Health claim
“Vitamin D supplementation can increase testosterone levels by up to 30% in men with a deficiency.”
Evidence Summary
This claim has not yet been reviewed against the literature.
The claim quantifies the effect of vitamin D on testosterone, which is supported by some studies in deficient individuals but may be overstated for the general population.
Extracted from
Tools for Hormone Optimization in Males | Dr. Kyle GillettAndrew Huberman
Dr. Kyle Gillett discusses various evidence‑based strategies for supporting male hormone health, covering lifestyle factors, nutrition, exercise, sleep, stress management, and when to consider clinical evaluation.
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