6. Weight Watchers diet

All-you-can-eat fresh fruits and veggies? It's got to be healthy. Dieters are allotted daily points that are devoured if they choose fatty foods like sweets. Weight Watchers promotes a healthy, balanced approach to eating, concluded the experts. They didn't have many worries that dieters would miss out on nutrients or lose weight too quickly, and that makes it a safe plan. Click here for the full review.

Score: 4.4

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