Marie said that she discovered Nutrisystem in 2007, and it helped her go from a size 14 to a size 4. Marie shared that she's been off Nutrisystem for 15 years, but she's taken the tools she learned from the program and continues to use them today.

Sometimes life just gets you off track and before you know it, you're 50 pounds heavier. But thanks to Nutrisystem,I lost the weight and have learned how to keep it off. They say you can't turn back time, but I'll tell you what, I certainly have so much more energy - and I feel better and younger, too.

I have been off of it [Nutrisystem] now for 15 years. I lost my weight 15 years ago, and I don't let myself get more than five pounds overweight, usually around holidays or something like that. You know, I'll eat a little extra.

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How Does Nutrisystem Work? Nutrisystem's weight loss program is designed to be high in fiber and protein - nutrients that help you feel full. At the same time, the program decreases your overall calorie intake via its pre-portioned meals, creating a calorie deficit.

Is Nutrisystem food good for you? Nutrisystem meals are designed to be nutritionally balanced, featuring lean proteins, healthy fats, and good sources of fiber. However, the meals may be too low in calories for many adults, and most of the food is highly processed.

2 to 3 pounds per week. Cost of losing 20 pounds: About $706 for eight weeks of food on the standard plan. Worth the money? Yes: For a meal-delivery diet system, Nutrisystem is more economical than Jenny Craig.

Many people end up gaining the weight back when they go off the program. NutriSystem may be hard to stay on if you mostly eat meals with other people in your family or you like to eat out. NutriSystem is also costly. You will need to think about the money you would spend on groceries and eating out.

Zier “was mutually terminated,” Tivity said in a statement Monday, one year after she announced that Tivity had agreed to buy Nutrisystem for $1.4 billion. Zier had run Nutrisystem since 2012, and as president and chief operating officer, had reported to CEO Donato Tramuto.

Limited calories. The company's website claims that women can lose up to 13 pounds and 7 inches in the first month and men can lose up to 18 pounds and 8 inches in the first month on Nutrisystem for Men. After that, dieters can lose an average of 1 to 2 pounds per week.

It's convenient and may lead to short-term weight loss, along with improvements in blood sugar management. However, it can be expensive and excessively restrictive. Nutrisystem meals and snacks are also highly processed and unsuitable if you follow a vegan, dairy-free, or gluten-free diet.

"These are real people," chief executive officer Joseph M. Redling said in an interview. "We want them to inspire others."