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Effects of Curcumin on Blood Pressure: A Systematic Review and Dose-Response Meta-Analysis Publisher Pubmed

Summary: Study suggests curcumin may lower blood pressure in women after 12+ weeks. Could it help heart health? #BloodPressure #HeartHealth

Karimi A1, 2 ; Moini Jazani A1 ; Darzi M3 ; Doost Azgomi RN1 ; Vajdi M1, 4
Authors

Source: Nutrition, Metabolism and Cardiovascular Diseases Published:2023


Abstract

Aims: This systematic review and dose-response meta-analysis were conducted to summarize data from available clinical trials on the effects of curcumin supplementation on systolic BP (SBP) and diastolic BP (DBP). Data synthesis: Using related keywords, multiple databases, including the Web of Sciences, Scopus, Embase, PubMed, Cochrane Library, and Google Scholar, were searched until November 2022. We chose the studies that examined the effects of curcumin on systolic blood pressure (SBP) and diastolic blood pressure (DBP). Seventeen eligible studies with a total sample size of 1377 participants were included in the meta-analysis. The findings of the meta-analysis did not indicate any significant effect of curcumin on SBP (WMD = −0.06 mmHg, 95% CI: −0.62, 0.50, p = 0.85; I2 = 44.2%) and DBP (WMD = −0.18 mmHg, 95% CI: −1.17, 0.82, p = 0.62; I2 = 77.2%). Moreover, in our dose-response analysis, we found that the dose and duration of curcumin supplementation were non-significantly associated with the reduction of SBP and DBP. However, subgroup analysis revealed a significant reduction only in DBP levels (WMD: −0.76 mmHg, 95% CI: −1.46,−0.05; P = 0.03) but not in SBP in studies with ≥12-week supplementation. Also, a significant reduction in SBP (WMD: −1.55 mmHg, 95% CI: −2.85, −0.25; P = 0.01) and DBP (WMD: −1.73 mmHg, 95% CI: 2.67, −0.79; P < 0.01) was noticed by curcumin supplementation in studies performed on women. Conclusions: The current study suggests that consuming curcumin may improve DBP when administered for long durations ≥12 weeks. However, more trials are required to confirm these findings. © 2023 The Italian Diabetes Society, the Italian Society for the Study of Atherosclerosis, the Italian Society of Human Nutrition and the Department of Clinical Medicine and Surgery, Federico II University
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