It is hard to say which is better than the other since both diet do work, the difference is in the cost where Jenny Craig is expensive. Nutrisystem is said to be low in calories as well as fats. Choosing which is better is more of a personal choice, some people like Jenny Craig, others like Nutrisystem. I do prefer to have a personal diet and doing exercises than spending on a menu someone has set for me to stick on it. For more information you may visit http://www.fastweightloss.com/programs/jenny-vs-nutrisystem.html.