Nutrients · 2022
Vitamin D Supplementation and Sleep: A Systematic Review and Meta-Analysis of Intervention StudiesDoes Vitamin D help with sleep?
For some people. 52% of 119 people who reported on Vitamin D for sleep say it improved. 4% noticed no change and 44% say it got worse. That is below the typical result for sleep (82% across 71 options).
Sleep: what users report
52%better119 reports · high confidence
62 better5 no change52 worse
Ranked #58 of 71 for sleep.
What people say about Vitamin D and sleep
“I was taking 30,000 IU day sometimes...for the past 2 years, my sleep has basically been murdered.”
“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
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