systematic_review
2017
High Quality
Vitamin C supplementation and immune cell function including NK activity: a systematic review
Carr AC, Maggini S
Published in Nutrients
Methodology
Review of human studies on vitamin C and innate and adaptive immune function, including neutrophil chemotaxis and NK cell activity.
Key Findings
Vitamin C accumulates in leukocytes and supports NK cell and phagocyte function, with clearest effects when baseline status is low.
Conclusions
Vitamin C sustains natural killer cell function primarily by correcting suboptimal status.
Limitations
Narrative synthesis; few trials measured NK cytotoxicity directly.
Supplements Studied
Vitamin C
Vitamin
Vitamin C accumulates in leukocytes and supports NK cell and phagocyte function
Study Details
Year:2017
Duration:12 weeks
Quality Score:7/10
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