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
Covers how vitamin D affects testosterone, immune function, mood, and muscle performance, plus how to test and optimize your levels safely. Includes practical guidance on sun exposure, supplementation, and dosing considerations for men focused on health and longevity.
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The essentials for vitamin d — then explore the latest posts below.