Does Vitamin D help with focus?
Yes, for most people. 83% of 60 people who reported on Vitamin D for focus say it improved. 8% noticed no change and 8% say it got worse. That is about the typical result for focus (86% across 80 options).
Focus: what users report
83%better60 reports · medium confidence
50 better5 no change5 worse
Ranked #52 of 80 for focus.
What people say about Vitamin D and focus
“First thing I noticed was my mood & libido, I have more 'feeling/sensitivity' down there.”
“I take 10 to 15k ug a few times a week with k2...giving me a sex drive like I'm a teenager. I wake with woodys every morning...I definitely get an increase in energy and motivation.”
“Ever since adding JUST vitamin d in my diet... I am able to focus on things more easily... I feel more balanced as an individual overall.”
“She put me on a once-weekly 15,000 IU supplement for a month to boost my D3 levels and I could tell a difference immediately.”
What the research says
AResearch: Strong3,251 meta-analyses · 4,560 trials on PubMed
None of the top reviews we found look specifically at focus. 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