Nutrisystem works on portion control, balanced nutrition, and frequent meals. They have a team of dietitians that design the program. They claim they use: High protein—25% of calories from lean protein, low fat—less than 30% of calories from fat, low sodium—less than 2,300mg a day, low-glycemic carbs to stabilize blood sugar, and between 25-35g of fiber each day, and there meals include over 100 preservative-free foods. Research suggests that eating smaller, balanced meals throughout the day promotes greater weight loss …show more content…
Weight Watchers has been around since the early 1960’s today, millions of women and men around the world who’ve joined Weight Watchers to lose weight and lead healthier lives. Weight Watchers is the world’s leading commercial provider of weight management services, Weight Watchers is a proven approach, informed by nutrition and behavior research and validated by dozens of peer-reviewed publications over the past 15 years. They too have an Advisory Board that demonstrates the company’s continued commitment to working closely with the scientific and public health communities to provide an effective, scalable and accessible solution to weight management. Weight Watchers has been recognized by the experts in the 2015 Best Diets rankings released today by U.S. News & World Report. For years, Weight Watchers has been helping people track how much they eat by assigning point values to various foods. In 2010, the company radically altered how it determines these values with a new system called PointsPlus. When you're losing weight with Weight Watchers, it's necessary that one knows there way around all those abbreviations and numbers listed on food labels. The PointsPlus® values for thousands of foods are available to subscribers, but occasionally one has to figure out one on their own, or using the PointsPlus calculator. In those cases, one has to understand serving size, protein, total carbohydrate, total fat, and fiber. Weight Watchers members lost an average of 5% of their body weight, or about nine pounds each, while the number on the scale for the fitness group didn't budge. This confirms previous research that, in the short-term, cutting calories is a better weight management tool than exercise alone. Much of the weight lost by the Weight Watchers group was lean muscle mass and not fat. (This is one of the first studies to track exactly what kind of weight is