Dieters attempt the most hyped and written-about diets on the market today - which diets work best?
Dr Xand van Tulleken and Dr Helen Lawal help road test diets including the charcoal diet, the breakfast diet, the MacDonald's diet, and the super food diet
Dr Xand van Tulleken and Dr Helen Lawal help ordinary Brits to road test some of the most popular diets out there.
Get Fit for Summer: Ordinary Brits trial popular diets looking to shape up for summer
Series 4 Episode 5
Hanger, Booze and a Six Week Diet: Xand finds out which alcoholic drink is worst for calories
Series 4 Episode 4
From a Mind-Body Cleanse to Frozen Belly Fat: A look at gastric balloon pills and frozen belly fat
Series 4 Episode 3
From Charcoal to Super Foods: Including the charcoal diet, the MacDonald's diet, and the super food diet
Series 4 Episode 2
From the Cabbage Regime to the Greggs Diet: The weight-busters being trialled include a potato diet, cabbage, and food from Greggs
Series 4 Episode 1