Kim Kardashian's Atkins Diet Helps Her Lose 25 Pounds After Baby

Kim Kardashian's Atkins Diet is the apparent secret to her weight loss, having lost at least 25 pounds since giving birth to a baby girl named North West in June.

Now a blonde, the natural brunette revealed her diet secret with her fans on Twitter on Sunday.

I've actually been doing the Atkins diet & luv it RT @AlwaysKhloverxo: Need to know @KimKardashian secret on how she's lost so much weight

— Kim Kardashian (@KimKardashian) October 13, 2013

With her announcement, the reality TV star joins the ranks of other notable celebrities who have resorted to the low-carb high protein diet, including Jennifer Aniston, Demi Moore, Catherine Zeta-Jones, and Sharon Osbourne among others, EOnline.com reported.

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Though Kardashian didn't divulge what her diet consisted of, a rep for Atkins told the Daily Mail that "She is eating lots of lean proteins, healthy fats like nuts and avocado, carbs, fruits, veggies and cheese."

"After she delivered her baby on June 15, she wanted an effective and balance way to lose the baby weight," Jennifer Livingston, a spokeswoman with Atkins Nutritionals, told the New York Daily News.

"She’d done Atkins before and knew it worked, so once she got the approval of her doctor, we connected her with our Vice President of Nutrition Colette Heimowitz, who counseled her directly," Livingston added.

"Being a new nursing mother, she needed adequate calories to be healthy for her child and keep up her milk production," she continued. "What’s great about Atkins is that it’s not about counting calories or depriving yourself."

Prior to the weight loss, Kardashian had been criticized by some for having exceeded 200 pounds during her pregnancy.

The 32-year-old Los Angeles native is also reportedly spending time at the gym to reshape her body.

Though some physicians and nutritionists have expressed concerns over the Atkins Diet and the possible adverse effects it could have long term on one's liver, due to its focus on high-protein, low-carbohydrate consumption, nutritionist Jonny Bowden dismisses the concerns.

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"There really isn't a downside to it," Bowden told EOnline.com. "Low-carb eating is the healthiest way to go and I completely support that, but you have to really change your relationship with food."

"I haven't in 20 years of practice seen any real negative effects on someone that follows a low-carb diet regularly using good foods and a smart approach," Bowden added.