
Advertise on podcast: The Metabolic Classroom with Dr. Ben Bikman
Rating
4.9from
This podcast has
146 episodes
Language
EnglishPublisher
Insulin IQExplicit
No
Date created
2021/02/16
Latest episode
2026/04/20
Average duration
29 min.
Release period
8 days
Description
Welcome to The Metabolic Classroom, a nutrition and lifestyle podcast focused on metabolism, which is how our bodies use energy, and the truth behind why we get sick and fat. Every week, Dr. Ben Bikman shares valuable insights that you can apply in your own life and share with friends and loved ones. The Metabolic Classroom is brought to you by BenBikman.com and InsulinIQ.com. Hosted on Acast. See acast.com/privacy for more information.
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Check latest episodes from The Metabolic Classroom with Dr. Ben Bikman podcast
The Muscle Biology Behind Diabetes Risk
2026/04/20
📢 Ask Dr. Bikman’s Digital Mind (multilingual):
https://benbikman.com/ben-bikmans-digital-ai-mind
📢 Dr. Bikman’s Community & Coaching Site: https://insuliniq.com
Summary:
In this lecture, Dr. Ben Bikman explores how skeletal muscle fiber type influences insulin sensitivity and diabetes risk. While muscle is the body’s largest site of insulin-stimulated glucose disposal, not all muscle behaves the same. Different fiber types carry different amounts of the molecular machinery needed to respond to insulin, take up glucose, store it, and burn it.
He begins by distinguishing the two major muscle fiber types: type 1 slow-twitch and type 2 fast-twitch. Type 1 fibers are more oxidative, with greater mitochondrial density, while type 2 fibers are more glycolytic and fatigue more quickly. Importantly, type 1 fibers contain more insulin receptors, GLUT4 transporters, and key enzymes involved in glucose handling, helping explain why a higher proportion of these fibers is associated with better insulin sensitivity.
Dr. Bikman then connects these differences to real-world metabolic risk. Studies show that individuals with fewer type 1 fibers can have significantly lower insulin sensitivity—even when they appear healthy by standard markers. He also explores how these patterns may contribute to ethnic differences in diabetes risk across populations.
The key takeaway is that fiber type is not destiny. While genetics plays a role, exercise can improve muscle’s glucose-disposal capacity. Most importantly, total muscle mass matters more than fiber type alone, making resistance training a powerful tool for protecting metabolic health.
References:
For complete show notes and references, we invite you to become an Insider subscriber. You’ll enjoy real-time, livestream Metabolic Classroom access which includes live Q&A with Ben after the lecture, unlimited access to Dr. Bikman’s Digital Mind, ad-free podcast episodes, show notes and references, and Ben’s Weekly Research Review Podcast. Learn more: https://www.benbikman.com
NOTE: The information presented is not intended to be a substitute for professional medical advice, diagnosis, or treatment. Dr. Bikman is not a clinician—and, he is not your doctor. Always seek the advice of your own qualified health providers with questions you may have regarding medical conditions.
Hosted on Acast. See acast.com/privacy for more information.
How Insulin May Be Silencing Your GLP-1
2026/04/13
📢 Ask Dr. Bikman’s Digital Mind (multilingual):
https://benbikman.com/ben-bikmans-digital-ai-mind
📢 Dr. Bikman’s Community & Coaching Site: https://insuliniq.com
Summary:
GLP-1 has become one of the most talked-about hormones in modern medicine, largely due to the rise of GLP-1 receptor agonist drugs for weight loss. In this lecture, Dr. Ben Bikman shifts the focus from how GLP-1 affects insulin to the overlooked reverse question: how insulin affects GLP-1. That shift reveals a deeper metabolic story about how chronic hyperinsulinemia may impair the body’s ability to produce GLP-1 over time.
Dr. Bikman first clarifies a key misconception. While GLP-1 can stimulate insulin under artificial conditions, in a real meal its dominant role is to slow gastric emptying, suppress glucagon, and reduce the need for insulin. In that sense, GLP-1 functions primarily as an insulin-sparing hormone. This makes the reverse question critical: what happens when the body produces less GLP-1?
Evidence shows that insulin-resistant, obese, prediabetic, and type 2 diabetic individuals consistently have a blunted GLP-1 response. Mechanistic studies indicate that chronic exposure to high insulin can make L-cells insulin resistant, reducing their ability to secrete GLP-1 when needed. This may create a vicious cycle: high insulin suppresses GLP-1, low GLP-1 removes metabolic brakes, and the resulting larger glucose and insulin spikes further worsen the problem over time.
The lecture reframes GLP-1 deficiency as a potential consequence of chronic hyperinsulinemia rather than an isolated defect. While GLP-1 drugs can bypass this dysfunction and improve outcomes, they do not repair the underlying cause—making long-term strategies that lower chronically elevated insulin levels more fundamental.
References:
For complete show notes and references, we invite you to become an Insider subscriber. You’ll enjoy real-time, livestream Metabolic Classroom access which includes live Q&A with Ben after the lecture, unlimited access to Dr. Bikman’s Digital Mind, ad-free podcast episodes, show notes and references, and Ben’s Weekly Research Review Podcast. Learn more: https://www.benbikman.com
NOTE: The information presented is not intended to be a substitute for professional medical advice, diagnosis, or treatment. Dr. Bikman is not a clinician—and, he is not your doctor. Always seek the advice of your own qualified health providers with questions you may have regarding medical conditions.
Hosted on Acast. See acast.com/privacy for more information.
Why Creatine Is One of the Most Important Brain Nutrients
2026/04/06
📢 Ask Dr. Bikman’s Digital Mind (multilingual):
https://benbikman.com/ben-bikmans-digital-ai-mind
📢 Dr. Bikman’s Community & Coaching Site: https://insuliniq.com
Topic:
Creatine supports brain function by rapidly regenerating ATP, making it essential for cognitive performance, especially under conditions of stress or low baseline levels. Clinical evidence shows it can improve memory, attention, mood, and resilience—particularly in vegetarians, older adults, women, and sleep-deprived individuals.
Summary:
Creatine is widely known as a muscle-building supplement, but in this lecture, Dr. Ben Bikman reveals its far more important and underappreciated role in brain function. Creatine acts as a rapid energy buffer through the phosphocreatine system, allowing brain cells to regenerate ATP within milliseconds during periods of high demand. Because the brain has extremely high energy needs and limited energy storage, this system is critical for maintaining cognitive performance, neurotransmitter signaling, and overall brain health.
Dr. Bikman walks through the human clinical evidence showing that creatine supplementation can meaningfully improve cognitive function, particularly in individuals with lower baseline creatine levels or increased metabolic stress. These groups include vegetarians and vegans, older adults, and women—each of whom tend to have lower creatine availability or higher demand. Studies show improvements in memory, intelligence, attention, and executive function, especially when the brain is under strain, such as during sleep deprivation.
The lecture also explores emerging research linking creatine to depression, traumatic brain injury, and neurodevelopmental disorders. In multiple randomized trials, creatine supplementation enhanced antidepressant responses, improved brain energy metabolism, and reduced cognitive impairment following sleep loss or injury. The overall message is clear: creatine is not just a performance supplement—it is a critical molecule for brain energy, cognition, and resilience under stress.
References:
For complete show notes and references, we invite you to become an Insider subscriber. You’ll enjoy real-time, livestream Metabolic Classroom access which includes live Q&A with Ben after the lecture, unlimited access to Dr. Bikman’s Digital Mind, ad-free podcast episodes, show notes and references, and Ben’s Weekly Research Review Podcast. Learn more: https://www.benbikman.com
NOTE: The information presented is not intended to be a substitute for professional medical advice, diagnosis, or treatment. Dr. Bikman is not a clinician—and, he is not your doctor. Always seek the advice of your own qualified health providers with questions you may have regarding medical conditions.
#Creatine #BrainHealth #CognitivePerformance #MemoryBoost #MetabolicHealth #BrainEnergy #ATP #Phosphocreatine #SleepDeprivation #MentalPerformance #NeuroScience #DepressionTreatment #BrainMetabolism #SupplementScience #DrBenBikman #MetabolicClassroom #HealthOptimization #FocusAndMemory #BrainFuel #NutritionScience
Hosted on Acast. See acast.com/privacy for more information.
Why Gum Disease Raises Your Blood Sugar
2026/03/30
📢 Ask Dr. Bikman’s Digital Mind (multilingual):
https://benbikman.com/ben-bikmans-digital-ai-mind
📢 Dr. Bikman’s Community & Coaching Site: https://insuliniq.com
Most people think of gum disease as a local dental issue, but this lecture reveals a much broader and more consequential reality. Dr. Ben Bikman explains how the mouth serves as a gateway to systemic inflammation, particularly when periodontal disease allows bacteria and their toxic byproducts to enter the bloodstream. Once this happens, oral pathogens—especially P. gingivalis—can drive chronic inflammation, disrupt mitochondrial function, and contribute directly to insulin resistance.
At the mechanistic level, Dr. Bikman outlines several pathways linking oral health to metabolic dysfunction. These include cytokine spillover (where inflammatory signals interfere with insulin signaling), direct degradation of insulin receptors by bacterial enzymes, dysregulation of liver glucose metabolism, and disruption of the gut microbiome. Together, these effects create a persistent inflammatory state that impairs glucose control and increases the risk of type 2 diabetes—even in individuals without obesity.
The lecture also explores the strong epidemiological evidence supporting this connection, including studies showing that treating periodontal disease can significantly improve blood sugar control. Dr. Bikman further connects oral health to cardiovascular disease, highlighting how oral bacteria and endotoxins contribute to atherosclerosis. The takeaway is clear: oral health is not separate from metabolic health—it is a critical and often overlooked component of it.
References:
For complete show notes and references, we invite you to become an Insider subscriber. You’ll enjoy real-time, livestream Metabolic Classroom access which includes live Q&A with Ben after the lecture, unlimited access to Dr. Bikman’s Digital Mind, ad-free podcast episodes, show notes and references, and Ben’s Weekly Research Review Podcast. Learn more: https://www.benbikman.com
NOTE: The information presented is not intended to be a substitute for professional medical advice, diagnosis, or treatment. Dr. Bikman is not a clinician—and, he is not your doctor. Always seek the advice of your own qualified health providers with questions you may have regarding medical conditions.
Ben’s favorite yerba mate and fiber: https://ufeelgreat.com/usa/en/c/1BA884
Exogenous ketones: A high-quality option is the NSF-certified goBHB from Clean Form Nutrition, where you can use the code BEN10 for a 10% discount: https://cleanformnutrition.com/products/go-bhb
Ben’s favorite meal-replacement shake: https://gethlth.com (discount: BEN10)
Hosted on Acast. See acast.com/privacy for more information.
Ivermectin Explained: The Science Behind the Controversy
2026/03/23
📢 Ask Dr. Bikman’s Digital Mind (multilingual):
https://benbikman.com/ben-bikmans-digital-ai-mind
📢 Dr. Bikman’s Community & Coaching Site: https://insuliniq.com
Topic:
Ivermectin is a Nobel Prize-winning drug with emerging evidence showing it influences mitochondria, inflammation, and metabolic signaling pathways such as AMPK and FXR. While most data is still preclinical, its consistent mechanisms and strong safety record make it a compelling candidate for further research in cancer and metabolic disease.
Summary:
Ivermectin has become one of the most controversial drugs in recent years, but beneath the political noise lies a compelling scientific story. In this lecture, Dr. Ben Bikman examines ivermectin strictly through the lens of peer-reviewed research, highlighting its origins as a Nobel Prize-winning antiparasitic drug and exploring its expanding role in metabolism, mitochondrial function, inflammation, and cancer biology.
A central theme of the lecture is ivermectin’s impact on mitochondria, particularly its ability to inhibit complex I of the electron transport chain. This disruption creates an energy crisis within cells, activates AMPK, suppresses mTOR signaling, and can ultimately trigger apoptosis in cancer cells. Notably, these effects appear to be selective, with cancer cells showing greater sensitivity than healthy cells. Additional mechanisms—including inhibition of PAK1 and synergy with existing chemotherapy agents—further support ivermectin’s potential as a therapeutic candidate in oncology.
Beyond cancer, ivermectin demonstrates meaningful metabolic effects. It reduces inflammation through suppression of NF-kappaB, activates AMPK, and influences glucose metabolism via FXR signaling. Preclinical studies show improvements in insulin sensitivity, glucose control, liver health, and even adipocyte behavior. While human data is still limited, Dr. Bikman emphasizes that the mechanistic consistency across pathways warrants serious clinical investigation rather than dismissal.
References:
For complete show notes and references, we invite you to become an Insider subscriber. You’ll enjoy real-time, livestream Metabolic Classroom access which includes live Q&A with Ben after the lecture, unlimited access to Dr. Bikman’s Digital Mind, ad-free podcast episodes, show notes and references, and Ben’s Weekly Research Review Podcast. Learn more: https://www.benbikman.com
NOTE: The information presented is not intended to be a substitute for professional medical advice, diagnosis, or treatment. Dr. Bikman is not a clinician—and, he is not your doctor. Always seek the advice of your own qualified health providers with questions you may have regarding medical conditions.
Ben’s favorite yerba mate and fiber: https://ufeelgreat.com/usa/en/c/1BA884
Exogenous ketones: A high-quality option is the NSF-certified goBHB from Clean Form Nutrition, where you can use the code BEN10 for a 10% discount: https://cleanformnutrition.com/products/go-bhb
Ben’s favorite meal-replacement shake: https://gethlth.com (discount: BEN10)
Hosted on Acast. See acast.com/privacy for more information.
How Sleep Loss Rewires Your Hunger Hormones
2026/03/16
📢 Ask Dr. Bikman’s Digital Mind (multilingual): https://benbikman.com/ben-bikmans-digital-ai-mind
📢 Dr. Bikman’s Community & Coaching Site: https://insuliniq.com
Topic:
Sleep loss alters key hunger hormones—reducing leptin and increasing ghrelin—while simultaneously activating reward pathways that increase cravings for calorie-dense foods. Because sleep and appetite hormones influence each other in both directions, improving sleep quality may be one of the most powerful tools for regulating hunger and metabolic health.
Summary:
Sleep is often treated as a simple lifestyle choice, but in reality it is one of the most powerful regulators of appetite and metabolic health. In this lecture, Dr. Ben Bikman explains the intricate hormonal relationship between sleep and hunger, highlighting how even short periods of sleep deprivation can dramatically alter the body’s appetite signals. Key hormones such as leptin and ghrelin shift in opposite directions during sleep restriction—satiety signaling declines while hunger signaling increases—creating a biological drive to eat more food.
Ben also explores how sleep deprivation affects additional systems involved in appetite regulation, including the endocannabinoid system, cortisol rhythms, and the brain’s orexin neurons. These changes don’t just increase hunger—they specifically increase cravings for energy-dense, rewarding foods like chips, sweets, and other highly palatable options. Together, these hormonal changes create what researchers describe as an “obesogenic environment,” where the body becomes biologically primed to overeat.
Importantly, the relationship works both ways. Hormones such as leptin and ghrelin also influence sleep quality, while melatonin plays a coordinating role in regulating the entire circadian system. Dr. Bikman concludes by emphasizing that optimizing sleep—especially protecting early-night deep sleep and minimizing artificial light at night—may be one of the most effective interventions for regulating appetite and improving metabolic health.
References:
For complete show notes and references, we invite you to become an Insider subscriber. You’ll enjoy real-time, livestream Metabolic Classroom access which includes live Q&A with Ben after the lecture, unlimited access to Dr. Bikman’s Digital Mind, ad-free podcast episodes, show notes and references, and Ben’s Weekly Research Review Podcast. Learn more: https://www.benbikman.com
NOTE: The information presented is not intended to be a substitute for professional medical advice, diagnosis, or treatment. Dr. Bikman is not a clinician—and, he is not your doctor. Always seek the advice of your own qualified health providers with questions you may have regarding medical conditions.
#SleepAndMetabolism #SleepAndHunger #Ghrelin #Leptin #SleepDeprivation #MetabolicHealth #CircadianRhythm #EndocannabinoidSystem #SleepScience #HormonesAndSleep #InsulinResistance #AppetiteHormones #SleepAndWeightGain #CortisolRhythm #MelatoninScience #SleepQuality #MetabolismMatters #DrBenBikman #MetabolicClassroom #SleepForHealth
Ben’s favorite yerba mate and fiber: https://ufeelgreat.com/usa/en/c/1BA884
Exogenous ketones: A high-quality option is the NSF-certified goBHB from Clean Form Nutrition, where you can use the code BEN10 for a 10% discount: https://cleanformnutrition.com/products/go-bhb
Ben’s favorite meal-replacement shake: https://gethlth.com (discount: BEN10)
Hosted on Acast. See acast.com/privacy for more information.
Why Alzheimer’s May Be a Metabolic Disease
2026/03/09
📢 Ask Dr. Bikman’s Digital Mind (multilingual):
https://benbikman.com/ben-bikmans-digital-ai-mind
📢 Dr. Bikman’s Community & Coaching Site: https://insuliniq.com
Topic:
Alzheimer’s disease has traditionally been explained by the buildup of amyloid plaques in the brain, but growing evidence suggests this theory does not fully account for the disease or lead to effective treatments. A metabolic perspective proposes that Alzheimer’s may instead be driven by brain insulin resistance, which disrupts neuronal energy metabolism—while the brain’s ability to use ketones as an alternative fuel remains intact, offering potential strategies for prevention and support.
Summary:
For decades, Alzheimer’s disease has largely been understood through the lens of the amyloid plaque hypothesis, which proposes that sticky protein deposits in the brain trigger neurodegeneration and cognitive decline. In this Metabolic Classroom lecture, Ben explains why that theory is increasingly being questioned. He reviews the historical origins of the plaque hypothesis and the repeated failure of drugs designed to remove amyloid plaques to meaningfully improve patient outcomes. The controversy surrounding manipulated data in influential Alzheimer’s research further highlights the need for a new framework to better explain the disease.
Ben then presents a compelling alternative: Alzheimer’s disease as a metabolic disorder driven by brain insulin resistance. Drawing from mechanistic studies, epidemiological data, and genetic insights, he explains how impaired insulin signaling in the brain can disrupt neuronal energy metabolism, increase tau tangles, impair amyloid clearance, and ultimately contribute to neurodegeneration. This concept has led some researchers to refer to Alzheimer’s as “Type 3 diabetes.”
The lecture also explores a hopeful implication of this metabolic framework. While glucose metabolism is impaired in Alzheimer’s brains, research shows that the brain’s ability to use ketones remains intact. This suggests that strategies that improve insulin sensitivity or increase ketone availability—such as carbohydrate restriction, fasting, exercise, or exogenous ketones—may offer promising avenues for prevention or metabolic support.
References:
For complete show notes and references, we invite you to become an Insider subscriber. You’ll enjoy real-time, livestream Metabolic Classroom access which includes live Q&A with Ben after the lecture, unlimited access to Dr. Bikman’s Digital Mind, ad-free podcast episodes, show notes and references, and Ben’s Weekly Research Review Podcast. Learn more: https://www.benbikman.com
NOTE: The information presented is not intended to be a substitute for professional medical advice, diagnosis, or treatment. Dr. Bikman is not a clinician—and, he is not your doctor. Always seek the advice of your own qualified health providers with questions you may have regarding medical conditions.
#AlzheimersDisease #Type3Diabetes #BrainInsulinResistance #MetabolicHealth #InsulinResistance #BrainHealth #CognitiveDecline #DementiaPrevention #KetonesForBrain #KetogenicScience #LowCarbScience #APOE4 #Neurodegeneration #BrainEnergy #MetabolicDisease #PreventAlzheimers #DrBenBikman #MetabolismMatters #Ketones #BrainMetabolism
Ben’s favorite yerba mate and fiber: https://ufeelgreat.com/usa/en/c/1BA884
Exogenous ketones: A high-quality option is the NSF-certified goBHB from Clean Form Nutrition, where you can use the code BEN10 for a 10% discount: https://cleanformnutrition.com/products/go-bhb
Ben’s favorite meal-replacement shake: https://gethlth.com (discount: BEN10)
Hosted on Acast. See acast.com/privacy for more information.
The Personal Fat Threshold Explained and Ethnicity’s Impact
2026/03/02
📢 Ask Dr. Bikman’s Digital Mind (multilingual):
https://benbikman.com/ben-bikmans-digital-ai-mind
📢 Dr. Bikman’s Community & Coaching Site: https://insuliniq.com
Topic:
Metabolic disease is driven more by fat cell size and adipose tissue dysfunction than by total body fat. Ethnicity, genetics, and personal fat storage capacity determine when fat becomes metabolically dangerous.
Summary:
Dr. Bikman explores a profound but underappreciated truth in metabolic health: it is not how much fat you have that determines disease risk — it is how your fat is stored and how large your fat cells become.
Using the metabolic paradox between the United States and Singapore as a starting point, Dr. Bikman explains why populations with dramatically different obesity rates can have nearly identical rates of type 2 diabetes. The key insight is that fat mass alone does not determine metabolic health. Instead, the size of individual fat cells and the body’s capacity to safely expand subcutaneous fat storage — what’s called the adipose expandability hypothesis — determines whether fat becomes harmful.
White adipose tissue can expand in two ways: hypertrophy or hyperplasia. Hypertrophic fat cells become insulin resistant, release excessive free fatty acids even in the presence of insulin, promote ectopic fat deposition in the liver, and trigger chronic inflammation through hypoxia and HIF-1α signaling. This cascade drives fatty liver disease, systemic insulin resistance, and eventually type 2 diabetes.
By contrast, hyperplastic expansion allows fat to be stored safely in small, metabolically healthy fat cells with normal vascularity and hormone signaling. This distinction explains why some individuals can carry more total fat yet remain metabolically healthy.
Next is the concept of a personal fat threshold, largely influenced by genetics and ethnicity. South and East Asian populations tend to have a lower threshold for safe subcutaneous fat storage, meaning metabolic dysfunction can occur at lower BMIs compared to Europeans or Africans. This makes universal BMI cutoffs inadequate for assessing risk across ethnic groups.
Finally, he discusses two more academic but mechanistically precise markers of fat cell health: the adiponectin-to-leptin ratio and the Adipo-IR index (fasting insulin × fasting free fatty acids).
The takeaway: metabolic risk is determined by fat cell biology, not simply fat mass.
References:
For complete show notes and references, we invite you to become an Insider subscriber. You’ll enjoy real-time, livestream Metabolic Classroom access which includes live Q&A with Ben after the lecture, unlimited access to Dr. Bikman’s Digital Mind, ad-free podcast episodes, show notes and references, and Ben’s Weekly Research Review Podcast. Learn more: https://www.benbikman.com
Timestamps (approximate):
01:00 — The U.S.–Singapore Metabolic Paradox
04:22 — Hypertrophy vs. Hyperplasia: Why Fat Cell Size Matters
07:52 — Insulin’s Anti-Lipolytic Role & Free Fatty Acids
10:04 — When High Insulin and High FFAs Coexist
12:19 — Ectopic Fat, Fatty Liver & the Diabetes Cascade
15:21 — Hypoxia, HIF-1α & Inflammatory Fat Cells
21:15 — The Adipose Expandability Hypothesis
25:40 — The Personal Fat Threshold Explained
32:06 — Why Universal BMI Cutoffs Fail
37:54 — The Adipo-IR Index & Measuring Fat Cell Dysfunction
NOTE: The information presented is not intended to be a substitute for professional medical advice, diagnosis, or treatment. Dr. Bikman is not a clinician—and, he is not your doctor. Always seek the advice of your own qualified health providers with questions you may have regarding medical conditions.
Ben’s favorite yerba mate and fiber: https://ufeelgreat.com/usa/en/c/1BA884
Exogenous ketones: A high-quality option is the NSF-certified goBHB from Clean Form Nutrition, where you can use the code BEN10 for a 10% discount: https://cleanformnutrition.com/products/go-bhb
Ben’s favorite meal-replacement shake: https://gethlth.com (discount: BEN10)
Hosted on Acast. See acast.com/privacy for more information.
How Bile Controls Insulin, GLP-1, and Fat Burning
2026/02/23
📢 Ask Dr. Bikman’s Digital Mind (multilingual):
https://benbikman.com/ben-bikmans-digital-ai-mind
📢 Dr. Bikman’s Community & Coaching Site: https://insuliniq.com
Topic:
Bile acids are powerful hormone-like signaling molecules that regulate liver fat, glucose production, insulin sensitivity, energy expenditure, inflammation, and GLP-1 release through FXR and TGR5 receptors. Gallbladder function and bile acid signaling play a far greater role in metabolic health than most people realize.
Summary:
Ben explores a largely overlooked metabolic regulator: bile acids. While bile is commonly understood as a digestive fluid that helps emulsify fats, bile acids are now recognized as powerful hormone-like signaling molecules that influence insulin sensitivity, mitochondrial function, thyroid hormone activation, inflammation, GLP-1 release, and fat cell behavior.
Dr. Bikman explains the remarkable efficiency of enterohepatic circulation, where bile acids are reabsorbed and recycled multiple times per day. This recycling process allows bile acids to interact with key receptors — FXR (a nuclear receptor) and TGR5 (a G-protein coupled receptor) — triggering metabolic effects throughout the body.
Activation of FXR reduces liver fat production, improves hepatic insulin sensitivity, lowers glucose output, and stimulates FGF19, which further suppresses excess glucose production. TGR5 activation increases energy expenditure via thyroid hormone activation in brown fat and muscle, stimulates GLP-1 release in the intestine, reduces inflammation in immune cells, and supports healthier adipose tissue signaling.
Ben also examines the metabolic consequences of gallbladder removal. Without the gallbladder’s concentrated, timed bile release, signaling patterns change, and epidemiological data suggest increased risk of metabolic syndrome and fatty liver. Finally, Dr. Bikman discusses bile supplements such as ox bile and TUDCA, reviewing mechanistic rationale and human data showing improved insulin sensitivity in certain contexts.
The overarching message: bile acids are not merely digestive detergents — they are among the most important and underappreciated metabolic signaling molecules in the body.
References:
For complete show notes and references, we invite you to become an Insider subscriber. You’ll enjoy real-time, livestream Metabolic Classroom access which includes live Q&A with Ben after the lecture, unlimited access to Dr. Bikman’s Digital Mind, ad-free podcast episodes, show notes and references, and Ben’s Weekly Research Review Podcast. Learn more: https://www.benbikman.com
NOTE: The information presented is not intended to be a substitute for professional medical advice, diagnosis, or treatment. Dr. Bikman is not a clinician—and, he is not your doctor. Always seek the advice of your own qualified health providers with questions you may have regarding medical conditions.
#BileAcids #MetabolicHealth #FXR #TGR5 #Gallbladder #Cholecystectomy #InsulinResistance #GLP1 #TUDCA #OxBile #FatDigestion #Mitochondria #EnergyExpenditure #LiverHealth #FattyLiver #Type2Diabetes #MetabolismScience #HormoneHealth #BrownFat #DrBenBikman
Ben’s favorite yerba mate and fiber: https://ufeelgreat.com/usa/en/c/1BA884
Exogenous ketones: A high-quality option is the NSF-certified goBHB from Clean Form Nutrition, where you can use the code BEN10 for a 10% discount: https://cleanformnutrition.com/products/go-bhb
Hosted on Acast. See acast.com/privacy for more information.
LDL Isn’t the Problem? The Real Drivers of Heart Disease
2026/02/16
📢 Ask Dr. Bikman’s Digital Mind (multilingual):
https://benbikman.com/ben-bikmans-digital-ai-mind
📢 Dr. Bikman’s Community & Coaching Site: https://insuliniq.com
Topic:
LDL cholesterol is a weak predictor of heart disease compared to markers of insulin resistance, metabolic syndrome, and the triglyceride-to-HDL ratio. True cardiovascular risk is driven far more by metabolic dysfunction than by cholesterol numbers alone.
Summary:
In this episode, Ben challenges the long-standing belief that LDL cholesterol is the primary driver of heart disease. While LDL has dominated cardiovascular conversations for decades, large-scale data show that nearly half of people hospitalized with heart disease have “normal” LDL levels.
Instead, the strongest predictors of cardiovascular risk — especially premature heart disease — are markers of metabolic dysfunction, particularly insulin resistance. Measures like the lipoprotein insulin resistance (LP-IR) score, type 2 diabetes status, metabolic syndrome, and even the simple triglyceride-to-HDL ratio dramatically outperform LDL cholesterol in predicting who will develop heart disease.
One of the most practical tools discussed is the triglyceride-to-HDL ratio, which can be calculated from a standard lipid panel. This ratio reflects underlying insulin resistance and small, dense LDL particles far better than LDL levels alone.
Dr. Bikman also reviews the modest benefits of statins in primary prevention and highlights a critical point: lowering LDL does not address the root metabolic dysfunction driving cardiovascular disease. In fact, statin use — particularly in women — may increase the risk of developing type 2 diabetes.
The takeaway is clear: cardiovascular prevention should shift from being LDL-centric to metabolism-centric. Insulin sensitivity, triglycerides, HDL, fasting insulin, and glycemic control are far more powerful indicators of risk than LDL cholesterol alone.
References:
For complete show notes and references, we invite you to become an Insider subscriber. You’ll enjoy real-time, livestream Metabolic Classroom access which includes live Q&A with Ben after the lecture, unlimited access to Dr. Bikman’s Digital Mind, ad-free podcast episodes, show notes and references, and Ben’s Weekly Research Review Podcast. Learn more: https://www.benbikman.com
NOTE: The information presented is not intended to be a substitute for professional medical advice, diagnosis, or treatment. Dr. Bikman is not a clinician—and, he is not your doctor. Always seek the advice of your own qualified health providers with questions you may have regarding medical conditions.
Ben’s favorite yerba mate and fiber: https://ufeelgreat.com/usa/en/c/1BA884
Exogenous ketones: A high-quality option is the NSF-certified goBHB from Clean Form Nutrition, where you can use the code BEN10 for a 10% discount: https://cleanformnutrition.com/products/go-bhb
Ben’s favorite meal-replacement shake: https://gethlth.com (discount: BEN10)
Hosted on Acast. See acast.com/privacy for more information.
Why Exercise Benefits Every Organ — Not Just Muscle
2026/02/09
📢 Ask Dr. Bikman’s Digital Mind (multilingual): https://benbikman.com/ben-bikmans-digital-ai-mind
📢 Dr. Bikman’s Community & Coaching Site: https://insuliniq.com
Topic:
Exercise prompts your muscles to release extracellular vesicles — tiny molecular packages that deliver health-boosting instructions to your brain, liver, fat, and more. These signals improve metabolism, reduce inflammation, and may even help reverse insulin resistance and obesity-related damage.
Summary:
Dr. Ben Bikman explains how extracellular vesicles (ECVs) — tiny biological packages released by cells — are revolutionizing our understanding of how exercise improves metabolic health. These vesicles act like molecular mail, delivering proteins, lipids, and microRNAs from one tissue to another, with effects that include improved insulin sensitivity, enhanced fat burning, and reduced inflammation.
When we exercise, our muscles and other tissues release more ECVs, which travel throughout the body delivering beneficial molecular signals to organs like the liver, brain, fat cells, and immune system. Different types of exercise (aerobic vs. resistance) and different intensities produce ECVs with distinct “cargo,” which helps explain the diverse benefits of various workout styles.
In conditions like obesity and type 2 diabetes, however, the story shifts. Dysfunctional tissues release harmful ECVs that can spread metabolic disease. Fortunately, exercise helps reverse this, replacing harmful signals with beneficial ones. Even brief bouts of exercise can shift this internal “conversation” in a healthier direction.
Ben closes by highlighting the future potential of ECV research: personalized exercise prescriptions, new biomarkers, and even therapeutic applications like “exercise in a bottle.” But until then, the takeaway is clear: exercise isn’t just about movement — it’s a system-wide signal for better health.
References:
For complete show notes and references, we invite you to become an Insider subscriber. You’ll enjoy real-time, livestream Metabolic Classroom access which includes live Q&A with Ben after the lecture, unlimited access to Dr. Bikman’s Digital Mind, ad-free podcast episodes, show notes and references, and Ben’s Weekly Research Review Podcast. Learn more: https://www.benbikman.com
NOTE: The information presented is not intended to be a substitute for professional medical advice, diagnosis, or treatment. Dr. Bikman is not a clinician—and, he is not your doctor. Always seek the advice of your own qualified health providers with questions you may have regarding medical conditions.
#MetabolicHealth #ExtracellularVesicles #ExerciseScience #InsulinResistance #MolecularHealth #DrBenBikman #MuscleHealth #CellCommunication #MetabolismMatters #FatBurning #BrownFat #microRNA #FitnessScience #HormoneHealth #HealthyLiving #BloodSugarBalance #ResistanceTraining #AerobicExercise #MetabolicTherapy #SystemicHealth
Ben’s favorite yerba mate and fiber: https://ufeelgreat.com/usa/en/c/1BA884
Exogenous ketones: A high-quality option is the NSF-certified goBHB from Clean Form Nutrition, where you can use the code BEN10 for a 10% discount: https://cleanformnutrition.com/products/go-bhb
Ben’s favorite meal-replacement shake: https://gethlth.com (discount: BEN10)
Ben’s favorite health check-up for men: https://blokes.co/drben15 (discount: DRBEN15)
Hosted on Acast. See acast.com/privacy for more information.
How Glucose Overload Breaks Your Metabolism (And How to Fix It)
2026/02/02
📢 Ask Dr. Bikman’s Digital Mind (multilingual):
https://benbikman.com/ben-bikmans-digital-ai-mind
📢 Dr. Bikman’s Community & Coaching Site: https://insuliniq.com
Topic:
This episode explores how the NAD⁺/NADH ratio acts as a key metabolic switch, where excess NADH—often driven by high glucose intake—leads to insulin resistance and cellular dysfunction. Ben highlights how lifestyle changes, not supplements, offer the most effective way to restore balance and protect metabolic health.
Summary:
In this mini lecture, Dr. Bikman explains the critical role of the NAD⁺ to NADH ratio in cellular metabolism and its link to insulin resistance.
NAD⁺ and NADH function like a cellular battery, cycling between charged and uncharged states to fuel energy production. However, when this balance tips toward excess NADH—as happens with chronic high glucose intake, aging, alcohol consumption, or inactivity—metabolic dysfunction follows.
Ben walks through the mechanisms by which a low NAD⁺/NADH ratio disrupts insulin signaling, including suppression of mitochondrial function, accumulation of harmful lipid intermediates (like ceramides), and increased oxidative stress. He also introduces the concept of "reductive stress," a pseudo-hypoxic state that cells enter when overwhelmed by glucose, leading to long-term damage and perpetuation of insulin resistance.
To improve this ratio and support better metabolic health, Dr. Bikman recommends five main lifestyle strategies: restricting refined carbohydrates, exercising regularly, practicing time-restricted eating, optimizing sleep, and reducing or eliminating alcohol.
While NAD⁺-boosting supplements like nicotinamide riboside show promise in animal models, their human effects remain limited—highlighting that lifestyle changes still provide the most reliable path to metabolic improvement.
References:
For complete show notes and references, we invite you to become an Insider subscriber. You’ll enjoy real-time, livestream Metabolic Classroom access which includes live Q&A with Ben after the lecture, unlimited access to Dr. Bikman’s Digital Mind, ad-free podcast episodes, show notes and references, and Ben’s Weekly Research Review Podcast. Learn more: https://www.benbikman.com
NOTE: The information presented is not intended to be a substitute for professional medical advice, diagnosis, or treatment. Dr. Bikman is not a clinician—and, he is not your doctor. Always seek the advice of your own qualified health providers with questions you may have regarding medical conditions.
Hosted on Acast. See acast.com/privacy for more information.
Why Your Cells Age (And What You Can Do About It)
2026/01/26
📢 Ask Dr. Bikman’s Digital Mind (multilingual):
https://benbikman.com/ben-bikmans-digital-ai-mind
📢 Dr. Bikman’s Community & Coaching Site: https://insuliniq.com
Topic:
Ben explains how AMPK and mTOR are critical regulators of aging and metabolism, and how their balance can be influenced by diet and lifestyle. Instead of drugs like rapamycin, strategies like carbohydrate restriction and ketosis offer a safer path to optimizing longevity.
Summary:
In this Metabolic Classroom mini lecture, Dr. Bikman explores two of the most important molecular “switches” that regulate how cells age, grow, and repair themselves: AMPK and mTOR.
These pathways operate in a delicate balance—AMPK promotes energy conservation, fat oxidation, and cellular cleanup (autophagy), while mTOR supports cellular growth and protein synthesis. When AMPK is up, mTOR is down, and vice versa.
Ben explains how modern lifestyles—especially chronic overnutrition and excess carbohydrate intake—shift this balance toward persistent mTOR activation, which may accelerate aging and metabolic disease. He critiques the growing popularity of rapamycin for longevity, citing its lack of human data and serious side effects, particularly reproductive harm. Instead, he proposes that simple lifestyle strategies—like carbohydrate restriction, ketosis, and supplementation with ketones like BHB—can more safely optimize the AMPK/mTOR balance.
He also highlights the importance of ketones as both energy sources and signaling molecules that can activate AMPK and stimulate autophagy. The lecture ends with a clear takeaway: longevity and metabolic health may not require pharmaceuticals, but rather informed choices around diet and lifestyle.
References:
For complete show notes and references, we invite you to become an Insider subscriber. You’ll enjoy real-time, livestream Metabolic Classroom access which includes live Q&A with Ben after the lecture, unlimited access to Dr. Bikman’s Digital Mind, ad-free podcast episodes, show notes and references, and Ben’s Weekly Research Review Podcast. Learn more: https://www.benbikman.com
NOTE: The information presented is not intended to be a substitute for professional medical advice, diagnosis, or treatment. Dr. Bikman is not a clinician—and, he is not your doctor. Always seek the advice of your own qualified health providers with questions you may have regarding medical conditions.
Hosted on Acast. See acast.com/privacy for more information.
Separating Nicotine from Smoking: Myths, Metabolism, and Medicine
2026/01/12
Listen ad-free by becoming an Insider: https://benbikman.com
Ask Dr. Bikman’s Digital Mind (multilingual): https://benbikman.com/ben-bikmans-digital-ai-mind
Dr. Bikman’s Community & Coaching Site, Insulin IQ: https://insuliniq.com
Nicotine may not be the addictive villain it's made out to be. When separated from cigarette smoke, it shows surprising anti-inflammatory and neurological potential.
Summary:
In this Metabolic Classroom mini lecture, Dr. Ben Bikman revisits the molecule nicotine—not as an endorsement to use it, but to explore its distinct effects when separated from harmful compounds in cigarettes.
Contrary to popular belief, nicotine alone is not highly addictive; tobacco additives like pyrazines likely amplify the addiction seen in cigarettes. Dr. Bikman details nicotine’s anti-inflammatory properties, particularly through activation of the alpha-7 nicotinic acetylcholine receptor, which may help conditions like ulcerative colitis, sepsis, and arthritis.
Ben also explores its complex effects on metabolism—such as increased thermogenesis and fat oxidation—while warning of potential insulin resistance with sustained use.
Lastly, he reviews fascinating clinical research suggesting therapeutic potential in conditions like ADHD, autism, Tourette’s syndrome, and even Alzheimer’s, all while emphasizing that nicotine, when separated from cigarette smoke, warrants more open scientific inquiry.
References:
For complete show notes and references, we invite you to become an Insider subscriber. You’ll enjoy real-time, livestream Metabolic Classroom access which includes live Q&A with Ben after the lecture, unlimited access to Dr. Bikman’s Digital Mind, ad-free podcast episodes, show notes and references, and online, live Office Hours access with Ben. It also includes Ben’s Weekly Research Review Podcast. Learn more: https://www.benbikman.com
NOTE: The information presented is not intended to be a substitute for professional medical advice, diagnosis, or treatment. Dr. Bikman is not a clinician—and, he is not your doctor. Always seek the advice of your own qualified health providers with questions you may have regarding medical conditions.
Hosted on Acast. See acast.com/privacy for more information.
The Hidden Power of Ketones: Fueling + Signaling
2026/01/05
Listen ad-free by becoming an Insider: https://www.benbikman.com
References:
For complete show notes and references, we invite you to become an Insider subscriber. You’ll enjoy real-time, livestream Metabolic Classroom access which includes live Q&A with Ben after the lecture, unlimited access to Dr. Bikman’s Digital Mind, ad-free podcast episodes, show notes and references, and online, live Office Hours access with Ben. It also includes Ben’s Weekly Research Review Podcast.
📢 Ask Dr. Bikman’s Digital Mind (multilingual):
https://benbikman.com/ben-bikmans-digital-ai-mind
📢 Dr. Bikman’s Community & Coaching Site, Insulin IQ: https://insuliniq.com
Topic Today:
Ketones, particularly BHB, aren’t just backup fuel—they’re powerful signals that affect inflammation, gene expression, and mitochondrial function. This episode shows how BHB acts like a hormone to enhance metabolic health and cellular resilience.
Summary:
In this episode of the Metabolic Classroom, Dr. Bikman explores the remarkable role of beta-hydroxybutyrate (BHB), the most abundant ketone body, as both a metabolic fuel and a cellular signaling molecule. While traditionally seen as mere backup energy, BHB is now recognized as a potent agent that influences gene expression, reduces inflammation, and protects mitochondrial function.
Ben unpacks the dual nature of BHB, describing how it activates specific receptors like GPR109A and FFAR3, modulates immune responses, and directly inhibits the NLRP3 inflammasome, a key player in chronic inflammation. He also highlights how BHB affects epigenetic regulation through HDAC inhibition, enhancing cellular resilience and antioxidant defenses.
The lecture concludes by tying these pathways together to show how ketones—whether produced endogenously or taken as supplements—convey a coordinated biological signal of adaptation and protection. This shift in understanding elevates ketones from mere “backup fuel” to central players in metabolic health.
NOTE: The information presented is not intended to be a substitute for professional medical advice, diagnosis, or treatment. Dr. Bikman is not a clinician—and, he is not your doctor. Always seek the advice of your own qualified health providers with questions you may have regarding medical conditions.
Ben’s favorite yerba mate and fiber: https://ufeelgreat.com/usa/en/c/1BA884
Exogenous ketones: A high-quality option is the NSF-certified goBHB from Clean Form Nutrition, where you can use the code BEN10 for a 10% discount: https://cleanformnutrition.com/products/go-bhb
Ben’s favorite meal-replacement shake: https://gethlth.com (discount: BEN10)
Ben’s favorite health check-up for men: https://blokes.co/drben15 (discount: DRBEN15)
Hosted on Acast. See acast.com/privacy for more information.
Podcast reviews
Read The Metabolic Classroom with Dr. Ben Bikman podcast reviews
Horst McElroy 2026/04/21
What an amazing teacher
Ben Bikman, you rock! I wish I had teachers in college as good as you, ;) keep it coming brother!
rpbaun 2025/09/05
Fantastic medical and biological podcast
I research in diabetes and obesity and Ben provides great info in the clinic as well as down to the molecular level. It is tough to get all of the inf...
Lucca20Two 2025/09/18
Facts w/ideology
He certainly understands and can explain human metabolism well. My issue is how he chooses to present certain information, things he glosses over, and...
UCChris 2025/05/03
Love your stuff
You changed the course of my journey towards health. Thank you for what you are doing.
PaulaHens 2025/03/31
Useful and a fun listen
Love this podcast. Great information and so applicable to every day life. I also love the way Dr. Bikman treats his guests. So polite.
Ale James 2025/02/17
Really like Ben Bikman explanation of Insulin Resistance
One of my favorite podcast, it has change the way I see things, I was so into it that I also got his book and it was excellent, I am halfway listening...
5578146 2024/12/31
Love this podcast!
Love this!!! Really relevant topics. Easy to understand; Dr Bikman breaks down complex issues well and takes time with explanations. Appreciate the v...
cathray2 2024/11/01
Fantastic podcast!!
Love this podcast. I don’t have a medical back ground - but the explanations in this podcast are easy to understand. I’ve listened to most of the ser...
Ruffdog113 2024/09/05
Incredible podcast.
Dr. Ben Bikman is an absolute gift to humanity. I’ve been fortunate enough to chat with him and meet him in person, and he is a wonderful human. this ...
Elisa Pool 2024/02/11
Educational & Empowering!
I appreciate Ben’s way of explaining the science so that we can not only understand but also apply that information to our lives - and spread the word...
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