The efficiency of vitamin c supplementation in preventing and combating oxidative stress in smokers
Abstract
Smoking is responsible for causing adverse effects on tissues through oxidative damage. The consumption of vitamin C inhibits oxidative damage in molecules by intercepting free radicals generated by cellular metabolism or by exogenous sources. Objectives: To verify the efficiency of vitamin supplementation in combating oxidative stress in smokers. Data source: Meta-analysis of studies identified through research in the databases Pubmed, Europa PMC, Web of Science and Scielo until 2021.Data synthesis: 306 articles were identified, of which 4 characteristics are relevant to the objectives of this study. Results: The intervention with vitamin C supplementation did not alter the oxidative stress caused by smoking (MD 2.45, 95% CI -1.51; 6.40; p=0.23; I2 = 92%). Conclusions: Based on the results found, we can conclude that vitamin C supplementation is not an efficient strategy to combat the oxidative stress caused by smoking.
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