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Meta-Analysis of Randomized Clinical Trials Evaluating Effectiveness of a Multivitamin Supplementation against Oxidative Stress in Healthy Subjects
- Title
- Meta-Analysis of Randomized Clinical Trials Evaluating Effectiveness of a Multivitamin Supplementation against Oxidative Stress in Healthy Subjects
- Authors
- Lee S.; Huh I.; Kang S.; Nam Y.-E.; Cho Y.; Kamruzzaman M.; Hong J.; Kwon O.; Park T.
- Ewha Authors
- 권오란
- SCOPUS Author ID
- 권오란
- Issue Date
- 2022
- Journal Title
- Nutrients
- ISSN
- 2072-6643
- Citation
- Nutrients vol. 14, no. 6
- Keywords
- Exogenous oxidant scavenger; Meta-analysis; Multivitamin supplementation; Oxida-tive damage
- Publisher
- MDPI
- Indexed
- SCIE; SCOPUS
- Document Type
- Article
- Abstract
- A meta-analysis has been widely applied to draw general conclusions using a set of studies with similar purposes and designs. This study aimed to perform a meta-analysis of six randomized placebo-controlled trials, independently conducted for the relationship between a plant-based multivitamin/mineral supplementation (PMS) and oxidative stress for 6 to 8 weeks, to provide overall estimates of those effects. In detail, linear mixed model analysis was first conducted on each study to obtain individual estimates; then, two types of meta-analysis were applied to combine the individual estimates from all available studies (overall meta-analysis) and region-specific studies (subgroup meta-analysis). In the meta-analysis, we selected 19 biomarker variables that overlapped in at least two studies and found 6 variables significant in at least one meta-analysis. The overall estimates of beta coefficients were 0.17 for vitamin C, 0.80 for vitamin B6, 0.46 for vitamin B12, 0.81 for folate, 0.36 for β-carotene, and −0.17 for oxidized LDL (ox-LDL). Subsequent association analysis revealed significant negative correlations between plasma free radical scavenging nutrients and plasma ox-LDL levels, indicating a general benefit of PMS in alleviating oxidative stress by providing exogenous oxidant scavengers. © 2022 by the authors. Licensee MDPI, Basel, Switzerland.
- DOI
- 10.3390/nu14061170
- Appears in Collections:
- 신산업융합대학 > 식품영양학과 > Journal papers
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