The programme focuses on gut health this week - a topic creating waves in the health world. Journalist Sian Williams and Dr Ranj Singh explore the sudden popularity of gut health diets. Can feeding the bacteria in your stomach really be the answer, not just to weight loss, but to staying healthy and living longer? They investigate whether investing in a healthy gut now can really improve overall health and save money in the long term, and examine what products are worth spending cash on. More slimmers with common gut issues try different diets that claim to help with their stomach health and help them lose weight. Sian looks into probiotics and food fads, while Ranj takes on the most challenging diet of his life - bone broth. Will it really make his gut health stronger?