Feeling tired, sick, or struggling with stubborn health issues? It might be time to check your vitamin D levels. In this episode, I explore why vitamin D is the secret to better health—covering everything from its role in preventing chronic diseases like heart disease and cancer to how it boosts your immune system. I’ll break down the symptoms of deficiency, why regular testing is a must, and how to get vitamin D safely through sun exposure and supplements. 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, Vivobarefoot, and Eight Sleep. 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 10 Travel Packs for FREE with your first order. If you're not barefoot, go Vivobarefoot. Head to vivobarefoot.com/drhyman to get 20% off today! Save three-hundred dollars off the POD 4 Ultra and two-hundred dollars off the Pod 4. Head to EightSleep.com./Mark. Learn more about your ad choices. Visit megaphone.fm/adchoices