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




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

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  • samar on January 18, 2015

    Hi amber please help me i have finished the attack phase but i ve cheated and ate other food with butter and chocolate.. So what shall?i do whether i cpntinue the cruise or go back to the attack phase and re start it ? Thank u waiting for your reply

    • Amber on January 21, 2015

      Hi Samar

      On the occasions when you are tempted and eat something that you shouldn’t you just continue with the diet as if nothing had happened. You definitely don’t restart the diet as the Attack Phase is too restrictive to be repeated.

      Kind regards


  • Sarah on December 19, 2014

    Hi Amber,

    I started the dukan diet yesterday. I didn’t lose anything.
    Breakfast: egg whites and scrambled eggs
    Lunch: meat patty
    Dinner: sautéed chicken breast
    I’m still 166. I couldn’t get oat bran. Should I still do the attack phase? Please help me?

    • Amber on December 19, 2014

      Hi Sarah

      You are doing everything right it is just a case of having patience and waiting for the diet to work. Make sure you weight yourself at the same time each day – preferably first thing in the morning after having been to the bathroom. Try to find the oat bran as it will give you much more variety in the foods that you can eat.


  • Naomi on October 26, 2014

    Hi Amber,

    I went on Dukan a few years ago and the weight fell off me, I loved it! Did not exercise :(

    Now I am starting over, as unfortunately I did gain weight & I am heavier than last time. I need to lose 14 lbs. I am walking daily.

    I am on Day 4 of the Attack Phase and have not lost anything. I understand it may be harder the second time around..is there anything I can do?


    • Amber on October 28, 2014

      Hi Naomi

      Many people do find it much harder the second time around and this is often because you’ve been eating in a different way before starting the diet, but if you follow the diet correctly you should lose weight though it might take you a little longer than before.

      The important thing is to be patient and stick to the diet.

      Best wishes


  • Tia on September 17, 2014

    Hi Mimi,

    I started the Attack and lost 2.5 kgs and on the third day into the Cruise Phase I’ve nearly gained it all back? I have not cheated, walking 30 plus 1 hour cardio work out and no it is not my time of the month, just had it… It’s very perplexing, I don’t get it. I did this diet a few years ago, before surgery and it worked amazingly and now decided to do it for myself, not for my knee.

    Any ideas why this is happening? I can see maybe it does happen but it’s not what I expected with Dukan.

    Thank you,

    Tia :)

    • Amber on September 28, 2014

      Hi Tia

      Problems with weight gain in Cruise is usually caused by water retention. Vegetables encourage the retention of water while protein has the opposite effect. It is important not to over do the amount of vegetables eaten on PV days so this is why the paid coaching version gives a guide of having a ratio 2/3 protein to 1/3 vegetables.

      Best wishes


  • paige on September 16, 2014

    hello amber- is there any literature that states that one should not begin the dukan diet around ones menstruation cycle? i started the attack 4 days ago (with one cheat on day 4, sorry) and have not lost a single pound. today, day 5, my period arrived. could this be the culprit & if so, how does one proceed from here? do i stay on the attack or should i go off diet for now and start over next week? my target weight loss is 10-15 pounds… i am not on any time rush, but wondering if “starting over” will be effective next week? thanks for any insight!

    • Amber on September 28, 2014

      Hi Paige

      You can start the Dukan whenever you want but hormones can have an influence on your weight as they can cause temporary water retention. You just need to adjust your expectations of your weight loss around this time as the retained water will hide fat loss. It is not a good idea to restart the Dukan after such a short period of time as the Attack Phase is too restrictive.

      Kind regards


  • Nicole Ingvall on September 16, 2014

    Hi, I have been on attack phase for 9 days, but have not lost any weight. I am doing the diet with my fiancé and we are following the book exactly – he has lost about 5kgs. After 6 days I did get my period, but before I got it I hadn’t lost any weight either… it has now stopped and I have not seen a decrease on the scales. I am pushing myself to do 10 days of attack because I am worried that when I get to the cruise phase I will not loose (and maybe put weight on)? I am stuck at what to do and getting very de-motivated. Please help.

    • Amber on September 28, 2014

      Hi Nicole

      There are many possible reasons why you are not losing weight. The success of the Attack phase is greatest for those who have not been dieting and who have a lot of weight to lose. A 10 day Attack Phase is only followed when recommended by your doctor and when you need to lose over 40 pounds. For the majority of people they will get the greatest impact from following the Attack Phase for around 5 days. Adding extra days can be counter productive as it can slow your metabolism as your body tries to conserve body fat.

      Kind regards


  • yara on August 22, 2014

    Hi Amber,

    i sticked to the Dukan diet for 2 months and half and I’ve lost 8 KG, however, i gained some weight since i stopped my diet.
    Now i’m redoing it again but am not getting any results at all.. i am so frustrated that i started to think i will never lose weight anymore.. could the dukan diet stopped working for me ??

    • Amber on August 24, 2014

      Hi Yara

      It sounds as it you didn’t follow the diet through all of the stages as you never stop following the Dukan as Stabilisation is a phase that is followed for life. You just need to be patient and follow the diet as intended and everything will work out.

      Kind regards


  • Gracie on May 10, 2014

    Hi Amber,

    I started the dukan two weeks ago. I did the attack for 6 days and I lost around 0.5 kg. I was disappointed with this as I expected to lose quite a lot more. Since then having been on the cruise for 8 days, I have lost nothing. I am really confused, completely de motivated and upset. I have been having daily oat bran so I don’t think its constipation. Perhaps its the salt I add to my food but that can’t be the reason for an 8 day stagnation can it? I also pretty much only eat white protein or at a push tuna but thats it. I’m doing 20 minute walk a day. I have added in an extra PP day, but nothings shifting. I am pretty sure I am eating over 1200 calories a day. I can’t think what it is. so tempted to give up.

    Thanks, Grace

    • Amber on May 11, 2014

      Hi Gracie

      If you are following the diet correctly to lose just .5 kg after 2 weeks is not what would be expected. If you are not constipated or suffering from water retention I would suggest seeing your doctor for a check up just to make sure that there is no underlying medical condition preventing you losing weight and based on your results I would recommend trying a different weight loss program as the Dukan method does not appear to work for you.

      Kind regards


  • Mimi on May 1, 2014

    Hi Amber,
    Your website is amazing, thank you for your support!
    I started this diet 7 days ago, I start the cruise phase tomorrow.
    Within the first 3 days I lost 7.1lbs, my starting weight was 185lbs, I got down to 178lbs, now on the 7th day I’m back up to 182lbs! This is extremely frustrating as I have been following this diet correctly! I also do 45min of intense exercise every other day.
    Any suggestions, I’m willing to stick this out but need to make some changes I think. Thanks!

    • Amber on May 1, 2014

      Hi Mimi

      A 4 pound gain in one day is likely to be due to water retention with perhaps a little constipation as well so try to stay strong and stick with the Dukan and this blip should sort itself out.

      Bet wishes


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