Study Links Higher-Dose Vitamin D to Better Cognition in Adults With MCI and Poor Sleep
A new study has found that adults with mild cognitive impairment (MCI) who reported taking at least 5,000 international units (IU) of vitamin D daily scored higher on cognitive assessments than those who did not take the supplement daily, according to research reported in October 2026.
Read Full Article: https://www.naturalnews.com/2026-10-13-study-links-vitamin-d-to-better-cognition.html
