I once had a patient tell me, "You don't know much about vitamin D, do you?" 

He had a point, not because I hadn't studied it, but because so much of what we're taught about vitamin D simply hasn't caught up to the research.

My patient’s question  led me down a path of research that changed how I treat every patient who walks through my door.

In this episode, I break down

  • Why vitamin D isn't a vitamin at all but a hormone quietly running the show for your gut and immune system
  • Why the "toxic" dose you've been warned about is a myth that's kept millions of people needlessly deficient
  • Why this one hormone might be the closest thing we have to a longevity switch.


Plus, learn the exact number I push my own patients' levels to, and why your doctor's idea of "normal" is probably way too low.

For full show notes and transcript: drgundry.com/how-much-vitamin-d-should-i-take

On this episode, you’ll learn:  

  • Why vitamin D isn't actually a vitamin (01:11)
  • How nearly 80% of new patients turn out to be vitamin D deficient (you probably are too!) (01:31)
  • What vitamin D has to do with the diversity of your gut microbiome (02:18)
  • What a major university research group discovered about vitamin D at doses most people assume would be dangerous (09:04)
  • A real patient story from this week, and the dose it took to finally get his vitamin D levels where they needed to be (11:33)
  • The sweet spot dose of vitamin D that works for most people — and who might need to dial it back (12:46)
  • Why doing THIS to your peppers might be the trick to enjoying them without the reaction (16:32)


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