Dieters attempt the most hyped and written-about diets on the market today - which diets work best?
Dr Xand and Dr Helen help people test popular and hyped summer diets, including the summer sandwich diet, the sexy pineapple diet and the citrus diet
Dr Xand van Tulleken and Dr Helen Lawal help the public road test more of the most hyped-up diets out there
Summer Special: Summer sandwich diet; sexy pineapple diet... Xand and Helen help people test summer diets.
Series 5 Episode 5
From the Fruitarian Diet to the Carnivore Diet: Dr Xand investigates bottled waters, from 'protein' to 'skinny', and goes on a Keto diet
Series 5 Episode 4
From the Midwife's Diet to the Athlete's Diet: Dr Xand finds out whether our hormones can make us fat, and can we burn calories sat down?
Series 5 Episode 3
From the Hallelujah to the Weigh Down Diet: Dr Xand investigates if you can offset office-snacking calories by exercising at work
Series 5 Episode 2
From the Pritikin to the Greenprint Diet: The high-fibre Pritikin diet is tested and one designed by Beyonce's personal trainer
Series 5 Episode 1