A Randomised Control Trial of Commercial Weight Loss Programme in a Community Based Sample of Obese Adults.

The objective is to compare the effectiveness of 4 different commercial weight-loss diets available to adults in the UK.

This is achieved with a 6 month multi-centre randomised unblinded controlled trial of

• Dr Atkins' New Diet Revolution,
• The slimFast Plan,
• The weight Watchers Pure Points Programme,
• Rosemary Conley's "Eat Yourself Slim" Diet & Fitness Plan.
• No diet (control)

Subjects are a community based sample of 300 (60 per group) otherwise healthy overweight and obese adults.

Main outcome measures are weight and body fat change over 6 months.