Does Vitamin D help with performance?
Yes, for most people. 100% of 27 people who reported on Vitamin D for performance say it improved. 0% noticed no change and 0% say it got worse. That is above the typical result for performance (93% across 41 options).
Performance: what users report
100%better27 reports · medium confidence
27 better0 no change0 worse
Ranked #12 of 41 for performance.
What people say about Vitamin D and performance
“supplementing ZMA, D3, creatine, sardines/DHA&EPA/other fatty fish works well for my health, sleep, and muscle gain.”
“It changed my life. Anxiety, insomnia, tinnitus, muscle cramps, joint aches, sense of dread, exhaustion are gone.”
What the research says
AResearch: Strong3,251 meta-analyses · 4,560 trials on PubMed
None of the top reviews we found look specifically at performance. 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