How Much Vitamin D Do We Really Need?

Most people have no idea they’re missing out on essential nutrients—until it’s too late. In this episode, I expose the hidden truth behind nutrient deficiencies and why supplements are no longer optional when it comes to your health. Learn which supplements are vital to keep you feeling your best and how to navigate the confusing supplement market with confidence. View Show Notes From This Episode Get Free Weekly Health Tips from Dr. Hyman Sign Up for Dr. Hyman’s Weekly Longevity Journal This episode is brought to you by AG1, Seed, and Essentia. Get your daily serving of vitamins, minerals, adaptogens, and more with AG1. Head to DrinkAG1.com/Hyman and get a year's worth of D3 and five Travel Packs for FREE with your first order. Seed is offering my community 25% off to try DS-01® for themselves. Visit seed.com/hyman and use code HYMAN25 for 25% off your first month of Seed's DS-01® Daily Synbiotic. Get an EXTRA $100 off your mattress purchase, on top of Essentia’s Labor Day Sale of 25% OFF + FREE organic cotton sheets! Head to MyEssentia.com/DrMarkHyman and use code HYMAN at checkout. Learn more about your ad choices. Visit megaphone.fm/adchoices

Fatty liver disease is on the rise, but the good news is, it’s preventable and reversible. In this episode, I sit down with Dr. Yousef Elyaman to explore the silent epidemic and how early detection could be the key to saving your liver—and your health. We break down the latest in diagnostic tools and dive into powerful lifestyle interventions. Whether you’ve been diagnosed or want to stay ahead of the game, this episode is packed with practical advice to protect your liver and your health. In this episode, we discuss: The importance of diagnosing fatty liver disease early through blood tests How dietary interventions, particularly the Mediterranean diet, can significantly improve or even reverse fatty liver disease Supplements that support liver function and reverse fatty liver disease How insulin resistance is a major contributor to fatty liver disease and why managing blood sugar levels is critical for liver health The connection between chronic inflammation and fatty liver disease How exposure to toxins and chemicals, including processed foods and environmental pollutants, contribute to liver damage and fatty liver disease View Show Notes From This Episode Get Free Weekly Health Tips from Dr. Hyman Sign Up for Dr. Hyman’s Weekly Longevity Journal This episode is brought to you by Rupa Health, BIOptimizers, LMNT, and Manukora Honey. Streamline your lab orders with Rupa Health. Access more than 3,500 specialty lab tests and register for a FREE live demo at RupaHealth.com. Tackle an overlooked root cause of stress with Magnesium Breakthrough. Visit Bioptimizers.com/Hyman and use code HYMAN10 to save 10%. LMNT is giving listeners a FREE eight-count sample pack of their vital electrolyte drink mix with any purchase. Just visit DrinkLMNT.com/Hyman today. Get your Manukora Honey Starter Kit today! Just head to Manukora.com/Hyman, to get $25 off. Learn more about your ad choices. Visit megaphone.fm/adchoices

Struggling with skin issues like acne or rosacea? In this episode, I team up with Dr. Todd LePine and Dr. Elizabeth Boham to dive deep into the root causes behind chronic skin conditions. We break down how gut health, food sensitivities, and systemic inflammation are often at the heart of these issues. Learn how eliminating processed foods, gluten, and dairy can transform your skin, and why treating from the inside out is the key to lasting skin health. View Show Notes From This Episode Get Free Weekly Health Tips from Dr. Hyman Sign Up for Dr. Hyman’s Weekly Longevity Journal Full-length episodes of these interviews can be found here: Treating Adult Acne & Rosacea From The Inside Out How To Heal Skin Issues By Optimizing Your Nutrient Status And Fixing Your Gut Treating Acne From The Inside Out with Dr. Elizabeth Boham This episode is brought to you by Eudemonia, ButcherBox, and Cozy Earth. For the full lineup and to purchase a ticket, visit Eudemonia.net. ButcherBox is giving new members two pounds of wild-caught salmon for FREE plus $30 off. Visit ButcherBox.com/Farmacy and use code FARMACY30. Right now, you can save 40% when you upgrade to Cozy Earth sheets. Just head over to CozyEarth.com. Learn more about your ad choices. Visit megaphone.fm/adchoices

Think weight training is just for bodybuilders? In this episode, I break down why building muscle is one of the most important things you can do for your long-term health. From improving insulin resistance and boosting your metabolism to enhancing mental clarity and protecting against chronic diseases like diabetes, heart disease, and Alzheimer's—muscle is the secret weapon you didn’t know you needed. I’ll also share practical tips for incorporating strength training into your routine, no matter your age or fitness level. View Show Notes From This Episode Get Free Weekly Health Tips from Dr. Hyman Sign Up for Dr. Hyman’s Weekly Longevity Journal This episode is brought to you by Mitopure, OneSkin, Seed, and AX3. Support essential mitochondrial health and save 10% on Mitopure. Visit TimelineNutrition.com/Drhyman and use code DRHYMAN10. Unlock your healthiest skin yet. Try OneSkin with 15% off your first purchase using code HYMAN15 at OneSkin.co today. Seed is offering my community 25% off to try DS-01® for themselves. Visit seed.com/hyman and use code HYMAN25 for 25% off your first month of Seed's DS-01® Daily Synbiotic. Get 20% off your first order of AX3's astaxanthin at Ax3.Life/Hyman with code HYMAN at checkout. Learn more about your ad choices. Visit megaphone.fm/adchoices

Have you ever experienced unexplained allergy-like symptoms, digestive issues, or persistent fatigue? It could be histamine intolerance, a condition that’s more common than you think. In this episode, Dr. Elizabeth Boham joins me to examine real patient stories, dive deep into the gut-brain connection, and share how you can manage histamine intolerance through personalized treatments, stress management, and gut health optimization. Whether it's genetic or lifestyle-related, histamine intolerance doesn't have to be a lifelong battle.  In this episode, we discuss: The common symptoms of histamine intolerance The importance of the DAO enzyme Why low-histamine diets may not be a long-term solution Why stress and gut health are key triggers The difference between histamine intolerance and and mast cell activation syndrome (MCAS) View Show Notes From This Episode Get Free Weekly Health Tips from Dr. Hyman Sign Up for Dr. Hyman’s Weekly Longevity Journal This episode is brought to you by Rupa Health, Pendulum, ARMRA, and Our Place. Streamline your lab orders with Rupa Health. Access more than 3,500 specialty lab tests and register for a FREE live demo at RupaHealth.com. Pendulum is offering listeners 20% off their first membership order at PendulumLife.com/Farmacy. Discount applied at checkout. Save 15% on your first order of ARMRA Colostrum and unlock the power of 400+ functional nutrients. Just visit TryARMRA.com/Mark or use code MARK. Upgrade your cookware, appliances and more with Our Place. Head over to FromOurPlace.com and enter code HYMAN at checkout to receive 10% off site-wide. Learn more about your ad choices. Visit megaphone.fm/adchoices

Is going gluten-free just a trend, or is it a legitimate step toward better health? In this episode, I’m joined by Dr. Alessio Fasano and Maggie Ward to explore the science behind gluten sensitivity and why modern bread could be at the root of many gut issues. We dive into the debate over gluten-free diets, discussing whether they’re necessary for everyone or only for those with celiac disease. We also examine how environmental factors like pesticides and hybridized wheat are disrupting the gut microbiome, leading to issues like leaky gut syndrome. View Show Notes From This Episode Get Free Weekly Health Tips from Dr. Hyman Sign Up for Dr. Hyman’s Weekly Longevity Journal Full-length episodes of these interviews can be found here: Is Gluten-Free A Fad Or Is Gluten A Real Threat To Our Health? Should We All Avoid Gluten? What Would Happen If You Stopped Eating Bread For 30 Days? This episode is brought to you by Momentous, AG1, and Happy Egg. Head over to LiveMomentous.com/Mark for 20% off creatine, collagen, and all of their best-in-class products. Get your daily serving of vitamins, minerals, adaptogens, and more with AG1. Head to DrinkAG1.com/Hyman and get a year's worth of D3 and five Travel Packs for FREE with your first order. Shopping for better eggs shouldn’t be confusing. Look for the yellow carton at your local grocery store or visit HappyEgg.com/Farmacy to find Happy Egg near you to get 50% off. Learn more about your ad choices. Visit megaphone.fm/adchoices

Tired of dealing with constant bloating and discomfort? In this episode, I break down the root causes of IBS and other common gut problems, from food sensitivities and SIBO to the gut-brain connection and stress. We’ll explore why ultra-processed foods are wreaking havoc on your gut, and I’ll walk you through the 5 R program and strategies like the low FODMAP diet to heal your gut for good. If you're suffering from bloating, constipation, or gas, this episode is your guide to real relief. View Show Notes From This Episode Get Free Weekly Health Tips from Dr. Hyman Sign Up for Dr. Hyman’s Weekly Longevity Journal This episode is brought to you by AG1 and Rupa University. Get your daily serving of vitamins, minerals, adaptogens, and more with AG1. Head to DrinkAG1.com/Hyman and get a year's worth of D3 and five Travel Packs for FREE with your first order. Rupa University is hosting FREE classes and bootcamps for healthcare providers who want to learn more about Functional Medicine testing. Sign up at RupaUniversity.com. Learn more about your ad choices. Visit megaphone.fm/adchoices

Muscle isn’t just about strength—it’s about longevity, metabolic health, and even immune function. In this episode, I sit down with Dr. Gabrielle Lyon to uncover the critical role that skeletal muscle plays in our overall health. We dive deep into muscle as an endocrine organ, its role in fighting insulin resistance, and why sedentary lifestyles are wreaking havoc on our bodies. From understanding how to build muscle effectively at any age to learning why muscle mass is the key to metabolic health, this conversation will change the way you think about strength training. In this episode, we discuss: Exactly how much protein we need to eat every day The differences between plant and animal proteins The impact of resistance training The metabolic benefits of muscle Why you should spread your protein intake evenly throughout the day How sedentary behavior and insufficient protein intake can lead to muscle loss, insulin resistance, and metabolic disorders View Show Notes From This Episode Get Free Weekly Health Tips from Dr. Hyman Sign Up for Dr. Hyman’s Weekly Longevity Journal This episode is brought to you by Rupa Health, Beekeepers Naturals, Thrive Market, and Fatty15. Streamline your lab orders with Rupa Health. Access more than 3,500 specialty lab tests and register for a FREE live demo at RupaHealth.com. Head to BeekeepersNaturals.com/HYMAN and use the code ‘HYMAN’ to get 20% off sitewide. Head over to ThriveMarket.com/Hyman today to receive 30% off your first order and a free gift up to $60. Fatty15 contains pure, award-winning C15:0 in a bioavailable form. Get an exclusive 10% off a 90-day starter kit subscription. Just visit Fatty15.com and use code DRHYMAN10 to get started. Learn more about your ad choices. Visit megaphone.fm/adchoices

Are you getting enough vitamin D? This powerful nutrient does so much more than just support bone health—it’s essential for mood, energy, immunity, and even protection against serious diseases like cancer and COVID. Yet, approximately 80% of Americans are deficient due to limited sun exposure and the depletion of nutrients in our modern food supply. In this episode, I break down why vitamin D is critical for your health, the optimal levels you should aim for, and how to get your daily dose safely—whether through the sun, diet, or supplements. View Show Notes From This Episode Get Free Weekly Health Tips from Dr. Hyman Sign Up for Dr. Hyman’s Weekly Longevity Journal Full-length episodes of these interviews can be found here: Do You Need To Take Vitamin D? Supplements: Useful Or Useless? with Dr. Elizabeth Boham The Science Behind Vitamin D, Our Rampant Deficiency, And Its Harmful Impact On Our Health This episode is brought to you by Pique, Eudemonia, Ketone-IQ, and Happy Egg. Head over to PiqueLife.com/Hyman20 and get up to 20% off + a complimentary beaker and rechargeable frother. For the full lineup and to purchase a ticket, visit Eudemonia.net. Save 30% off your first subscription order & receive a free six-pack of Ketone-IQ with ketone.com/MARKHYMAN Shopping for better eggs shouldn’t be confusing. Look for the yellow carton at your local grocery store or visit HappyEgg.com/Farmacy to find Happy Egg near you to get 50% off. Learn more about your ad choices. Visit megaphone.fm/adchoices

We often think of trauma as those big, life-shattering events, but did you know that everyday stress can have the same lasting impact on your health? In this episode, I break down how both major and minor traumas affect your body at the deepest level—from your gut to your brain—and what you can do to heal. We’ll dive into the science of how trauma shapes your biology and explore the functional medicine strategies that go beyond traditional talk therapy. Whether you’ve been through a major event or are feeling the weight of everyday stress, this episode offers powerful tools to help you not just survive, but thrive. View Show Notes From This Episode Get Free Weekly Health Tips from Dr. Hyman Sign Up for Dr. Hyman’s Weekly Longevity Journal This episode is brought to you by Cozy Earth, AG1, AX3. Right now, you can save 40% when you upgrade to Cozy Earth sheets. Just head over to CozyEarth.com. Get your daily serving of vitamins, minerals, adaptogens, and more with AG1. Head to DrinkAG1.com/Hyman and get a year's worth of D3 and five Travel Packs for FREE with your first order. Get 20% off your first order of AX3's astaxanthin at Ax3.Life/Hyman with code HYMAN at checkout. Learn more about your ad choices. Visit megaphone.fm/adchoices