Does Vitamin B12 help with sleep?
Possibly — but there are few reports. 42% of 12 people who reported on Vitamin B12 for sleep say it improved. 8% noticed no change and 50% say it got worse.
Sleep: what users report
42%better12 reports · few reports
5 better1 no change6 worse
What people say about Vitamin B12 and sleep
“1. If I take early in the morning, it helps with circadian rhythm. 2. If I take more late, it helps with energy.”
“Later lab tests uncovered both, and subsequent supplementation fixed a good deal of issues I had in terms of energy and sleep.”
“Stress, gut issues, fatigue, insomnia... All corrected when I fixed some deficiencies I had (namely, magnesium, vitamin D, B12, B6).”
What the research says
AResearch: Strong376 meta-analyses · 572 trials on PubMed
None of the top reviews we found look specifically at sleep. See all research on Vitamin B12.
Side effects people mention
acne 11anxiety 9jitteriness 6weakness 3vivid dreams 2
What else is Vitamin B12 used for?
Based on few reports — treat as anecdotal. Information only — not medical advice. How we count