SynthesisFrontiers in immunology2026
Effects of micronutrient supplementation on immune function in older adults: a meta-analysis.
Synthesis in Frontiers in immunology, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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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.
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Authors and funding
4 authors.
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Abstract
Background: Micronutrient deficiencies are common in the older adults and exacerbate these changes. Micronutrient supplementation has been proposed as a method to reverse immunosenescence. However, its effectiveness has been inconsistent. This systematic review and meta-analysis of randomized controlled trials (RCTs) evaluate the impact of micronutrient supplementation on immune function in older adults. Methods: A comprehensive literature search was conducted in PubMed, the Cochrane Library, and Google Scholar, yielding 810 records. After removal of duplicates and applying the inclusion criteria, nine RCTs were included. Data extraction was performed according to the PRISMA checklist. Risk of bias was assessed using the Cochrane ROB2 tool, and meta-analysis was conducted using a random-effects model. Results: Micronutrient supplementation significantly improved immune function, with an overall standardized mean difference ( Conclusion: Micronutrient supplementation enhances immune function in elderly adults by reducing inflammation, increasing T lymphocyte levels, and improving antioxidant status.
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