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Kate Middleton’s Dukan Diet: What's this high protein weight loss diet that even Princess of Wales reportedly swears by?

Published on: Jul 30, 2025, 11:01:46 IST
Kate Middleton, the Princess of Wales, is known to follow a strict diet to stay in shape and be healthy. (File Photo/AP and Freepik)
Kate Middleton, the Princess of Wales, is known to follow a strict diet to stay in shape and be healthy. (File Photo/AP and Freepik)
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Kate Middleton's ability to maintain her weight is attributed to her diet. The Dukan Diet is designed for rapid weight loss. But what exactly is it? Find out.

The Dukan diet is a high-protein, low-carb weight loss plan that Kate Middleton, aka Catherine, Princess of Wales, reportedly followed to shed extra kilos before her wedding to Prince William (Prince of Wales) in 2011, and even after her pregnancies. According to the Dukan Diet website, the diet was created in the 1970s by the French general practitioner Dr Pierre Dukan. While on the diet, you are only allowed to eat the 100 specified 'natural foods'. Also read | Cardiologist shares 'jadoo diet for weight loss', assures you'll shed at least 7 kg in 1 month without starving yourself

In a July 10, 2019 report, South China Morning Post provided a breakdown of the diet, and said, “Sources claim Kate Middleton went on the Dukan Diet before the royal wedding with Prince William and after her pregnancy to shed excess weight. With numerous diet regimens to choose from, what makes this European diet so appealing?”

Some experts have raised concerns about the diet's safety, due to its restrictive nature. Therefore, it's essential to consult with a healthcare professional before starting this or any new diet. That said, ahead is everything you should know about the Dukan Diet.

What are the 4 phases of the Dukan Diet?

The diet consists of four phases, each with specific guidelines and restrictions. Consuming oat bran is a crucial part of the diet, with varying amounts required in each phase. “The Dukan Diet will redesign your eating habits and help you permanently stabilise your weight,” as per the Dukan Diet website, which lists the following four phases of the diet:

2. Cruise Phase: In this phase, you'll introduce vegetables to your diet, along with protein-rich foods. This phase can last several weeks. Recommended daily activities include 30 minutes of brisk walking and taking 2 tablespoons of oat bran.

3. Consolidation Phase: Gradually introduce other foods to your diet, but still maintain some restrictions. This phase is split into two halves, with the first half being stricter than the second. You'll take 2 tablespoons of oat bran daily.

4. Stabilisation Phase: Focus on maintaining weight loss by following the ‘Attack Phase’ diet one day a week and taking 3 tablespoons of oat bran daily.

Foods allowed on the Dukan Diet

Lean meats, fish, eggs, and low-fat dairy products are staples of the Dukan Diet. The diet restricts carbohydrate intake, focusing on protein-rich foods and vegetables.

“During his research, Pierre Dukan identified 100 allowed foods that contain the essential nutrients for our bodies that have tremendous benefits and are rich in protein, low in carbohydrates and fat. You can eat as much as you want from the Dukan Diet food list during the four phases of the Dukan Diet,” according to the note on the official website.

For complete details of the '68 pure proteins' like chicken and tofu to be eaten during the Attack Phase, '32 vegetables starting from the Cruise phase', and ‘more foods allowed on the Dukan Diet’, click here.

Note to readers: This article is for informational purposes only and not a substitute for professional medical advice. Always seek the advice of your doctor with any questions about a medical condition.

 
ABOUT THE AUTHOR
Sanya Panwar

With a keen eye for detail and a heart for storytelling, Sanya is a seasoned lifestyle journalist who has spent over a decade documenting the intersection of aesthetics and substance. Since stepping into the media world in 2012, she has cultivated a career defined by versatility, curiosity, and an unwavering passion for what makes life both beautiful and meaningful. Over the last many years, she has navigated the fast-paced realms of health, wellness, fitness and fashion while pivoting seamlessly into the nuances of decor and travel. Her work often explores the deeper layers of modern living, delving into art and decor trends that transform spaces, insightful perspectives on gender, parenting, and mental health, immersive travel narratives that capture the essence of a destination. A self-proclaimed aesthetics enthusiast, Sanya doesn't just report on trends — she analyses them. Whether she’s identifying the next shift in fitness or discovering a breakthrough in design, she uses her platform to spark meaningful conversations that resonate with a contemporary audience. Sanya is an alumna of St. Xavier’s College, Kolkata, and the Asian College of Journalism (ACJ), Chennai, where she honed the investigative rigour she brings to her lifestyle reporting today. When she isn't chasing deadlines or conducting interviews, Sanya practices what she preaches. You’ll likely find her sipping matcha, practicing yoga, or scouting the newest cafes. Above all, she finds her balance in nature — whether it's a quiet hike or a moment of reflection in the outdoors, she remains constantly inspired by the tranquillity of the natural world.

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Catch every big hit, every wicket with Crick-it, a one stop destination for Live Scores, Match Stats, Quizzes, Polls & much more. Explore now!.

Catch your daily dose of Fashion, Taylor Swift, Health, Festivals, Travel, Relationship, Recipe and all the other Latest Lifestyle News on Hindustan Times Website and APPs.
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