Our gut helps fight disease. It processes energy for us and boosts our mood. So, having a healthy gut is extremely important – but there’s still a lot we don’t know. Gut biome tests are a new, exciting technology, but are they the be-all and end-all for dietary decision-making? And are there simpler ways — and tastier ways, perhaps — to tell what’s happening inside our bodies?In today’s short episode of ZOE Science & Nutrition, Jonathan and Dr. Will ask: What are the signs of an unhealthy gut? And how can we improve our gut health?Referenced in today’s episode:  The Bristol Stool Scale. https://www.bladderandbowel.org/bowel/bowel-resources/bristol-stool-form-scale/  ZOE’s Blue Poop Challenge: https://www.joinzoe.com/bluepoop Blue poo: Impact of gut transit time on the gut microbiome using a novel marker published in Gut https://gut.bmj.com/content/70/9/1665 Download our FREE guide — Top 10 Tips to Live Healthier: https://zoe.com/freeguide Follow ZOE on Instagram: https://www.instagram.com/zoe/This podcast was produced by Fascinate Productions.