Folate + vitamin D

Folate + vitamin D has no effect on cognitive function in humans.

“A combined folate-vitamin D cognitive trial did not demonstrate its primary intention-to-treat benefit”

Reviewprimary intention-to-treat analysis

The Proposed Vitamin D-Homocysteine Relationship in Cardiometabolic Health: A Narrative Review of Mechanisms, Evidence, and Research Phenotypes

Nutrients·25 Sep 2026