Can Vitamin D impact testosterone?
Dr. Susan Carter, MD: Endocrinologist & Longevity Expert
Oct 28, 2025 · 14 min read
Vitamin D can modestly raise testosterone in men who are truly vitamin D–deficient (25‑hydroxyvitamin D
Vitamin D deficiency
This topic covers what causes low vitamin D, common symptoms, and how deficiency can impact men’s hormones, mood, immune function, and training recovery. It also explains testing, optimal ranges, and practical strategies to correct levels through sunlight, diet, and supplementation.
Start here
The essentials for vitamin d deficiency — then explore the latest posts below.