NutriSystem Foods: Nutrisystem-style apple-cinnamon oatmeal, cream of broccoli soup, beef tacos, whipped sweet potatoes with cheese
South Beach Diet Foods: Phase 1: vegetables, eggs, cheese, nuts, beef, fish; Phase 2: reintroduce bread, cereal and potatoes
Zone Diet Meals based ratio of carbohydrates (40%), fat (30%) and proteins (30%).
Packaged food programs (Jenny Craig and NutriSystem) are generally short-term solutions or fixes – they are often used by people trying to get back on track. Convenience and time-management often dictate what we can eat. This is reality.
Weight Watchers Has The Best Research Track Record
“With the exception of Weight Watchers, the evidence to support the effectiveness of major commercial weight loss programs is limited. Patients considering the use of commercial weight loss programs should realize that these programs have not been carefully studied and that they vary greatly in cost.”
So, without doubt Weight Watchers is the most studied diet, and with the most successful outcome.