Korean J Clin Pharm.  2016 Jun;26(2):163-171. 10.0000/kjcp.2016.26.2.163.

Effect of Ginseng on Blood Pressure: A Systematic Review and Meta-Analysis

Affiliations
  • 1College of Pharmacy, Inje University, Gyeongsangnam-do 50834, Republic of Korea. pusoon@inje.ac.kr

Abstract


OBJECTIVE
A meta-analysis was performed to determine effect of ginseng on blood pressure.
METHODS
The databases of PubMed, Embase, Cochrane Library, RISS, DBpia, KISS, and Koreamed were searched for all published studies from inception to January 2016. The following terms were used: "ginseng", "hypertension", and "blood pressure". Using the Review Manager 5, mean differences (MDs) were pooled to measure the effect of ginseng on blood pressure compared to that of placebo.
RESULTS
Eleven randomized controlled trials were included. In this meta-analysis, ginseng treatment significantly lowered systolic blood pressure (SBP) in a dose-independent way (MD: -1.99, p = 0.04). In subgroup analysis, 8-12 week consumption of ginseng achieved significantly greater reduction in SBP (MD: -3.14, p = 0.03), while single administration of ginseng failed to show BP-lowering effect. When ingested over 8-12 weeks, ginseng significantly lowered diastolic blood pressure (DBP) (MD: -1.96, p = 0.03). No significant association was found between ginseng dose and the magnitude of BP-lowering effect. However, a significant positive relationship was observed between baseline SBP level and the magnitude of SBP reduction (r = 0.848, p = 0.033). Such a relationship was not seen in DBP.
CONCLUSION
Consumption of ginseng for 8-12 weeks achieved significant reductions in SBP and DBP in a dose-independent way. There was a significant positive relationship between baseline SBP level and the magnitude of SBP reduction.

Keyword

American ginseng; Korean red ginseng; Korean white ginseng; blood pressure; randomized controlled trial

MeSH Terms

Blood Pressure*
Panax*
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