Dr. Barry Dworkin

Small study with many limitations cannot show that there is a causative relationship between Vitamin D supplementation and improved cognitive scores for people with mild cognitive impairment

Medical Mythbusting Commentary for August 25, 2026

Source:
This common vitamin was linked to 13% better cognitive scores

Reference:
Vitamin D supplement intake is associated with better cognition in persons with sleep disturbance and mild cognitive impairment.

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