Abstract
Background and AimCurcumin is a polyphenolic natural compound that has been used to treat various ailments such as symptoms of anxiety. However, the findings of studies regarding the anti- anxiety properties of curcumin are controversial. This review aims to evaluate if there are clinical benefits of curcumin in patients with symptoms of anxiety. MethodsPubMed, Embase, Web of Science, and the Cochrane Library were retrieved to collect randomized controlled trials (RCTs) from the database inception to August 16, 2023. The random-effects model was used to estimate the standard mean difference (SMD). ResultsA total of eight RCTs involving 567 participants were included in the analysis. A pooled analysis showed a significant effect of curcumin on anxiety symptoms (SMD: -1.56; 95% CI: -2.48, -0.64, p< 0.001; I2= 95.6%, p-heterogeneity< 0.001). ConclusionPresent meta-analysis demonstrated that curcumin intake might contribute to alleviation of anxiety disorder. Due to the limited number of studies included, it is necessary to conduct more high-quality studies to confirm the clinical efficacy of curcumin.
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