Studies

CellWell record HH-442181

Vitamin D status, supplementation, and multiple sclerosis: a systematic review and meta-analysis

Yanyan Li; Ying Xu; Xiaorui Pei; Ziqi Liu; Dan Gao; Lili Ma; Yan Wang; Yanan Fang; Ying Cai

2026

In plain language

In this meta-analysis, patients with multiple sclerosis had lower serum 25(OH)D than healthy controls, and only high-dose vitamin D3 supplementation was linked to fewer relapses, without a clear change in disability scores.

Evidence
Established
Design
Meta-analysis

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