Vitamin D Levels Explained: What the Science Actually Says (Part 1)
20m | Sep 29, 2026Vitamin D is one of the most familiar supplements in the medicine cabinet—and one of the easiest to misunderstand. In this first episode of a new series, Dr. Mike Hauman cuts through the confusion to reveal what vitamin D actually does, where the science stands, and why so many common assumptions about this nutrient are simply wrong.
Dr. Mike explains the essential role of vitamin D in calcium absorption and bone health, the fascinating biology of vitamin D receptors, and why observational studies that linked low vitamin D to everything from heart disease to cancer didn't hold up in large clinical trials. He clarifies the distinction between a true deficiency and a borderline level, why routine testing for healthy individuals is often unnecessary, and why more vitamin D is not automatically better.
This episode also offers a spiritual reflection on misplaced confidence—reminding us that a supplement can have "an appearance of wisdom" without delivering the results we expect. If you've ever wondered whether you need vitamin D, how much to take, or what your lab results really mean, this conversation provides the clarity you need.
Tune in for a balanced, evidence-based introduction to vitamin D.
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Series Companion Resources
Vitamin D Go-To Guide
https://newsletter.aslanhealth.com/products/vitamin-d-go-to-guide
Vitamin D Protocol Guide
https://newsletter.aslanhealth.com/products/vitamin-d-protocol-guide
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Vitamin D Protocol
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Dr. Mike's book, available on Amazon
Panic to Peace: A Physician's Practical Protocol to Eliminate Your Panic Attacks Forever
https://www.amazon.com/dp/B0FJSJ847J
Find the podcast wherever you listen
Apple Podcasts — https://podcasts.apple.com/us/podcast/the-aslan-health-podcast/id1825852390
Spotify — https://open.spotify.com/show/3VsDt2FEoWhGstYOE548P4
YouTube — https://www.youtube.com/@AslanHealth
The Aslan Health Podcast with Dr. Mike Hauman — Where Science Meets Soul
This content is educational and is not medical advice. Listening or reading does not create a physician-patient relationship, and nothing here substitutes for individualized care from your own clinician. Do not use it to diagnose or treat a health problem, and do not delay or disregard professional medical advice because of something you read or heard here.
