All episodes
Vitamin DLab RangesOptimization

Why You Still Feel Terrible With 'Normal' Vitamin D Levels

September 23, 202520:00

About This Episode

Your vitamin D might be 'normal' but far from optimal. Why standard reference ranges miss the mark and what levels you should actually target.

Frequently Asked Questions

What is the optimal vitamin D level?

While 'normal' starts at 30 ng/mL, many longevity physicians recommend maintaining levels between 50-80 ng/mL for optimal health.

Get the Longevity Letter

Weekly longevity science and actionable protocols. Join thousands of readers.