Do: Go Mediterranean
Last updated by Angela Haupt | January 07, 2013
The Biggest Loser Diet stresses nutrition and exercise. In 6 weeks, dieters can lose weight, make progress against diabetes, and improve heart health.
Nutrisystem determines portions, prepares and delivers your meals, and tells you what to eat and when.
The Mayo Clinic diet plan focuses on lifelong healthy eating. It's rated high in nutrition, safety, and diabetes, but only moderately effective for weight loss.