The diets tested this time include going raw and vegan, drinking meal-replacement shakes, and eating a pizza every day! Plus, Dr Xand investigates bottled waters and goes Keto.
Dr Xand investigates whether our hormones can make us fat, and Helen Lawal discovers if it is possible to still burn calories sitting down. Plus, can knitting lead to weight loss?
The weight loss regimes tested this time include the faith-based hallelujah diet. And Dr Xand investigates if you can offset office-snacking calories by exercising at work.
The high-fibre Pritikin method and a diet designed by Beyonce's personal trainer get tested. And how does smell affect appetite?
In this one-off special ordinary Brits trial popular diets looking to shape up for a wedding, a pool party and a beach holiday. Also, can you sleep your way to weight loss?
Jonno and Alfie have two weeks to slim down for a family barbecue, Sonal and Surekha go on six-week dieting plans, and Xand finds out which alcoholic drink is worst for calories
Can a mum and daughter lose a dress size? Will a couple of mates in Stoke tune up in time for a charity football match? And a look at gastric balloon pills and frozen belly fat.
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
The weight-busters being trialled this time include a potato diet, a cabbage diet, something from Greggs, and the genetic and metabolic diets