Health claim

Vitamin D supplementation can increase testosterone levels by up to 30% in men with a deficiency.

Claim extracted — not yet reviewedHigh risksupplements
This claim has been extracted from the video but has not yet been fully reviewed against published evidence. Treat with appropriate caution.

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 Gillett

Andrew 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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Vitamin D supplementation can increase testosterone levels by up to 30% in men with a deficiency. — Evidence Review — MenHealth Digest