Struggling with low energy or frequent colds? You might be Vitamin D deficient. In this episode, Dr. Mark Hyman explains why Vitamin D is essential for more than just bone health—it’s your secret weapon against chronic diseases, inflammation, and even the winter blues. Get practical tips on testing, supplements, and sun exposure, and discover how boosting your levels could change your life. Join the Health Hacks community and follow @healthhackspod on social for exclusive insights, expert advice and the latest in health science. Please note: The timestamps may vary slightly depending on which listening platform you are using. 0:00 – Why Vitamin D Is a Game-Changer for Your Health 1:16 – How Vitamin D Fights Chronic Diseases and Boosts COVID-19 Defense 3:00 – Vitamin D’s Role in Mood, Memory, and Inflammation 7:21 – Must-Read Books for Deep Diving into Vitamin D 23:13 – Are You Deficient? How to Test Your Vitamin D Levels 24:49 – Top Food Sources, Sun Tips, and Fortification 32:00 – Why Your Location Matters for Vitamin D Absorption 33:45 – Who Needs More Vitamin D? Key Risk Groups and Chronic Conditions 35:31 – Safe Supplementing: What You Need to Know About Doses and Testing 41:13 – Easy Ways to Boost Your Vitamin D Today To learn more about listener data and our privacy practices visit: https://www.audacyinc.com/privacy-policy Learn more about your ad choices. Visit https://podcastchoices.com/adchoices