How Does NutriSystem Work?

How Does NutriSystem Work?
How Does NutriSystem Work? (Image:


The NutriSystem diet started in 1972 as providing liquid protein health shakes to help people lose weight. The company moved away from shakes and to packaged meals in 1978. After a bankruptcy in 1990, NutriSystem resurfaced in 1999 selling its current weight loss products and have continued to thrive in the health and diet marketplace ever since. The system has now expanded to cater its weight loss meals to different markets, including men, women and the 60+ target markets.


NutriSystem is a quick and easy way to have all of your meals and snacks provided for you. This takes the guesswork out of those trying to stay on a diet. The process starts by signing up online at the NutriSystem website, which is provided in the additional resources section of this article. Once you have signed up, you will be asked to input your credit card information and given two options. One option is an automatic withdrawal from your bank account. With this option, food will continue to be delivered to your door each month, as long as there is money in your bank account to cover it. The second option is a one-time payment. With this option, food will only come for the first month of your membership, and you will not automatically be rebilled. You will then have to log back onto the website and order another month of food. After the order has been placed, food will arrive each week at your door. The meals are prepackaged, so all you need to do is follow the reheating directions on each meal.


When NutriSystem first reentered the market, their plans were one meal fits all. They have since expanded to offer different options for the different types of dieters that order their product. They have now grown to offer plans for men, women, men and women over 60 years of age and vegetarian diets both for men and women. Each plan has a different set of food specifically altered to meet the preferences of each market.

Glycemic Index

NutriSystem works on a premise that is called the glycemic index, which works by showing how fast carbohydrates can be broken down into glucose. The higher the index of an item is, the faster it will be broken down, causing a serious spike in your blood sugar. It is believed that the faster the sugar breaks down in your body, the more of the carbohydrate will be converted to fat. Using the glycemic index, NutriSystem also chooses foods that will digest more slowly, allowing you to keep the feeling of being full for longer periods of time between meals.

Portion Control

NutriSystem also helps its clients lose weight by portion control. The program ensures three meals a day, plus a snack and dessert. The meals are portioned to the perfect amount of calories to equal a healthy balanced diet for both men and women, depending on which plan you choose. By using portion control and splitting the amount you eat over three meals and a snack, NutriSystem can keep its users feeling full throughout the day.

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