Vitamin D in pulmonary disease.

Breathe (Sheff) · 2026 · PMC13386185 · PMID 42482828

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a positive trendno p-value reported

Systematic reviews report inconsistent findings, with some demonstrating no benefit of vitamin D supplementation on spirometry outcomes [ 19 ] and others showing a positive trend between vitamin D and parameters such as forced expiratory volume in 1 s (FEV 1 ), FEV 1 % and forced vital capacity (FVC) % [ 3 ].

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