Can Vitamin D impact testosterone?
Dr. Susan Carter, MD: Endocrinologist & Longevity Expert
Oct 28, 2025 · 14 min read
Low testosterone and vitamin D deficiency often show up together in men, but they are not the same problem. Here is how low testosterone vitamin D patterns interact, when vitamin D can help, and when you still need to think beyond supplements. “When a man walks into my clinic with fatigue, low sex drive, and ...