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Curated by: Ben Bikman (139 videos)
📢 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 Translation Notes: You can click the gear icon at the bottom of this video to auto-translate captions. For example, to translate into Polish, select Subtitles, choose Auto-Translate, then first choose English, then choose Auto-Translate again, then choose Polish.) Also, Dr. Bikman’s Digital Mind can interact with you in many languages: https://benbikman.com/ben-bikmans-digital-ai-mind In addition, our channel has access to YouTube’s innovative “auto-dubbing” feature. The process supports translations from English into many languages, with more to come. Click on the gear icon, then choose “Audio track” to access. (This availability is often delayed several weeks or more, so check back often.) Timestamps (approximate): 00:55 — What NAD⁺/NADH Does in the Cell 02:08 — The Ratio as a Metabolic Indicator 03:33 — Overnutrition and Mitochondrial Overload 05:40 — Ceramides, Sirtuins, and Metabolic Dysfunction 06:44 — The Hexosamine Pathway and Protein Modification 07:54 — Pseudo-Hypoxia from Chronic Hyperglycemia 09:59 — The Polyol Pathway and Reductive Stress 11:13 — Glycolysis Backup and Further Damage 12:24 — Mitochondrial Overload → Superoxide → Insulin Resistance 13:26 — Dietary Carbs and NAD⁺ Depletion 14:35 — Aging, Alcohol, and Sedentary Living 15:43 — Five Lifestyle Fixes: Diet, Exercise, Fasting, Sleep, Alcohol 18:16 — NAD⁺ Supplements: Mechanisms and Hype 20:28 — Human Trials: What the Evidence Says 22:32 — Dosing, Bioavailability, and Industry Caution 24:38 — Summary: NAD⁺ Strategies That Actually Work 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. #NADplus #InsulinResistance #MetabolicHealth #Mitochondria #GlucoseMetabolism #LowCarbLiving #TimeRestrictedEating #Ceramides #Sirtuins #OxidativeStress #ReductiveStress #Hyperglycemia #PolyolPathway #FastingForHealth #BenBikman #CellularEnergy #NutritionScience #MitochondrialHealth #HealthyMetabolism #BiochemistryBasics 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)