In this episode, they investigate reports about some surprising foods it's claimed could help you lose weight. To find out if they live up to the hype, Chris goes on a chocolate cake diet and Gloria investigates whether artificial sweeteners really are a safe alternative to sugar. Meanwhile, Danny Crates looks into claims that chilli can help in the battle of the bulge - by helping our bodies burn stubborn belly fat. Plus the team uncovers the truth about the latest weight-loss food fad - the bullet proof coffee.