Try Nutrisystem an excellent Choice for you? Disadvantages of the Nutrisystem Diet plan Cost: Like other commercial weight loss programs, Nutrisystem won’t go with every person’s finances. The application form can cost approximately $250 to help you $350 a month and also the cost of more meals regarding grocery store, like make, fruit, and milk products. Substandard unhealthy food: The latest packaged eating on Nutrisystem diet is greatly processed.