Does Vitamin D help with skin & hair?
Yes, for most people. 87% of 31 people who reported on Vitamin D for skin & hair say it improved. 10% noticed no change and 3% say it got worse. That is about the typical result for skin & hair (90% across 19 options).
Skin & hair: what users report
87%better31 reports · medium confidence
27 better3 no change1 worse
Ranked #14 of 19 for skin & hair.
What the research says
AResearch: Strong3,251 meta-analyses · 4,560 trials on PubMed
None of the top reviews we found look specifically at skin & hair. See all research on Vitamin D.
Side effects people mention
insomnia 42anxiety 22hypercalcemia 18nausea 9irritability 6
What else is Vitamin D used for?
Information only — not medical advice. How we count