
The Dukan diet is a low-carb, high-protein weight-loss program that consists of four phases: two for losing weight and two for maintaining. The first phase involves eating lean protein for one to seven days, depending on weight loss goals, along with 1.5 tablespoons of oat bran and 6 to 8 cups of water per day. In the second phase, non-starchy vegetables are added, and participants alternate between pure protein and protein-plus-vegetable days. The third phase involves transitioning to a more liberal diet, while the fourth phase focuses on weight management. The diet was created by French doctor Pierre Dukan in the 1970s and has been promoted as a weight loss strategy for decades. Celebrities like Kate Middleton and Jennifer Lopez have reportedly used it to lose weight. While the Dukan diet has some similarities to the ketogenic diet, such as being low-carb, there are also key differences. Unlike the Dukan diet, the keto diet does not work in phases and focuses on a high-fat, moderate protein, and low-carb intake.
| Characteristics | Values |
|---|---|
| Number of phases | 4 |
| Phase 1 | Attack: lean protein, 1.5 tbsp oat bran, 6-8 cups water |
| (1-7 days) | |
| Phase 2 | Cruise: non-starchy veggies, 2 tbsp oat bran |
| weight loss | |
| Phase 3 | Consolidation: transition to liberal diet, 1 day/week protein |
| weight maintenance | |
| Phase 4 | Stabilization: exercise, lifestyle fitness |
| Exercise | Yes, daily, varies by phase |
| Carbohydrates | Low |
| Protein | High |
| Fat | Very low |
| Weight Loss | Up to 4-6 lbs in first week, 2 lbs/week after |
| Health Risks | May increase risk of chronic kidney disease, worsen cardiovascular health |
| Sustainability | Questionable, may lead to nutrient deficiencies |
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What You'll Learn

The Dukan diet is a low-carb, high-protein weight-loss program
The first phase, Attack, involves eating only lean protein for one to seven days, depending on the individual's weight loss goals. During this phase, it is recommended to consume unlimited amounts of lean animal protein and 1.5 tablespoons of oat bran per day, along with 6 to 8 cups of water. The second phase, Cruise, introduces non-starchy vegetables to the diet. Participants are encouraged to alternate between pure protein days and protein-plus-veggie days until they reach their target weight. This phase also includes 2 tablespoons of oat bran per day.
The third phase, Consolidation, focuses on transitioning to a more liberal diet while still maintaining one full day per week of eating only protein-rich foods. Finally, the Stabilization phase is about maintaining weight and includes a more flexible diet, with no specific food restrictions. It is recommended to continue with some lifestyle fitness habits, such as taking the stairs instead of the elevator.
The Dukan diet has been criticised by some health professionals who claim that it may increase the risk of chronic kidney disease and worsen cardiovascular health. It is always recommended to consult with a healthcare professional before starting any new diet, especially if you have any underlying health conditions.
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The diet is split into four phases, each with specific rules
The Dukan diet is a low-carb, high-protein weight-loss program. It was created in the 1970s by former French physician, Dr. Pierre Dukan, and has been promoted since then. The diet is split into four phases, each with specific rules. The first phase, the Attack phase, involves eating lean protein for one to seven days, depending on weight loss goals, along with 1.5 tablespoons of oat bran and 6 to 8 cups of water per day. The second phase, the Cruise phase, adds non-starchy vegetables to the diet, with participants alternating between pure protein and protein-vegetable days until they reach their target weight. This phase also includes two tablespoons of oat bran per day. The third phase, Consolidation, focuses on transitioning to a more liberal diet, with one full day per week of only protein-rich foods. Finally, the Stabilization phase is about weight management and includes two days per week of protein-only meals.
Each phase of the Dukan diet has specific exercise recommendations as well. In the Attack phase, individuals are advised to start an exercise routine of 20 minutes of brisk walking each day. The Cruise phase recommends 30 minutes of brisk walking per day, while the Consolidation phase suggests 25 minutes of brisk walking. In the Stabilization phase, 20 minutes of brisk walking per day is recommended, along with lifestyle fitness habits like taking the stairs instead of the elevator.
The Dukan diet is designed to help individuals lose weight quickly without feeling hungry. It provides specific lists of foods that are allowed in each phase, with a focus on lean proteins and fat-free dairy, which are said to boost satiety. The diet also includes a \"True Weight\" calculator, which considers weight history, sex, age, bone structure, and other factors to determine a realistic weight-loss goal.
Unlike the keto diet, which is sustained until the individual reaches their goal weight, the Dukan diet progresses through distinct phases. While both diets are low-carb, the Dukan diet is very low in fat, as Dr. Dukan believed that fat content in foods is "the overweight person's most deadly enemy." However, this view is not supported by research, which shows that a balanced diet including healthy fats is integral to weight loss and overall health.
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The diet is similar to the Atkins diet but differs from keto
The Dukan diet is a low-carb, high-protein weight loss plan, similar to the Atkins diet. Both diets are divided into four phases and are known to be highly restrictive and difficult to stick to. However, the Dukan diet differs from the Atkins diet in several ways.
The Dukan diet consists of two phases for losing weight and two phases for maintaining weight. The first phase, called the "attack" phase, involves eating only lean protein for one to seven days, depending on the individual's weight loss goals. This is followed by the "cruise" phase, where non-starchy vegetables are introduced, and participants alternate between pure protein and protein-plus-vegetable days. The third phase, or "consolidation" phase, focuses on transitioning to a more liberal diet, with one full day per week dedicated to protein-rich foods. The final phase, or "stabilization" phase, involves maintaining the habits developed in the previous phases.
On the other hand, the Atkins diet follows a different approach. It is a low-carb, moderate protein, and high-fat diet. It is divided into four phases based on daily net carb allowances. The first phase, or "induction" phase, restricts net carbs to 20-25 grams per day, which may lead to ketosis. In the second phase, the carbohydrate intake increases to 25-50 grams per day, which may still be low enough for ketosis. The third phase allows for a further increase in carbohydrates, with the goal of finding the right balance to maintain weight loss. The final phase focuses on continuing the habits developed in the previous phase.
One of the main differences between the Dukan and Atkins diets is their approach to carbohydrates. While the Dukan diet restricts carbohydrates throughout all four phases, the Atkins diet involves gradually increasing carbohydrate intake. This means that the Atkins diet may be more sustainable in the long run as it is less restrictive and does not require maintaining ketosis. Additionally, the Atkins diet allows for a wider variety of foods, including more fruits, vegetables, and grains.
Another difference between the two diets is their protein intake recommendations. The Dukan diet includes unlimited amounts of lean protein, especially during the initial phases. In contrast, the Atkins diet allows for up to 30% of calories from protein, depending on the phase.
In summary, while both the Dukan and Atkins diets are low-carb and high-protein plans, they differ in their phase structures, carbohydrate restrictions, and protein recommendations. It is important to consult a healthcare professional before starting any restrictive diet to ensure it is safe and suitable for your individual needs.
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The keto diet is also low-carb but is high in fat and protein
The Dukan diet is a low-carb, high-protein weight-loss program. It was created by French doctor Pierre Dukan in the 1970s and has been promoted since then. The diet consists of four phases, two for losing weight and two for maintaining it. The first phase involves eating only lean protein for one to seven days, depending on weight loss needs, along with 1.5 tablespoons of oat bran and 6 to 8 cups of water. The second phase adds non-starchy vegetables, and participants alternate between pure protein and protein-plus-vegetable days. The third phase transitions to a more liberal diet, while the fourth phase focuses on weight management. Exercise is also an important part of the Dukan diet, with the amount depending on the phase.
The keto diet, on the other hand, is also low-carb but is high in fat and protein. Up to 75% of daily calories come from fat, 5 to 10% from carbs, and the rest from protein. Unlike the Dukan diet, keto does not work in phases. Instead, the eating ratios are sustained until the goal weight is reached. This means missing out on certain food groups, including legumes, root vegetables, most fruits, and starchy vegetables. While the keto diet can lead to rapid initial weight loss, this is mostly water weight, as carbs are stored with water.
The Dukan diet has been criticised as a fad diet and there are concerns about its health effects, including an increased risk of chronic kidney disease and worsened cardiovascular health. The keto diet, however, has been associated with improved health stats, especially for people with diabetes, epilepsy, autoimmune disorders, acid reflux, inflammation, and hormonal imbalances.
Both diets are low-carb, high-protein plans that can lead to weight loss. However, the Dukan diet is very low in fat, whereas the keto diet is high in fat. The Dukan diet is also more restrictive, with specific phases and food lists, while the keto diet focuses on sustaining the same eating ratios until the goal weight is reached. The keto diet may offer more variety and flexibility in food choices, but it still involves significant restrictions and can be challenging to maintain.
In terms of sustainability, the Dukan diet's restrictive nature may lead to nutrient deficiencies and a potential boomerang effect, causing weight gain in the long run. The keto diet, while not having a maintenance plan, may be more sustainable by allowing a wider range of food choices and not strictly limiting portion sizes or specific foods within the low-carb, high-fat, high-protein guidelines. Ultimately, the best diet is one that works for the individual, taking into account their specific needs, preferences, and health considerations. Consulting with a healthcare professional before starting any new diet plan is always recommended.
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The Dukan diet has been criticised for being unhealthy
The diet has been criticised for being unsustainable and leading to nutrient deficiencies due to the restriction of many healthy foods. It may also be difficult to follow long-term due to its strict rules and the need to prepare meals from scratch. Health experts warn that the diet is not nutritionally balanced and may increase the risk of long-term health problems. Research has linked the diet to possible health complications, including kidney disease and liver disease, and it may not provide the full range of nutrients the body needs.
The Dukan diet also eliminates fats, which some argue is counterproductive as the body needs fuel to function. While the diet may result in rapid weight loss, this is initially due to the loss of water weight, not fat. In addition, the weight loss may be a result of the daily exercise the diet requires rather than the diet itself.
The Dukan diet has been compared to the keto diet, which is also a low-carb, high-protein eating plan. However, keto does not work in phases and allows for a higher fat intake. Some people on the Dukan diet have switched to keto due to concerns about its health effects and the potential for nutrient deficiencies.
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Frequently asked questions
The Dukan diet is a low-carb, high-protein weight-loss program that is split into four phases: Attack, Cruise, Consolidation, and Stabilization.
The Ketogenic diet is a low-carb, high-fat, moderate-protein diet.
No, the Dukan and Ketogenic diets are not the same. While they are both low-carb diets, the Dukan diet is high in protein and low in fat, whereas the Ketogenic diet is high in fat and moderate in protein.
The Dukan diet is claimed to help individuals lose weight quickly without feeling hungry. It also includes an exercise routine, which varies depending on the phase of the diet.
The Dukan diet has been criticized by health professionals for potentially increasing the risk of chronic kidney disease and worsening cardiovascular health. It has also been described as a fad diet and may lead to nutrient deficiencies due to its restrictive nature.











































