What Vitamin D REALLY Does to the Body

To try Brilliant for free, visit https://brilliant.org/IHA/ and get 20% off an annual premium subscription. ----- *Follow Us!* https://beacons.ai/instituteofhumananatomy 🧠 * Ask AI Jonathan!* https://www.instituteofhumananatomy.com/jonathan-ai ---- Are most adults truly deficient in vitamin D, or have we been misled by online hype? Discover the startling truth about how your body actually synthesizes this "sunshine vitamin"—and why it behaves more like a powerful hormone than a nutrient. In this video, Jonathan from the Institute of Human Anatomy breaks down the complex physiology of vitamin