Science & Research

The D3X
Science Blog.

Research-backed articles on vitamin D deficiency, absorption, sleep, longevity, and performance. No filler.

Latest
Key Vitamin D Benefits for Young Men

Young men often grapple with stress, fatigue, and the pressure to perform at their peak, both mentally and physically.

Oct 20251 min read
Recent
The Global Vitamin D Deficiency Crisis
Sep 20251 min read
How Modern Life Is Fueling the Vitamin D Deficiency Crisis
Sep 20251 min read
Why Vitamin D Needs Fat and How Olive Oil Makes the Difference
Sep 20251 min read
Archive
Vitamin D and Sleep Quality
Sep 2025