Efficacy of Vitamin C Supplementation on Chronic Obstructive Pulmonary Disease (COPD): A Systematic Review and Meta-Analysis.

Int J Chron Obstruct Pulmon Dis · 2022 · PMC9473551 · PMID 36118282

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showed a trendno p-value reported

As shown in Figure 8 , in each subgroup, supplementation of vitamin C showed a trend to increase the GSH level in serum compared to supplementation with placebo.

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