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Index/Topics/Vitamin D effectiveness

Vitamin D effectiveness

The effectiveness of vitamin D in treating or preventing dementia

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Feb 1, 2026

How do baseline nutrient deficiencies (e.g., B12, vitamin D) modify supplement effects on cognition in clinical trials?

is a major effect modifier in trials of supplements for cognition: benefits are most consistently observed when participants are deficient at baseline, while trials in nutritionally replete cohorts te...

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