Cruise Phase
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Once you finished the Attack Phase the next goal is to achieve your target weight. This is done while on the Cruise Phase – an alternating rhythm of pure protein days and vegetable & protein days.

A healthy weight loss is about two pounds per week. It can seem slow after a successful attack phase, however this speed is better for long term results – for example your skin has time to shrink not leaving empty flabs behind.

Cruise Phase Rhythms

  • 5PP + 5PV
    The original rhythm alternating every five days. However as five days is a long time it is considered to be tougher to follow and requires higher motivation.
  • 1PP + 1PV
    Dr. Dukan now prefers the one day rhythm, as it often has similar effects to the 5/5 one, while it is easier on the dieter.
  • 2PP + 5PV
    This rhythm is better for people who are older, and/or weaker and don’t have many pounds to lose. The weight loss will be slower using this method though than the other two above.

Vegetable and Protein days

Allowed vegetables include:

  • Artichoke
  • Asparagus
  • Aubergine
  • Broccoli
  • Cabbage, Cauliflower, Brussel sprouts
  • Celery
  • Chicory
  • Courgette
  • Cucumber
  • Fennel
  • French beans
  • Leeks
  • Mushrooms
  • Onion
  • Peppers
  • Pumpkin
  • Radish
  • Salad leaves
  • Sorrel
  • Soya beans
  • Spinach
  • Swede
  • Swiss chard
  • Tomatoes
  • Turnip

Allowed in moderation are carrots and beetroot.

Cruise Phase Diet Rules

You can now increase the oat bran intake to 2 tablespoons per day.

Another suggested change is increasing from 20 minutes of exercise to 30 minutes of brisk walking per day.

Just because you are allowed vegetables do not eliminate protein produce from a PV day. After all it is called Protein & Vegetables not Pure Vegetables for a reason.

Lastly if you want to get some ideas about what meals you can create checkout this example menu for a week on the cruise phase.


Stickers from $4.95

Tracking PP & PV days during the Cruise phase can sometimes be a hassle. You can now use these stickers in your calendar or journal to mark your progress and plan ahead!

Diet Phases

Attack Phase

An initial attack phase led by the "pure protein diet" that creates a stunning kick-start, almost as quickly as fasting or powdered protein diets but without their drawbacks.


A consolidation phase when the weight you have achieved is consolidated, a phase designed to prevent the rebound effect that occurs after any rapid weight-loss.


Permanent stabilization based on a simple, easy to follow but indispensable if the weight loss is to be maintained: the Dukan Diet has to be followed one day per week for the rest of your life.


Dr. Dukan's Books


Delicious Dieting Guides

Delicious Dieting Books


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