Decoding Health

Send us Fan Mail Dr. Urban A. Kiernan provides a crucial deep dive into the significance of HbA1c in assessing your metabolic health. We critically examine how HbA1c, a vital biomarker, reflects your average blood sugar levels over a three-month period, offering a more comprehensive understanding than daily glucose readings. We challenge the prevailing notion of "prediabetes," advocating...

Send us Fan Mail Join us on Decoding Health as Dr. Sabrina Solt, a naturopathic medical doctor, shares her compelling journey to optimal health. Discover her personal transformation from a plant-based to a carnivore diet, driven by her own health struggles and remarkable improvements in acne, anxiety, and gut function. This episode dives deep into personalized nutrition, the power of genetic testi...

Send us Fan Mail In this episode, Dr. Urban A. Kiernan demystifies blood glucose, a critical component of metabolic health that many misunderstand. Learn about the body's intricate mechanisms for sugar utilization, the vital role of insulin, and the alarming reality of metabolic dysfunction affecting a vast majority of Americans. We delve into how everything from table sugar to complex carboh...

Send us Fan Mail In this compelling episode of the Decoding Health podcast, Dr. Urban A. Kiernan welcomes Cynthia Thurlow, a leading expert in perimenopause, menopause, and intermittent fasting. They explore the intricate dance between our gut microbiome, hormones, and metabolic health, offering a groundbreaking perspective on why midlife health often feels like an uphill battle. This discussion t...

Send us Fan Mail Join Dr. Urban A. Kiernan in a captivating conversation with Devin Haman, co-founder and CEO of Beverly Hills Rejuvenation Center. Devin shares his incredible journey from a small Indiana town to a serial entrepreneur, impacting industries from real estate and entertainment with the hit show 'Sunset Tan,' to revolutionizing health and wellness. Discover how his personal...

Send us Fan Mail Join Dr. Urban A. Kiernan as he uncovers the truth about diabetes and metabolic control, explaining why common diagnostic tests might not tell the full story. Discover how your body's intricate biological processes can mask the early signs of metabolic dysfunction and the profound impact this can have on your long-term health. This episode challenges conventional understandin...

Send us Fan Mail In this episode of the Decoding Health podcast, Dr. Urban A. Kiernan sits down with metabolic health advocate and social media leader Trent Tueller (known as Trentytok) to unravel the mysteries of our metabolism. Trent shares the powerful personal story of losing his father to complications from chronic illness, which ignited his passion for helping others understand the root caus...

Send us Fan Mail In this episode of Decoding Health, Dr. Urban A. Kiernan dives deep into the recent FDA approval of the oral version of Wegovy, a GLP-1 receptor agonist that aims to replace weekly injections with a simple pill. We explore the sophisticated SNAC technology required to help amino acid-based drugs survive the harsh environment of the stomach and the hidden trade-offs in clinical tim...

Send us Fan Mail Could everything you know about weight loss be wrong?  In this episode of Decoding Health, Dr. Urban A. Kiernan sits down with world-renowned kidney specialist and best-selling author Dr. Jason Fung to discuss the science behind weight gain, insulin resistance, and his new book, 'The Hunger Code'. Dr. Fung explains why the "calories in, calories out" model is a...

Send us Fan Mail Are you relying on "normal" blood sugar levels to tell you you're healthy? You might be missing the most important metric of all.  In this episode of Decoding Health, Dr. Urban A. Kiernan explains why fasting insulin is the "lost biomarker" that can predict metabolic issues years—or even decades—before they show up on a standard glucose test.  In this epis...

Send us Fan Mail Bella Ma (The Steak and Butter Gal) joins Decoding Health to reveal the shocking truth about her 6-year journey as a vegan and how it led to debilitating hormonal issues, cystic acne, and chronic anxiety.  In this episode, we discuss: - Why Bella lost her period for 6 years and how she got it back in 3 months. - The 'brainwashing' she experienced in the plant-based commu...

Send us Fan Mail Are you caught up in the GLP-1 weight loss craze? Before you look into injections, you need to hear about Akkermansia Muciniphila.  In this episode of Decoding Health, Dr. Urban A. Kiernan breaks down the science of this "miracle" bacterium. We explore how it helps with gut healing, blood sugar control, and weight loss, but more importantly, we discuss why most supplemen...

Send us Fan Mail In this deeply moving and scientific episode of Decoding Health, Dr. Urban A. Kiernan interviews Alexander Pujol, founder of Quantum Human Performance.  Alex opens up about his 24-year career as a Physician Assistant and the "perfect storm" that led to a mental health crisis and a suicide attempt in 2022. He shares how he rebuilt his life using the same holistic and quan...

Send us Fan Mail  In this timely episode of Decoding Health , Dr. Urban breaks down one of the most controversial topics in modern agriculture: glyphosate, GMOs, and the growing concern over long-term cancer risk. With renewed policy discussions under HHS and RFK’s leadership, the conversation explores how genetically modified crops were designed to increase yield—but how widespread glyphosate use...

Send us Fan Mail In this Decoding Health episode, Dr. Urban A. Kiernan sits down with Dr. Nick Nwabueze—known as “The Fittest Doc”—to unpack the real origin behind the name and the deeper philosophy it represents: becoming the fittest version of yourself through daily actions, behaviors, and sustainable habits. Dr. Nick shares his path from mechanical engineering at Michigan State to medical schoo...

Send us Fan Mail In this episode of Decoding Health , Dr. Urban reacts to a viral cultural moment— South Park’s “flip the food pyramid” satire—and uses it to unpack what a real shift in U.S. nutrition guidance would mean for metabolic health. He breaks down the core changes being celebrated: higher prioritization of protein and fat , reduced emphasis on grains and refined carbohydrates , and updat...

Send us Fan Mail In this Decoding Health episode, Dr. Urban A. Kiernan sits down with Alex Weisman , founder of Quantum Human Performance and a KidStrong owner/operator in the Phoenix market, for a wide-ranging conversation on what children’s health actually requires in 2026. They break down KidStrong’s science-based model built around physical development, cognitive training, and character-buildi...

Send us Fan Mail In this Decoding Health hot-seat episode, Dr. Urban A. Kiernan breaks down the real “upstream” story behind type 2 diabetes —and why the most dangerous phase often happens long before your labs ever flag you as “diabetic.” He explains the progression from insulin resistance → so-called “pre-diabetes” → type 2 diabetes , why he considers the “pre-diabetes” label a false comfort zon...

Send us Fan Mail In this Decoding Health episode, Dr. Urban A. Kiernan sits down with returning guest Dr. Micah Olson (pediatric endocrinologist turned longevity physician and founder of Valley HealthSpan in Phoenix) to unpack what DEXA scans can actually reveal about true health—not just aesthetics. They break down how DEXA goes beyond bone density to deliver actionable body-composition metrics l...

Send us Fan Mail In this episode of Decoding Health , Dr. Urban breaks down one of the most misunderstood—and most dangerous—topics in modern health: visceral fat . While most people focus on the fat they can see or pinch, Dr. Urban explains why peripheral fat is largely aesthetic, while visceral (also called ectopic) fat is metabolically toxic. This internal fat infiltrates organs like the liver,...

Send us Fan Mail In this episode of Decoding Health , Dr. Urban A. Kiernan sits down with Tony Drake —lifestyle transformation coach, former WWF wrestler, and the man who lost 130 pounds and dropped from ~40% body fat to ~6% —to unpack what actually drives sustainable fat loss and lasting metabolic health. Tony shares the pivotal mindset shift that forced “Big T” to die, how consistent training an...

Send us Fan Mail In this episode of the Decoding Health , Dr. Urban Kiernan breaks down the science behind Urolithin A , a gut-derived compound gaining attention for its role in mitochondrial health, muscle performance, and metabolic function . The conversation explains what Urolithin A actually is (and what it isn’t), how it’s produced through the gut microbiome , and why it’s fundamentally diffe...

Send us Fan Mail Dr. Kaitlin Castillo pulls back the curtain on why so many people can look healthy on the outside while quietly living in a metabolic “danger zone” underneath the surface. Using real-world clinical context, she breaks down what processed, packaged eating does to blood sugar regulation, why insulin resistance can progress for years before patients are clearly warned, and what “good...

Send us Fan Mail GHK-Cu (copper peptide) has surged in popularity across regenerative medicine, aesthetics, and biohacking—but what does the science actually say? In this episode of Decoding Health , Dr. Urban breaks down the real physiology behind GHK-Cu, a naturally occurring copper-binding tripeptide composed of glycine, histidine, and lysine. You’ll learn how this peptide supports wound healin...

Send us Fan Mail Ronald M. Krauss joins the show for a practical, myth-busting deep dive into cardiometabolic risk, lipidology, and why the LDL conversation is often framed in the wrong direction. Building on his long-standing advisory-level relationship with Dr. Urban and his “disruptor” approach to improving outcomes, Dr. Krauss clarifies the critical difference between LDL and LDL cholesterol,...