SynthesisBMC nutrition2025
Effect of the vitamin D supplementation on clinical outcomes and inflammatory status in COVID-19 patients: an umbrella review.
Synthesis in BMC nutrition, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
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Who cites it
1 citing paper in PubMed.
Corrections and comments
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Authors and funding
5 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
introductionThe role of vitamin D supplementation in modulating clinical outcomes and inflammatory responses in COVID- 19 patients has garnered significant interest. This umbrella review consolidates current evidence to evaluate the association between vitamin D supplementation and COVID- 19-related outcomes.
methodsA comprehensive search was conducted across multiple databases to identify relevant systematic reviews and meta-analyses. Studies assessing the impact of vitamin D supplementation on disease severity, mortality, hospitalization, and inflammatory markers in COVID- 19 patients were included. Methodological quality was assessed using standardized tools.
resultsThe findings suggest that vitamin D supplementation may be associated with reduced mortality and improved clinical outcomes in COVID- 19 patients. Several studies reported a decrease in inflammatory markers, such as C-reactive protein and interleukin- 6, following supplementation. However, variations in study design, dosage regimens, and baseline vitamin D status limit the generalizability of results.
conclusionVitamin D supplementation appears to have a potential role in improving clinical outcomes and modulating inflammatory responses in COVID- 19 patients. Nevertheless, due to heterogeneity among studies, further high-quality randomized controlled trials are warranted to confirm these findings.
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