135 films — 67 hours — from the researchers and physicians who work on this, in their own words and at length. Every video id was checked against YouTube before it shipped and every runtime was fetched rather than estimated. Nothing loads from Google until you press play — the thumbnails are served from this site, and the player only appears when you ask for it.
Essentials
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Play3 h 50 mAndrew HubermanThe Science of Eating for Health, Fat Loss & Lean Muscle | Dr. Layne NortonA physique scientist and a neuroscientist work through protein, energy balance, diet adherence, artificial sweeteners and supplements across nearly four hours.Why it’s worth itThe single most complete evidence-based nutrition conversation on YouTube. If you only have one long session, spend it here.
Play4 h 05 mAndrew HubermanTools for Nutrition & Fitness | Dr. Layne NortonThe practical companion to the above: how to structure intake, evaluate a claim, and decide what is worth measuring.Why it’s worth itTurns the theory of the longer episode into a way of thinking about your own diet.
Play1 h 24 mPeter Attia MD276 ‒ Special episode: Peter on longevity, supplements, protein, fasting, apoB, statins, & moreA wide-ranging special episode covering longevity, supplements, protein, fasting, apoB and statins.Why it’s worth itThe fastest way to understand how one of the most cited longevity physicians actually reasons across the whole field.
Play3 h 06 mAndrew HubermanDr. Andy Galpin: Optimal Nutrition & Supplementation for Fitness | Huberman Lab Guest SeriesAn exercise physiologist on nutrition and supplementation specifically for fitness and performance outcomes.Why it’s worth itUnusually rigorous about separating what is established from what is extrapolated, supplement by supplement.
Play11 minPeter Attia MDDiets: how to evaluate any diet including keto, carnivore, vegan & Mediterranean (AMA 75 sneak peek)A framework for evaluating any diet — keto, carnivore, vegan, Mediterranean — rather than an argument for one.Why it’s worth itTeaches the question to ask of the next diet you encounter, which outlasts any specific answer.
PlayNutrition Made Simple!I Studied Nutrition for 30 Years. Here’s What Actually Matters.A physician-scientist distils three decades of nutrition literature into the handful of dietary patterns that the evidence base actually supports, and explains why most headline findings do not survive scrutiny.Why it’s worth itIt is an unusually disciplined overview of how nutrition evidence is weighted, from a researcher who reads the primary papers rather than the press releases.
PlayThe Royal InstitutionThe harsh reality of ultra processed food - with Chris Van TullekenAn infectious diseases physician walks through the research on ultra-processed food — how the category is defined, what the metabolic-ward and cohort data show, and how industry funding shapes the literature.Why it’s worth itThe Royal Institution lecture format gives a contested public-health topic the depth and citation trail it deserves.
PlayHow To Academy ScienceUltra-Processed People: The Science Behind Food That Isn't Food | Dr Chris van Tulleken FULL EVENTThe full-length lecture behind Ultra-Processed People, covering food reformulation, marketing to children, and the epidemiology linking processed diets to chronic disease.Why it’s worth itIt is the most complete public presentation of the ultra-processed food argument by the researcher who popularised it.
PlayThe Burnes Center for Social ChangeFood Politics 2023 with Professor Marion Nestle: The Key IssuesThe NYU nutrition and food studies professor examines how lobbying, dietary guidelines committees and food industry funding shape what populations are told to eat.Why it’s worth itAlmost no other film in the library addresses the political economy sitting behind nutrition advice.
PlayFriedman School of Nutrition Science and PolicyHealthy Eating: Nutrition Facts, Myths, and Science Gaps with Dean MozaffarianThe Dean of Tufts' Friedman School separates settled nutrition findings from persistent myths and open research questions, then takes live audience questions.Why it’s worth itA sitting nutrition-school dean laying out where the science is genuinely uncertain is rare and valuable.
PlayKCL AlumniTim Spector at King's College London - The Diet MythThe King's College London epidemiologist presents the twin-study and microbiome work behind The Diet Myth, and why individuals respond so differently to identical meals.Why it’s worth itIt is the academic version of Spector's argument, delivered to his own university rather than a podcast audience.
PlayHarvard T.H. Chan School of Public HealthThe dangers of ultra-processed foodsA Harvard Chan School panel led by NIH metabolic researcher Kevin Hall reviews the controlled-feeding evidence on ultra-processed foods and the policy responses under discussion.Why it’s worth itIt pairs the scientist who ran the landmark metabolic-ward trial with the public-health specialists arguing over what to do about it.
PlayThe Real Truth About HealthDiet And Health: An Update, By Author: Walter C. Willett, M.D.The Harvard epidemiologist reviews decades of cohort data from the Nurses' Health Study and related programmes on how dietary patterns track with chronic disease.Why it’s worth itWillett is among the most cited scientists alive, and this is a full-length update in his own words.
PlayZOEFats and Oils: What's the Real Story? | Dr Sarah BerryThe King's College London lipid researcher explains how different dietary fats behave after a meal, what the postprandial data show, and where the saturated fat literature is genuinely unsettled.Why it’s worth itFats are the most argued-about macronutrient and Berry is one of the few researchers running the human trials.
PlayTEDx TalksDebunking the paleo diet | Christina Warinner | TEDxOUA Harvard molecular archaeologist uses dental calculus and ancient DNA to examine what humans actually ate across prehistory, and where popular ancestral-diet narratives depart from the record.Why it’s worth itIt brings hard archaeological evidence to a debate usually conducted on assertion alone.The library
Everything, by subject.
PlayProtein & muscle3 minAre you eating enough protein? | The Peter Attia Drive PodcastPeter Attia MDWhy the protein figure most people work from is a minimum rather than a target.Why it’s worth itA short, direct answer to the most common question in this whole section.
PlayProtein & muscle2 h 14 m224 ‒ Dietary protein: amount needed, ideal timing, quality, and more | Don Layman, Ph.D.Peter Attia MDA protein researcher on amount, timing, distribution across meals, and how source quality is assessed.Why it’s worth itDon Layman ran much of the underlying work. This is the primary source rather than a summary of it.
PlayProtein & muscle10 minThe current recommended dietary allowance (RDA) for protein is too low | Don Layman & Peter AttiaPeter Attia MDThe argument that the recommended dietary allowance for protein is set too low.Why it’s worth itExplains what the RDA was actually derived to do — prevent deficiency, not optimise anything.
PlayProtein & muscle16 minUnanswered questions about protein intake and health | Peter Attia & David AllisonPeter Attia MDThe open questions about protein intake and long-term health that remain unresolved.Why it’s worth itA researcher stating plainly what is not known. Rarer, and more useful, than another confident answer.
PlayProtein & muscle13 minEffects of a high vs low protein diet | Peter Attia & Matt KaeberleinPeter Attia MDA biogerontologist and a physician on the tension between high protein for muscle and the longevity literature.Why it’s worth itThis is the genuine disagreement at the heart of the protein question, argued by two people qualified to have it.
PlayProtein & muscle9 minHow to get enough of the right kind of protein in your diet | Peter Attia and Rhonda PatrickPeter Attia MDProtein quality, sources and how to reach a target from ordinary food.Why it’s worth itPractical without being prescriptive, and covers plant sources properly.
PlayProtein & muscle2 h 01 m369 ‒ Rethinking protein needs for muscle and longevity, and the benefits of creatine & sauna usePeter Attia MDA revisiting of protein requirements for muscle and longevity, plus creatine and sauna.Why it’s worth itA recent update to positions taken years earlier — useful for seeing how a view changes with evidence.
PlayProtein & muscle1 h 50 mStuart Phillips, PhD, on Building Muscle with Resistance Exercise and Reassessing Protein IntakeFoundMyFitnessOne of the most published muscle physiology researchers on resistance exercise and reassessing protein intake.Why it’s worth itStuart Phillips co-authored several papers in this section’s research library. Hear the reasoning behind them.
PlayProtein & muscle1 h 27 mOptimizing Protein Intake with Prof. Stuart PhillipsDr. Laurent BannockA technical interview on optimising protein intake, aimed at practitioners.Why it’s worth itThe most granular treatment of protein distribution and dose in the library.
PlayProtein & muscle11 minNutrition advice for gaining muscle | Peter Attia and Layne NortonPeter Attia MDWhat actually changes in a diet when the goal is gaining muscle rather than losing fat.Why it’s worth itShort, and corrects the common assumption that a surplus should be large.
PlayProtein & muscle1 h 11 mProtein for Muscle Gain, Fat Loss & Longevity | Dr. Gabrielle LyonHigh Intensity HealthThe muscle-centric argument: that muscle mass is the organ of longevity and protein intake follows from that.Why it’s worth itThe clearest statement of a position that reframes protein as a healthspan question rather than a physique one.
PlayProtein & muscle58 minDr. Gabrielle Lyon | Protein, Muscle, Cancer, Ozempic | Ep. 213Danica PatrickA long interview covering protein, muscle, cancer risk and GLP-1 medications.Why it’s worth itConnects the protein conversation to the metabolic drugs currently reshaping it.
PlayEnergy balance & fat loss3 h 18 m205 - Energy balance, nutrition, & building muscle | Layne Norton, Ph.D. (Pt.2)Peter Attia MDEnergy balance, nutrition and muscle building, in the second part of a long conversation.Why it’s worth itThe most careful treatment of what energy balance does and does not claim, from someone who researches it.
PlayEnergy balance & fat loss5 minAre all calories created equal? | Peter Attia and Layne NortonPeter Attia MDWhether a calorie from one macronutrient is equivalent to a calorie from another.Why it’s worth itAnswers the question people think they are asking, and then the one they actually are.
PlayEnergy balance & fat loss7 minWhat is the ‘best’ weight loss strategy? | Peter Attia, M.D. & Layne Norton, Ph.D.Peter Attia MDWhat the comparative trial evidence says about which weight-loss strategy is best.Why it’s worth itThe honest answer — adherence dominates — with the evidence for why.
PlayEnergy balance & fat loss14 minAre high protein diets effective for fat loss? | Peter Attia and Don LaymanPeter Attia MDWhether higher protein intakes improve fat-loss outcomes specifically.Why it’s worth itDirectly parallels the Longland trial cited in this section’s research library.
PlayEnergy balance & fat loss17 minThe benefits of tracking what you eat | Peter Attia with Layne NortonPeter Attia MDThe case for tracking food intake, and what it is actually useful for.Why it’s worth itPair it with the next video, which argues the opposite. Both are by the same researcher.
PlayEnergy balance & fat loss8 minThe Imperfections of Calorie Counting | What the Fitness | BiolayneDr. Layne NortonWhere calorie counting breaks down: label error, absorption, and measurement noise.Why it’s worth itThe same scientist arguing against the practice he elsewhere defends. That is what good evidence use looks like.
PlayEnergy balance & fat loss6 minCalorie Deficits Don't Work for Women?! | What the Fitness | BiolayneDr. Layne NortonA response to the claim that calorie deficits work differently in women.Why it’s worth itA worked example of taking a widely repeated claim and checking it against data.
PlayEnergy balance & fat loss3 minThe metabolic benefits of exercise, muscle mass, and protein intake | Peter Attia and Layne NortonPeter Attia MDHow exercise, muscle mass and protein intake interact with metabolic health.Why it’s worth itConnects body composition to metabolic outcomes rather than treating it as appearance.
PlayFasting & meal timing2 h 26 mEffects of Fasting & Time Restricted Eating on Fat Loss & Health | Huberman Lab Podcast #41Andrew HubermanThe full treatment of time-restricted eating: circadian biology, what the trials show, and what they do not.Why it’s worth itThe most complete single explanation of fasting mechanisms available for a general audience.
PlayFasting & meal timing38 minEffects of Fasting & Time Restricted Eating on Fat Loss & Health | Huberman Lab EssentialsAndrew HubermanA condensed version of the same material.Why it’s worth itThe same ground in a third of the time, if the full episode is more than you want.
PlayFasting & meal timing2 h 49 mIntermittent Fasting to Improve Health, Cognition & Longevity | Dr. Satchin PandaAndrew HubermanThe researcher who established much of the circadian eating literature, on fasting for health, cognition and longevity.Why it’s worth itSatchin Panda ran the foundational work. This is the source, not a summary of it.
PlayFasting & meal timing1 h 32 mDr. Satchin Panda on Time-Restricted Feeding and Its Effects on Obesity, Muscle Mass & Heart HealthFoundMyFitnessTime-restricted feeding and its effects on obesity, muscle mass and heart health.Why it’s worth itA more technical interview with the same researcher, for anyone who wants the mechanisms.
PlayFasting & meal timing1 h 18 mValter Longo, Ph.D. on Fasting-Mimicking Diet & Fasting for Longevity, Cancer & Multiple SclerosisFoundMyFitnessThe fasting-mimicking diet and fasting protocols studied for longevity and disease.Why it’s worth itValter Longo’s own account of a body of work frequently cited second-hand and badly.
PlayFasting & meal timing5 minLessons Learned From Fasting: Hunger vs. Appetite | Peter Attia, M.D. & Layne Norton, Ph.D.Peter Attia MDThe distinction between hunger and appetite, and what fasting reveals about it.Why it’s worth itA short conceptual clarification that changes how the rest of the fasting literature reads.
PlayFasting & meal timing15 minDEXA scans, protein, time-restricted feeding, fasting & more [AMA 40 sneak peek] | Peter Attia, M.D.Peter Attia MDDEXA scanning, protein, time-restricted feeding and fasting in a listener-question format.Why it’s worth itCovers the measurement side — how body composition is actually assessed — which little else here does.
PlayMicronutrients & supplements36 minEssentials: Micronutrients for Health & Longevity | Dr. Rhonda PatrickAndrew HubermanMicronutrients for health and longevity, condensed into an essentials episode.Why it’s worth itThe best starting point on micronutrients in the library, and the shortest.
PlayMicronutrients & supplements52 minHow Micronutrients & Exercise Ameliorate Aging | Dr. Rhonda PatrickFoundMyFitnessHow micronutrient status and exercise interact with biological ageing.Why it’s worth itConnects micronutrients to ageing biology rather than treating them as a checklist.
PlayMicronutrients & supplements1 h 00 mHow Vitamin D, Omega-3s, & Exercise May Increase Longevity | Dr. Rhonda PatrickFoundMyFitnessVitamin D, omega-3s and exercise examined against longevity outcomes.Why it’s worth itCovers the two most-supplemented nutrients with attention to what the trials actually found.
PlayMicronutrients & supplements8 minThe Powerful Longevity Benefits of Omega-3 | Dr. Rhonda PatrickFoundMyFitness ClipsA short summary of the omega-3 and longevity evidence.Why it’s worth itEight minutes for the headline of a large literature.
PlayMicronutrients & supplements4 minHow to Choose a Fish Oil Supplement | Dr. Rhonda PatrickFoundMyFitness ClipsHow fish oil supplements differ, and what to look at when comparing them.Why it’s worth itPractical product literacy, without recommending a brand.
PlayMicronutrients & supplements1 h 50 mDr. Bill Harris on the Omega-3 Index: Increasing Omega-3 to Promote Longevity & Transform HealthFoundMyFitnessThe researcher behind the Omega-3 Index on measuring omega-3 status rather than intake.Why it’s worth itIntroduces the idea of measuring a biomarker instead of guessing from diet — the more rigorous approach.
PlayMicronutrients & supplements2 h 02 m#83 – Bill Harris, Ph.D.: Omega-3 fatty acidsPeter Attia MDA two-hour technical conversation on omega-3 fatty acids with the same researcher.Why it’s worth itThe deepest treatment of a single nutrient anywhere in this library.
PlayMicronutrients & supplements2 h 01 mDeveloping a Rational Approach to Supplementation for Health & Performance | Huberman Lab PodcastAndrew HubermanA framework for deciding whether any given supplement is worth taking at all.Why it’s worth itStarts from "what problem would this solve" rather than from a product list.
PlayMicronutrients & supplements13 minDeep dive into creatine: benefits, risks, dose, mechanism of action | Peter Attia with Layne NortonPeter Attia MDCreatine: what it does, the mechanism, the risk profile and the state of the evidence.Why it’s worth itPairs with the ISSN creatine position stand cited in this section’s research library.
PlayGut health & fibre2 h 15 mHow to Build, Maintain & Repair Gut Health | Dr. Justin SonnenburgAndrew HubermanA Stanford microbiologist on building and repairing gut health, including the fermented-food trial his lab ran.Why it’s worth itThe primary source for the Cell trial cited in this section’s research library.
PlayGut health & fibre35 minEssentials: Build a Healthy Gut Microbiome | Dr. Justin SonnenburgAndrew HubermanThe condensed version of the same conversation.Why it’s worth itSame researcher, a quarter of the runtime.
PlayGut health & fibre5 minFiber: The Hack to Living Longer | Educational Video | Layne Norton PhDDr. Layne NortonWhy fibre shows up so consistently in the mortality literature.Why it’s worth itFive minutes on the single most consistent dietary finding in this whole section.
PlayMetabolic health & longevity2 h 25 m375 - The ketogenic diet, ketosis, and hyperbaric oxygen: weight loss, cognition, cancer, and morePeter Attia MDKetosis, the ketogenic diet and hyperbaric oxygen examined for weight, cognition and cancer.Why it’s worth itDom D’Agostino on his own research area, with a physician pushing back throughout.
PlayMetabolic health & longevity33 minHow Foods & Nutrients Control Our Moods | Huberman Lab EssentialsAndrew HubermanHow foods and nutrients influence mood and brain function.Why it’s worth itThe nutrition-and-brain material, which most nutrition libraries leave out entirely.
PlayMetabolic health & longevity3 h 08 mJoe Rogan Experience #1054 - Dr. Rhonda PatrickPowerfulJREA wide-ranging conversation on micronutrients, ageing, sauna, cold and the biology underneath each.Why it’s worth itThe interview that introduced a very large audience to nutritional biochemistry.
PlayMetabolic health & longevity2 h 48 mJoe Rogan Experience #1178 - Dr. Rhonda PatrickPowerfulJREA follow-up covering fasting, diet and metabolic health.Why it’s worth itContinues the previous conversation with more attention to fasting specifically.
PlayWhere the experts disagree12 minSeed Oils Make Your Fat Cells Sick | What the Fitness | BiolayneDr. Layne NortonAn examination of the claim that seed oils damage metabolic health.Why it’s worth itTakes the most viral nutrition claim of recent years and works through the actual trial evidence.
PlayWhere the experts disagree8 minAre Processed Seed Oils Better Than Saturated Fats? | What the Fitness | Layne Norton PhDDr. Layne NortonA direct comparison of processed seed oils against saturated fats.Why it’s worth itThe comparison that matters, since replacing one fat means eating another.
PlayWhere the experts disagree14 min3 things in nutrition Layne changed his views on | Peter Attia, M.D. w/ Layne Norton, Ph.D.Peter Attia MDThree positions a nutrition scientist has publicly reversed.Why it’s worth itThe most valuable video in this library. Watching an expert say they were wrong is the best available lesson in how to read the rest.
PlayWhere the experts disagree15 minThe Calories Expert “You’re WRONG About Artificial SUGAR!” | Dr Layne NortonThe Diary Of A CEO ClipsArtificial sweeteners, calories and the quality of the evidence behind the scare stories.Why it’s worth itA worked example of tracing a widely repeated claim back to what the studies actually did.
PlayWhere the experts disagree3 h 00 mJoe Rogan Experience #1176 - Dom D'Agostino & Layne NortonPowerfulJREA ketogenic diet researcher and a physique scientist in the same room, disagreeing at length.Why it’s worth itThree hours of two experts with genuinely different models arguing it out. Rare, and more instructive than either alone.
PlayWhere the experts disagree3 h 25 mThe ULTIMATE Nutrition, Diet And Fitness DEEP DIVE | Layne Norton X Rich Roll PodcastRich RollA long deep dive across nutrition, dieting, supplements and fitness culture.Why it’s worth itThe broadest single conversation here, and a good closing survey of the whole territory.
PlayMetabolic health & longevity14 minHow To Make My Anti-Aging Meals (Live to 120+)Bryan JohnsonThe Blueprint founder prepares his daily longevity meals, ingredient by ingredient.Why it’s worth itA concrete look at what an all-in, measurement-driven longevity diet looks like on a plate — one person’s protocol, not a prescription.
PlayMetabolic health & longevity1 h 08 mWhat to Eat & When to Eat for Longevity: New Science | Lifespan with Dr. David Sinclair - S2, Ep. 3David SinclairA Harvard geneticist on what and when to eat for longevity, and the science behind it.Why it’s worth itThe meal-timing and fasting-window question, from a researcher who works on the pathways underneath it.
PlayMetabolic health & longevity31 minEric Topol’s Big Idea: Controlling How Well We AgeStanford MedicineA cardiologist-researcher on the evidence for extending healthspan through diet, lifestyle and prevention.Why it’s worth itThe most academically grounded voice here on ageing, weighing what the trial evidence does and does not support.
PlayMetabolic health & longevity1 h 08 mBen Greenfield: Proven Tricks to Enhance Longevity (Full Keynote Presentation)HOLOLIFE Summit (Biohacker Summit)A conference keynote surveying nutrition, training and lifestyle tactics aimed at longevity.Why it’s worth itA broad practical survey from the performance-and-biohacking end of the field — best read as one practitioner’s synthesis.
PlayProtein & muscleWorld-Leading Muscle Researcher: How Much Protein Per Meal Actually Builds Muscle? | EP#399The Proof with Simon HillThe Maastricht physiologist discusses his laboratory's work on protein quantity per meal, protein quality, and how resistance training alters the muscle protein synthetic response.Why it’s worth itVan Loon's group produced much of the underlying data the protein debate is argued from.
PlayProtein & muscleAnabolic Resistance of Ageing | Prof Luc van LoonNUS MedicineAn academic lecture on anabolic resistance — why ageing muscle responds less strongly to dietary protein and physical loading than younger muscle does.Why it’s worth itThis is the mechanistic seminar version, aimed at clinicians rather than a general audience.
PlayProtein & muscleScience of Growth, Hypertrophy and Building Muscle w/ Brad Schoenfeld - 289Barbell ShruggedA long-form conversation covering training volume, frequency and the nutritional inputs studied alongside resistance training in hypertrophy research.Why it’s worth itIt is the accessible companion to Schoenfeld's technical work, and one of the most watched interviews he has given.
PlayProtein & muscleEp 340 - Protein: Valuable, But OvervaluedMASS Research ReviewTwo researchers from the MASS review discuss why the measured effect of higher protein intakes on muscle gain is real but considerably smaller than the fitness field assumes.Why it’s worth itA rare argument for restraint on protein, made by people who research it professionally.
PlayProtein & muscleThe Best Diet for Maximum Muscle Growth (ft. Dr. Eric Helms)Dr. Milo WolfA structured walk through what the training and nutrition literature says about diet composition when the goal is maximising muscle growth.Why it’s worth itHelms is a competitive athlete and a published researcher, and the film keeps the two roles clearly separated.
PlayProtein & muscleWhy Muscle Doesn’t Respond: Protein Efficiency, Obesity & Resistance Training | Dr. Nick BurdDr. Gabrielle LyonThe Illinois researcher explains protein efficiency — why identical protein intakes produce different muscle responses depending on adiposity, food matrix and training status.Why it’s worth itBurd's food-matrix work complicates the simple gram-per-kilogram framing most protein content relies on.
PlayProtein & muscleProtein, Muscle and Inactivity: Projecting Muscle Health During Aging by Douglas Paddon-Jones, PhD.The University of Texas Medical BranchA university lecture on how short periods of inactivity affect muscle mass in older adults, and what the protein and ageing literature projects over a lifetime.Why it’s worth itThe bed-rest and disuse data he presents are the clearest illustration of how quickly muscle is lost and how slowly it returns.
PlayProtein & muscleDo you really need 1.5g/lb of protein to maximize gains?Menno HenselmansA close reading of the dose-response literature on protein intake, examining where the commonly quoted high-intake figures came from and how well they hold up.Why it’s worth itIt interrogates a number the fitness industry repeats without ever sourcing.
PlayProtein & muscleMuscle Protein Synthesis with Jorn TrommelenSchool Of Muscle PodcastThe Maastricht muscle metabolism researcher covers the leucine threshold, the refractory period, and whether protein distribution across the day matters as much as total intake.Why it’s worth itTrommelen works on the measurement methods themselves, so he is unusually precise about what the studies can and cannot show.
PlayEnergy balance & fat lossThe Most Honest Man In Nutrition Research | Kevin Hall PhDDoctor MikeThe NIH metabolic researcher discusses his controlled-feeding trials, how energy balance is actually measured in a metabolic ward, and the limits of what free-living diet studies can establish.Why it’s worth itHall's inpatient trials are the highest-quality causal evidence in human nutrition and he explains their design plainly.
PlayEnergy balance & fat lossDariush Mozaffarian, Dietary priorities for preventing obesity – are all calories created equal?"HNRCAA research seminar examining whether calorie sources differ in their effects on weight regulation, and what the trial and cohort evidence shows about food quality versus quantity.Why it’s worth itIt takes the 'a calorie is a calorie' question seriously in both directions rather than settling it rhetorically.
PlayEnergy balance & fat lossHow We Got the Science of Weight Loss Wrong - with Giles YeoThe Royal InstitutionThe Cambridge obesity geneticist explains the biology of appetite regulation and why body-weight science has been persistently misread by the public and the diet industry.Why it’s worth itYeo is one of the clearest public communicators of the genetics underlying appetite, and the lecture is superbly staged.
PlayEnergy balance & fat lossWhy calories don’t count! | Obesity scientist Professor Giles YeoZOEA conversation on why calorie labels are systematically imprecise — covering the Atwater factors, food processing, and differences in digestion and absorption.Why it’s worth itIt explains a measurement problem sitting underneath almost every weight-management discussion.
PlayEnergy balance & fat lossHealthy as a Hunter-Gatherer: Diet, Activity, and Energy in Humans | Assoc Prof Herman PontzerNUS MedicineThe Duke evolutionary anthropologist presents doubly-labelled-water data from hunter-gatherer populations and what it reveals about how human energy expenditure is regulated.Why it’s worth itPontzer's constrained-expenditure findings overturned a long-standing assumption about exercise and energy balance.
PlayEnergy balance & fat lossDr. Herman Pontzer: How We Really Burn Calories & Lose WeightAndy GalpinA long-form discussion of how the body budgets energy across activity, immune function and reproduction, and why exercise does not add to daily expenditure as simply as expected.Why it’s worth itThe interview format draws out the implications of Pontzer's field data for everyday assumptions about burning calories.
PlayEnergy balance & fat lossObesity; Old Solutions for a New ProblemStephan GuyenetThe obesity researcher traces how the brain's regulation of body fat was worked out, and what the historical and modern evidence suggests about why populations gained weight.Why it’s worth itGuyenet approaches obesity as a neuroscience problem rather than a willpower one, which reframes the whole category.
PlayEnergy balance & fat lossCauses of Insulin Resistance: The Personal Fat ThresholdNourished by ScienceA referenced review of the personal fat threshold hypothesis — the idea that individuals differ in how much adipose tissue they can store before metabolic problems appear.Why it’s worth itKratz cites every study on screen, making it possible to check the argument rather than take it on trust.
PlayEnergy balance & fat lossWhy Did I Eat That? Obesity and the Neuroscience of Food CravingBrain & Behavior Research FoundationA University of Michigan neuroscientist presents research on how food cues drive eating behaviour independently of hunger, and how that circuitry differs between individuals.Why it’s worth itIt addresses the neurobiology of craving, which most energy-balance content skips entirely.
PlayFasting & meal timingMark Mattson | The Intermittent Fasting Revolution | Talks at GoogleTalks at GoogleThe former NIA neuroscience chief reviews the animal and human literature on intermittent fasting, metabolic switching and their studied effects on brain physiology.Why it’s worth itMattson largely founded this research area, and the talk lays out both the strong and the speculative parts of it.
PlayFasting & meal timingWhy fasting bolsters brain power: Mark Mattson at TEDxJohnsHopkinsUniversityTEDx TalksA short talk on the evolutionary rationale for intermittent energy restriction and the laboratory findings on fasting and cognitive function.Why it’s worth itOne of the most watched nutrition science talks ever recorded, and the origin point for much of the public interest in fasting.
PlayFasting & meal timingIntermittent Fasting: Is It for You?UIC Alumni AssociationThe University of Illinois Chicago researcher describes the main fasting protocols studied in trials, what the weight and metabolic outcomes have been, and the safety signals reported.Why it’s worth itVarady has run more randomised fasting trials than almost anyone, and she is candid about the modest effect sizes.
PlayFasting & meal timingDr. Krista Varady—Does Human Research on Intermittent Fasting Support Longevity?InsideTrackerAn interview examining whether the human evidence on intermittent fasting supports the longevity claims made for it, as distinct from its weight effects.Why it’s worth itIt separates a well-studied short-term intervention from the long-term claims layered on top of it.
PlayFasting & meal timingHow to time your meals & optimize metabolism: Courtney Peterson, Ph.D. | mbg Podcastthe mindbodygreen podcastThe UAB researcher discusses early time-restricted eating trials, circadian influences on metabolism, and how meal timing has been tested in controlled settings.Why it’s worth itPeterson designed the tightly controlled feeding trials that the meal-timing field rests on.
PlayFasting & meal timingEpisode 6 – Courtney Peterson: Intermittent Fasting (PreSCRIPPSion Sound Podcast)Scripps ResearchA research institute podcast in which Peterson explains what intermittent fasting studies have measured, where the results conflict, and what remains untested.Why it’s worth itThe academic setting keeps the discussion close to the data and free of protocol advice.
PlayFasting & meal timingValter Longo on Fasting-Mimicking Diets and LongevityStanford Department of MedicineThe USC gerontologist presents the preclinical and clinical work behind fasting-mimicking diets, including their study in ageing and disease models.Why it’s worth itIt is Longo presenting to a medical school audience rather than a general one, with the caveats intact.
PlayFasting & meal timingDr. Emily Manoogian - Time-Restricted Eating (TRE). Performance Around the Clock episode 23.Performance Around the Clock w Dr. Satchin PandaThe Salk Institute circadian researcher discusses her trials of time-restricted eating in adults with metabolic syndrome and how adherence is actually measured.Why it’s worth itManoogian works on the clinical trials directly, so she is precise about what the studies did and did not show.
PlayFasting & meal timing167: Danny Lennon - Chrono-Nutrition and the Circadian RhythmRevive StrongerThe Sigma Nutrition host examines chrono-nutrition — how circadian biology intersects with meal timing, and how much of the effect is timing versus total intake.Why it’s worth itLennon runs one of the most methodologically careful nutrition podcasts, and this is a clear-headed take on a hyped topic.
PlayFasting & meal timingIs There an Easy Way to Lose Weight by Dr. Ethan WeissBeth Israel Deaconess Medical Center (BIDMC)The UCSF cardiologist uses his own randomised trial of time-restricted eating to explain why control groups and randomisation matter so much in nutrition research.Why it’s worth itA researcher walking through a trial that did not confirm his hypothesis is the best possible lesson in evidence.
PlayMicronutrients & supplementsVitamins and Supplements: An Evidence-Based ApproachUniversity of California Television (UCTV)A UCSF physician reviews the trial evidence on common vitamin and mineral supplements, covering where benefit has been demonstrated and where harm signals have appeared.Why it’s worth itA systematic, unhurried appraisal of the supplement literature from a university medicine department.
PlayMicronutrients & supplementsHow VITAL are Vitamin D and Omega-3s for Cardiometabolic Health?Osher Center for Integrative MedicineThe Harvard preventive medicine chief presents results from the VITAL randomised trial of vitamin D and marine omega-3s and what the pre-specified endpoints showed.Why it’s worth itManson led the largest randomised supplement trial ever run, and this is her own reading of it.
PlayMicronutrients & supplementsHarvard: The 4-Year Study That Froze Aging For 3 Years | Dr JoAnn MansonModern HealthspanAn interview on the ancillary VITAL findings, including the biological-ageing and telomere analyses, and how to interpret secondary outcomes responsibly.Why it’s worth itIt shows a trialist being careful about exactly the sort of secondary result that supplement marketing seizes on.
PlayMicronutrients & supplementsTransform Your Health by Understanding Micronutrients | Chris Masterjohn PhDDr. Gabrielle LyonA detailed conversation on vitamin and mineral biochemistry — how status is assessed, why deficiencies are missed, and where laboratory markers mislead.Why it’s worth itMasterjohn works at the biochemical level most nutrition content never reaches.
PlayMicronutrients & supplementsUniversity Lecture: The D-Lightful Vitamin D for Health by Michael F. HolickBoston UniversityA Boston University lecture on vitamin D physiology: synthesis in skin, hepatic and renal activation, and the observational and trial literature on status and health.Why it’s worth itThe full biochemical foundation of a nutrient that is discussed constantly and understood rarely.
PlayMicronutrients & supplementsEp. 142- Myths and Facts About Creatine (New Research ft. Dr. Darren Candow)Iron Culture PodcastThe Regina researcher separates the well-replicated creatine findings from the folklore, covering the studied outcomes in muscle, bone and cognition research.Why it’s worth itCandow has published on creatine for over two decades and is direct about which claims lack support.
PlayMicronutrients & supplementsHEADS UP FOR CREATINE (w/ Dr. Darren Candow) | KHS Research Seminar SeriesUniversity of Regina Kinesiology & Health StudiesA university research seminar reviewing the creatine and brain literature, including the concussion and cognitive-ageing studies and their methodological limits.Why it’s worth itThe seminar format lets him show the actual data rather than summarise it.
PlayMicronutrients & supplementsNutritional Value Score: We Rated 289 Foods From 1 to 100 — #1 Will Surprise You | Flaminia OrtenziTy BealA nutrition scientist explains how a nutrient-density scoring system was built across 289 foods, the trade-offs in its design, and what the rankings reveal.Why it’s worth itIt makes the methodological choices behind food rankings visible instead of presenting a league table as fact.
PlayMicronutrients & supplementsGlobal nutrient adequacies with Ty Beal, PhD – Diet Doctor PodcastDiet DoctorA discussion of global micronutrient adequacy — which vitamins and minerals are most commonly under-consumed worldwide and how those estimates are derived.Why it’s worth itIt reframes micronutrients as a population-level measurement problem rather than a supplement shopping list.
PlayMicronutrients & supplementsSymposium 14, Vitamin D and immunity: Chantel MathieuEuropean Society of EndocrinologyAn endocrinology symposium presentation on vitamin D and immune function, reviewing the mechanistic case alongside the disappointing randomised trial results.Why it’s worth itThe gap between plausible mechanism and null trials is the central lesson of modern supplement science.
PlayGut health & fibreWhat Role Does our Microbiome Play in a Healthy Diet? - with Tim SpectorThe Royal InstitutionThe Royal Institution lecture on how gut microbial communities interact with diet, why diversity varies so widely between people, and what the twin studies revealed.Why it’s worth itThe best-produced public lecture on the microbiome available, from a researcher with the cohort data behind him.
PlayGut health & fibreYour Microbiome: What Is It, and How Can It Help or Hurt You?StanfordThe Stanford microbiologist explains how Western dietary patterns reshape the gut microbiota across generations, drawing on his laboratory's mouse and human work.Why it’s worth itSonnenburg's generational depletion experiments are among the most striking findings in microbiome science.
PlayGut health & fibreDiet as a Lever to Improve Your Microbiome and HealthStanford Center for Clinical ResearchA Stanford lecture on using diet as an experimental lever on the microbiome, including the design of the fibre and fermented-food intervention trials.Why it’s worth itIt is the trial-design side of the Sonnenburg lab's work, presented by the researcher who ran it.
PlayGut health & fibreThe Mind-Gut Connection: Conversation Within Our Bodies | Emeran Mayer, MD, PhD | UCLAMDChatUCLA HealthThe UCLA gastroenterologist describes bidirectional signalling between gut and brain, the role of microbial metabolites, and what the human imaging studies show.Why it’s worth itMayer built the clinical research programme this entire field grew out of.
PlayGut health & fibreThe Gut-Brain Connection, with Emeran MayerStarTalkA wide-ranging conversation on the gut-brain axis, covering microbial diversity, stress physiology and the limits of current causal evidence in humans.Why it’s worth itThe interviewer pushes hard on mechanism, which keeps a much-hyped topic honest.
PlayGut health & fibreConnecting our dynamic gut microbiomes to the brain- Rob Knight, UC San DiegoThe Qualcomm InstituteThe UC San Diego microbiome scientist explains how gut communities are sequenced and catalogued, and what large-scale datasets suggest about diet, disease and the brain.Why it’s worth itKnight built the sequencing infrastructure most microbiome studies now depend on.
PlayGut health & fibreFeeding Your Microbiome: Dietary Strategies for Wellness and Disease PreventionUniversity of California Television (UCTV)A Stanford physician-scientist reviews the evidence on dietary strategies studied for microbiome health, and which associations have and have not been tested in humans.Why it’s worth itIt is a clinician's appraisal, careful to mark the boundary between association and demonstrated effect.
PlayGut health & fibreGut Health Expert Reveals How to Boost Your MicrobiomeNew ScientistThe King's College London researcher explains what the microbiome is, how dietary fibre and plant diversity have been studied, and what gut-health marketing gets wrong.Why it’s worth itRossi combines an active research post with unusual clarity about the commercial claims surrounding gut health.
PlayGut health & fibreOPTIMIZE YOUR MICROBIOME | DR. WILL BULSIEWICZ X Rich Roll PodcastRich RollA gastroenterologist discusses fibre fermentation, short-chain fatty acids and the clinical picture of gut disorders he sees in practice.Why it’s worth itIt connects microbiome research to what actually presents in a gastroenterology clinic.
PlayGut health & fibreA Healthier You: What You Need to Know about Diet and the Microbiome with Christopher GardnerStanford AlumniThe Stanford nutrition studies director presents his group's randomised trials on diet, fibre and the microbiome, including what surprised them.Why it’s worth itGardner runs the human trials, so the findings arrive with their effect sizes and caveats attached.
PlayMetabolic health & longevityA Harvard Nutrition Legend on Saturated Fat, Dairy, Seed Oils & Longevity Walter Willett | EP#393The Proof with Simon HillA long interview with the Harvard epidemiologist on saturated fat, dairy, seed oils and the dietary patterns his cohorts associate with longer life.Why it’s worth itWillett addresses the contested questions directly rather than restating consensus positions.
PlayMetabolic health & longevityChanging the conversation from 'chronic disease' to 'chronic health' | Prof Luigi FontanaNUS MedicineThe Sydney physician-scientist argues for reframing chronic disease as a problem of accumulated cellular damage, and reviews the nutritional research on delaying it.Why it’s worth itFontana studies caloric restriction in humans, which few researchers anywhere have done.
PlayMetabolic health & longevityThe Path to Longevity | Nutrition and Diet | Professor Luigi FontanaModern HealthspanA discussion of the dietary patterns Fontana's work associates with healthy ageing, including protein intake, meal timing and plant-food density.Why it’s worth itIt draws out the practical reasoning behind his research programme without slipping into prescription.
PlayMetabolic health & longevityOptimal Nutrition for Personal, Population and Planetary Health | Dr. Frank B. Hu, M.D., Ph.D.Phipps Conservatory and Botanical GardensThe chair of Harvard's nutrition department presents cohort evidence linking dietary patterns to chronic disease risk, alongside the planetary-health dimension of food systems.Why it’s worth itHu is among the most cited nutrition epidemiologists working, and rarely gives full-length public lectures.
PlayMetabolic health & longevityWhy the Mediterranean Diet is the Gold Standard – Antonia Trichopoulou, Miguel Martinez-GonzalezOldwaysTwo of the founding Mediterranean diet researchers explain how the pattern was originally defined, scored and tested, including in the PREDIMED trial.Why it’s worth itHearing the diet described by the people who operationalised it corrects a great deal of secondhand distortion.
PlayMetabolic health & longevityHarvard Thinking: Why should you try the Mediterranean diet?Harvard UniversityA Harvard discussion of what the Mediterranean dietary pattern actually comprises and what the trial and cohort evidence associates it with.Why it’s worth itA short, well-sourced primer from the principal investigator of the largest trial of the pattern.
PlayMetabolic health & longevityDan Buettner: Longevity secrets from the blue zones | Professor Tim SpectorZOEThe Blue Zones author and an epidemiologist examine the dietary and social patterns recorded in long-lived populations, and where the data are weaker than the story.Why it’s worth itThe pairing means the popular narrative is questioned by a scientist in the same conversation.
PlayMetabolic health & longevityNutrition and Dementia: The MIND Trial by Dr. Martha Clare MorrisWisconsin Alzheimer's Disease Research CenterThe MIND diet's originator presents the cohort findings and the randomised trial testing whether a specific dietary pattern tracks with cognitive decline.Why it’s worth itA dietary pattern being put through a randomised trial by the person who devised it is exactly how the field should work.
PlayMetabolic health & longevityLongevity "Pearls" From Okinawa - An Expert Interview with Bradley Willcox, MDKirk HamiltonThe Okinawa Centenarian Study investigator discusses the dietary composition, genetics and cohort findings behind one of the world's longest-lived populations.Why it’s worth itIt replaces Blue Zones folklore with the actual data from a fifty-year cohort study.
PlayWhere the experts disagreeThe Battle of the Diets: Is Anyone Winning (At Losing?)StanfordThe Stanford researcher compares the leading popular diets against the randomised evidence, including his own A TO Z trial, and explains why the trials keep converging.Why it’s worth itThe definitive presentation on why diet comparisons rarely produce the winner each camp expects.
PlayWhere the experts disagreeAre Vegetarians Healthier than Omnivores? A Soho Forum DebateReasonTVA formal Oxford-style debate between a journalist arguing for animal foods and a physician arguing for plant-predominant diets, with audience voting before and after.Why it’s worth itA genuine adversarial exchange on the record, rather than two positions summarised by a third party.
PlayWhere the experts disagreeSaturated Fat Misconceptions: Separating Fact from Fiction | Dr. Carvalho | The Proof Podcast EP 243The Proof with Simon HillA detailed examination of the saturated fat literature — the trials, the meta-analyses, the substitution question, and where the disagreement is real rather than rhetorical.Why it’s worth itIt maps the actual structure of the saturated fat dispute instead of simply picking a side.
PlayWhere the experts disagreeThe Truth About Seed Oils, Athletic Greens, & RFK Jr. | Kevin Klatt PhD RDDoctor MikeA nutrition scientist and a physician work through the seed oil controversy, greens powders and the wider politics of dietary advice, examining the evidence for each claim.Why it’s worth itKlatt is a working nutritional biochemist and takes the popular objections seriously enough to test them.
PlayWhere the experts disagreeSeed Oils: The Raging Health Debate you’ve Never HeardPhysionicA study-by-study analysis of the seed oil debate, covering the omega-6 inflammation hypothesis, oxidation products and the cardiovascular trial evidence.Why it’s worth itThe papers are shown on screen throughout, so the reasoning can be audited rather than accepted.
PlayWhere the experts disagreeCarbohydrate-Insulin Model vs the Conventional Model. [Study 138-143 Analysis]PhysionicA structured comparison of the carbohydrate-insulin model of obesity against the conventional energy-balance model, weighing the trials that tested each.Why it’s worth itIt handles the field's most heated theoretical dispute as a question of evidence rather than allegiance.
PlayWhere the experts disagreeThe Red Meat - Diabetes Controversy: Data vs ClaimsNourished by ScienceA close reading of the red meat and type 2 diabetes literature, examining confounding, substitution analyses and the gap between headline claims and the underlying data.Why it’s worth itKratz separates what the studies measured from what was reported about them, on the most politicised food of all.
PlayWhere the experts disagreeDebate: We Should All Go Vegan with George Monbiot and Patrick Holden | Intelligence SquaredIntelligence SquaredA formal debate on whether a plant-based diet is the right response to health and environmental pressures, argued by an environmental journalist and a farmer.Why it’s worth itThe health and sustainability arguments are usually conflated; this forces them into the open together.
PlayWhere the experts disagreeDr David Ludwig - Nutrition Seminar Series 2021 - Harvard School of Public HealthDavid Ludwig, MD, PhDThe Harvard endocrinologist presents the carbohydrate-insulin model in a departmental seminar, including the trials designed to falsify it.Why it’s worth itIt is the strongest academic statement of a position most nutrition content only ever caricatures.
PlayWhere the experts disagreeProf. Jeff Volek - 'The Art and Science of Low Carb Living: Cardio-Metabolic Benefits and Beyond'Low Carb Down UnderThe Ohio State researcher presents the cardiometabolic findings from his laboratory's low-carbohydrate and ketogenic diet studies, and the biomarker patterns they observed.Why it’s worth itIncluding the best-credentialed case for low-carbohydrate diets is what makes the debates section honest.Titles, channels and runtimes verified 2026-08-04
This section is educational reference material for general audiences. It is not medical or dietetic advice, it is not tailored to anyone’s circumstances, medical conditions, allergies or medication, and it is not a substitute for a qualified professional. Figures reported here describe what the cited research measured in the populations it studied — individual requirements vary substantially. Nothing here relates to the use of any product sold on this site.