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Low carb ketogenic diet fueled Kim Kardashian's weight loss and hot bikini body

Kim Kardashian showed off her sizzling bikini body and 56-pound weight loss in Phuket, Thailand. Kardashian sported a gray bikini (above, far right) while filming "Keeping Up With the Kardashians" with her sisters Khloe, Kendall and Kylie.

Kim Kardashian flaunts bikini body after 50-lb weight on ketogenic Atkins diet
Eugene Gologursky/Getty Images

Judging by the photo, Kim has completely regained her pre-baby bikini body less than a year after giving birth to daughter North in June 2013.

Kardashian lost 56 pounds in just six months by following the low carb, high-fat ketogenic style Atkins diet and limiting her daily carb intake to less than 60 net grams. For exercise, Kim strength-trained and did cardio workouts on the treadmill and elliptical trainer.

The low-carb, high-fat (LCHF) ketogenic diet is known for producing rapid weight loss. The ketogenic and Atkins diets are extremely low in carbs, very high in fat, and moderate in protein; they are not high-protein diets.

The ketogenic diet produces rapid weight loss because it forces the body to burn fat for fuel, said obesity expert Dr. Eric Westman, author of Keto Clarity.

Colette Heimowitz, vice president of nutrition for Atkins Nutritionals, said Kim was an ideal client because she was so motivated. "She wanted to show the world she can do it," said Heimowitz, author of The New Atkins Made Easy.

Kardashian's daily menu looked like this:

  • Breakfast: Omelette or Greek yogurt with berries and slivered almonds.
  • Snacks: One to two ounces of nuts or a guacamole dip with fresh veggies.
  • Lunch and dinner: A serving of fish, poultry, eggs, or lean red meat with lots of fiber-rich vegetables prepared with olive oil.

In addition to producing fast weight loss, the low-carb, high-fat (LCHF) ketogenic and Atkins diets have been touted for fighting depression and bipolar disorder.

In 2011, a 32-year-old California woman suffering from bipolar disorder said she felt immediate relief from her depression and manic mood swings after following the Atkins diet. The woman has been doing well for the past three years, and no longer takes prescription drugs to treat her bipolar disorder.

The rapid weight loss and mood-enhancing benefits of the LCHF Atkins and ketogenic diets are not surprising to Dr. Jeff Volek, a dietitian and professor at Ohio State University.

Volek, author of the Art and Science of Low Carbohydrate Living, experienced a dramatic improvement in his own health and mood after switching a low-carb ketogenic diet 20 years ago. "It was nothing short of an epiphany," Dr. Volek told me. "I felt better, more satiated, and had more consistent energy."

Post-Baby Weight Loss Tips

Linda O’Byrne, Atkins chief nutritionist, told me these tips can help women lose baby weight quickly but in a healthy way:

  • Build your diet around moderate protein intake, including meat, poultry, seafood, eggs, as well as healthy natural fats such as olive and flaxseed oil, nuts/seeds and avocados.
  • Eat plenty of vegetables and two servings of fruit each day.
  • Avoid unhealthy hydrogenated oils.
  • Drink plenty of water. Aim for eight glasses of water a day
  • Eat small, frequent meals and enjoy regular, healthy snacks to keep hunger pangs at bay.
  • Once you have the go-ahead from your doctor to exercise, try to walk 30 minutes a day.