoiding the patty from now . Thanks for your advise.

        • Amber on June 13, 2017



  • Samantha on April 4, 2017

    Hiya can anyone help its my birthday soon and I’m only 1.5 pound away from my target and I was wondering if I got my target next week would I be OK to have the day off and then do a ppm day and then pv day

    • Amber on April 8, 2017

      Hi Samantha

      Better to go for damage limitation and try to eat and sensibly as you can rather than a blowout. Have a great day.

      Best wishes


  • Sadie Murrell on January 21, 2016

    Hi Amber
    I started attack last Monday and finished on Sunday – I lost 6lb

    Started cruise Monday 1:1 and today I feel very bloated or im holding a lot of water… I have done at least 30-35 mins internal training everyday this week. Yet jumped on the scales today and I am floating around 1lb on and saying the same..

    Any advice?

    No cheats at all, stuck within all the food list and not had any tolerated items. Have been to the toilet frequently .

    Thanks Sadie

    • Amber on February 6, 2016

      Hi Sadie

      My guess would be that you are retaining water even if you are going to the toilet frequently. This could possibly be hormonal or food based. Do you lose weight after a PP day and gain it after a PV day? Also when there is a good weight loss in Attack it can take a while before the loss of water weight is replaced by fat loss.

      Stick with it.


  • julie on December 11, 2015

    Hi Amber I’m in cruise have stopped loosing weight just wondered could I do 3pp days and then go back to 1pp/pv day I’m doing enough excercise but weight seems to be staying the same tia

    • Amber on December 14, 2015

      Hi Julie

      It isn’t unusual to have short periods when you don’t lose weight. Don’t worry about it just hang in there. You don’t have to change anything.

      Kind regards


      • Robyn on January 19, 2016

        So far I am down 75lbs on the Dukan Diet! This is fantastic however I have been on a plateau for 3 months now. Yes, I drink all the water and more, excercise every day, eat the oat bran, no cheats, etc. I am stuck! Suggestions?

        • Amber on February 6, 2016

          Hi Robyn

          Well done on losing 75 pounds!

          It might be that you need to try to eat a little less. The calories you need to maintain your weight reduce as you lose weight so it is possible to get to a stage where eating the same foods and drinks that produced a very successful weight loss no longer do so.

          Best wishes


  • Lucy on October 6, 2015

    I have been doing the diet for two weeks, and I have not lost any weight. ¿Is this normal?? It´s very disappointing, since I have made big sacrifices.

    I did 4 days of attack and then started the Cruise fase.
    I do 30 minutes of cycling every morning, before going to work.

    Could it be that the diet does not work for everyone?

    I weight 62 kg and my ideal weight (according to the web site) is 58 kg. I should reach that weight by octiber 19th….

    But I have not even lost 1/2 kg…

    • Amber on October 19, 2015

      Hi Lucy

      Losing weight when you are close to your target weight is often quite slow and the Dukan doesn’t work for everyone. Also if you are muscular you may find getting to your target weight even more difficult as a pound of muscle is more dense than a pound of fat. This means that someone with the same body volume with high fat content will weigh less than muscular person with the same body volume.

      Best wishes


  • Tellesha on September 16, 2015

    Hi I started dukan diet on 8/23/15. I have only lost 5 lbs. So discouraged. I drink 3.87 l of water a day. I drink tea to go to bathroom. Idk what to do. I want to keep following but so discouraged

    • Amber on September 25, 2015

      Hi Tellesha

      You do seem to be drinking very high levels of fluids each day. Is there any reason why – eg do you live in a hot climate or have a very physical occupation?

      Kind regards


  • Hina on August 6, 2015

    Hi Amber,

    I started diet on 8th of may and lost 14 kg but since last 2 weeks I am not loosing any weight. My current weight is 61.5 kg now. I was doing 5-6 PP day and 1 PV day only. What could be the reason?


    • Amber on August 6, 2015

      Hi Hina

      You were not following the Dukan Diet correctly as there is no version which has 1 day PV and 5/6 days of PP.



  • Dawa on August 4, 2015

    Hi amber,
    I don’t loose much weight in cruise phase. So, I was thinking to do 2 PP and 1 PV. Do u recommend it? Is it healthy?

    • Amber on August 6, 2015

      Hi Dawa

      This is definitely not recommended as it isn’t healthy to follow such a nutritionally restrictive diet.

      Best wishes


  • Jennifer on July 28, 2015

    Hi Amber,

    I did attack phase 3 days lost 2 kgs. I am on cruise phase (1PP 1PV)since 1 week and didn’t loose any weight is it normal?
    I am not taking my oat bran as I couldn’t find it… is white oat ok to consume?
    Does it work to do a cycle of 3 PP days 1 free day and then other 3PP?


    • Amber on August 6, 2015

      Hi Jennifer

      White oats are not the same as oat bran and cannot be used as a replacement.

      The number of PP and PV days need to be the same, a day of eating sensibly would not balance out 3 days of PP.

      Kind regards


  • mazen zoghaib on June 27, 2015

    Hi Amber,

    I had lost around 40 kg on the dukan. Once i started with the consolidation phase i gaind 8 kg due to my travel. I get back to the cruise phase but i am not losing weight any more.
    Any advice?


    • Amber on June 28, 2015

      Hi Mazen

      It is often difficult to follow the Dukan with such vigour when it has been followed for sometime. I’d just trying the 7 Step Dukan Diet 2 as it will allow you a greater variety of food and hopefully give you more enthusiasm for cutting back on the food you are eating.

      Best wishes


  • Mely on June 13, 2015

    hi Amber, attack phase I lost 2kg (5days), now it’s the 8th day of Cruise phase and I haven’t lost weight, I’m sure I follow the rules well, what can be the problem?

    • Amber on June 16, 2015

      Hi Mely

      The post above your comment gives some examples of the reasons why weight loss can slow or stop. The 2 most common reasons are constipation and/or water retention.

      Best wishes


  • Marina on May 29, 2015

    Hi Amber! I’ve been on Dukan Diet since April 20. According to Dukan Website,I should be losing my extra 6-7 kilos by June 6. I’ve lost 3 kilos so far and my weight stopped…I don’t know what to do…Should I proceed to the next phase or keep dieting until I lose all extra weight. I did cheated once on my Birthday,last Sunday,had one cupcake.I made 2 PP days after that. I’m exercising almost everyday ,trying to drink 2 liters of water,sometimes its less. Is there any foods or drinks that can boost a weight lose?
    Thank you,

    • Amber on May 31, 2015

      Hi Marina

      The website can only give approximate dates as the flexibility of the diet means that people will follow the diet in different ways so don’t worry and just keep on with Cruise until you reach your target weight.

      Kind regards


  • Eli on May 27, 2015

    Hi Amber,

    Thanks for all support you’re giving people on this page.

    This is my second time doing Dukan. I started doing the Attack phase on the 19th of April and now I’m still in cruise phase. Weight loss rate is not bad but I have two concerns:

    1. I never did the two spoons of Oat Bran (not even once) mainly because it’s unavailable in stores where I live. I think someone might manage getting it for me but is it recommended to start adding it half way through the diet? (I’m scared of weight gain or stagnancy because I haven’t been taking it since I started).

    2. I’ll be on vacation for 10 days in July. I’m still going to be in Cruise phase when that comes but it looks like staying on the diet is going to be very difficult at that time. What is your suggestion as I really don’t want all the hardwork to go to waste.

    Thanks Amber.

    • Amber on May 31, 2015

      Hi Eli

      The oat bran is recommended but not a required element and as you’ve been doing OK without it there is no need to add it in now if you don’t want to. If you add the oat bran and eat exactly the same as you did before it will slow down your rate of weight loss as you are increasing your calorie intake, but if adding the oat bran is done in a way which replaces foods the impact of adding it should be less noticeable.

      For your holiday there are a couple of options – you could follow the holiday version the Dr Dukan put together a few years ago or you could perhaps try to stick as closely as you can to the 7 Steps as this gives a greater variety of food.

      Best wishes


  • Konstantinos Panou on May 27, 2015

    If you make a short break on cruise face how much can affect?if you return back you will still loosing wait.

    Thank you

    • Amber on May 31, 2015

      Hi Konstantinos

      It will depend on how long you break for and how much you eat and drink during the break. And yes your weight loss will start again when you resume the diet.

      Kind regards


  • April on April 15, 2015

    Hi Amber,

    Sorry, I have been reading the comments here and not too quite sure about what to do when we get to a stagnation period with our weight loss. I have been on the diet since Feb 1st and have lost around 21 lbs however the weight loss slowed down and now it has stopped for the last 10 days or so (and I still have 31 lbs to lose!) So should I not do the attack phase for 2-3 days to kick start the weight loss again? I vaguely remember reading something like Dr. Dukan advising this to his patients?


    • Amber on April 19, 2015

      Hi April

      I don’t recommend repeating the Attack Phase as too many people think it is the cure for everything and it is a very restrictive way of eating. Just be strict with yourself on Cruise and you should be fine and you will still be getting the extra nutrients that the vegetables provide.

      Best wishes


      • April on April 21, 2015

        Hi Amber,

        Thanks very much for the advice. Will do so. One more thing which has been reaaallllyy bugging my mind: I will be going on vacation for three weeks on June 25, and there is no way I can stick to the diet while I am there as I will be going back to my home country, and I do it only once a year – and I miss the food so much! Plus, I will be out and about all the time which will make things harder for me. I have been on the diet since Feb 1st, and if everything goes as planned, I will probably have 4-5 kgs more to lose just when I am going. I have never ever cheated, and been very good. But, I will have to give a break when I am close to my goal. So, what do you think I should do when I get back after three weeks? Should I then start the diet from the beginning, as I am doing it for the first time? Like, an attack phase for like 5 days or so and then the cruise? Or should I just start the cruise phase again after 1 day of pp? Would that really work? This is very important for me, so I am looking forward to your reply!

        Best regards,

        • Amber on April 23, 2015

          Hi April

          Enjoy your holiday but try not to have a total blowout. If you have a heavy day try to cut back the next.

          When you get back just start Cruise again with a PP day. Everything will be fine.

          Best wishes


  • Lauren pipkin on April 15, 2015

    Hi Amber many thanks for your response. I am still gaining one day stabilising or losing a little the next. Still only just 3 kg in total, but I will persevere.

  • Laureen Pipkin on April 10, 2015

    I previously lost 16.5 kg on the Dukan and have gained 6 of it back after 3 years. This time I am finding it a lot more difficult. I lost 2 kg on the Attack phase (10 days) and have been on the Cruise phase for 5 days with no weight loss. I am also taking a 10mg statin. Could this be interfering with the diet?
    Many thanks Amber.
    Your comments and suggestions are very welcome!

    • Amber on April 10, 2015

      Hi Laureen

      Weight gain is a possible side effect of taking statins but it isn’t that common.

      It is usually more difficult when you repeat the diet as you have less weight to lose and have probably altered your eating habits. It is really important for you to stick with it.

      Best wishes


1 2 3

Leave a Reply

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

Comment moderation is enabled. Your comment may take some time to appear.