90% of serotonin is produced in the gut… and your microbiome could influence everything from immunity to Parkinson’s and even cancer risk. In this episode, Dr. Jeremy Lim, the co-founder of Amili, breaks down how the gut microbiome really works, why ultra-processed foods and antibiotics may be quietly damaging us, and how microbiome transplants are already changing lives. We also get into the science behind probiotics, fermented foods, the gut-brain axis, and why Asia needs its own microbiome research instead of relying on Western data. One of the most fascinating conversations I’ve had on health, longevity, and the future of medicine. IN THIS EPISODE 00:00 | Why Your Gut Controls More Than Digestion 03:12 | The Real Job of Your Immune System 04:56 | 3 Simple Foods Your Gut Loves 07:34 | What Processed Food Is Doing to You 09:43 | Why Asians Have Different Gut Bacteria 12:19 | Your Gut’s Link to Anxiety & Brain Health 15:42 | The Gut Bacteria Linked to Cancer 21:13 | Building Asia’s Biggest Microbiome Database 23:59 | Can Your Gut Predict Disease Early? 28:07 | The Science Behind Microbiome Transplants 35:29 | Probiotics vs Prebiotics Explained Properly 40:42 | The Billion-Dollar Opportunity in Gut Health 43:31 | How Jeremy Lost 12kg by Fixing His Gut ABOUT DR. JEREMY LIM MBBS, MPH, MRCS (Edinburgh), MMed (Surgery), FAMS, Dipl IB Lifestyle Medicine Advisor for Gut Microbiome Health, Longevity Clinic Malaysia Associate Professor Jeremy Lim is a medical doctor, triply trained and qualified in surgery, public health and lifestyle medicine. He is widely recognised for championing the role of the gut microbiome in metabolic health, immune function, and biological ageing, establishing microbiome science as a foundational pillar in preventive and personalised medicine. Trained across Singapore, the United Kingdom, and the United States, Assoc Prof Lim completed further training at Johns Hopkins Hospital and the Singapore General Hospital. His career spans senior healthcare leadership roles across government, the private sector, and industry, including Singapore’s Ministry of Health, SingHealth (Singapore’s largest healthcare group, where he oversaw research and education), and Oliver Wyman’s Health and Life Sciences practice in Asia, which he founded in 2013. Assoc Prof Lim has spent over a decade leading efforts to advance microbiome science for Asian populations, building one of the world’s largest multi-ethnic Asian gut microbiome databases and establishing a platform that enables pharmaceutical companies, clinicians, and researchers across more than 200 organisations to develop and validate microbiome-based insights specific to Asian populations, spanning colorectal cancer, metabolic disorders, healthy ageing, and immunotherapy. ABOUT SUSHAANT BAKHRU Sushaant Bakhru is an experienced healthcare professional with 15+ years in the industry, covering consulting, investment banking and corporate strategy / M&A. He is based in Singapore and is an advisor to healthcare startups and PE funds in the region. Connect with Sushaant: https://www.linkedin.com/in/sbakhru/ ABOUT HealthAlpha HealthAlpha is a podcast aimed at the intersection of healthcare and business, showcasing innovative healthcare technologies and stories behind them. Through weekly conversations with pioneers across Asia, it will highlight gaps in healthcare systems and the people leveraging technology to effect disruptive change in the region. #HealthAlpha #HealthTech #HealthcareInnovation #FutureOfHealthcare #GutHealth #GutMicrobiome #Microbiome #Probiotics #Longevity #HealthPodcast #FMT #Biohacking