Journal of Ginseng Research

The Korean Society of Ginseng (고려인삼학회)
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Immuno-enhancement effects of Korean Red Ginseng in healthy adults: a randomized, double-blind, placebo-controlled trial

  • Hyun, Sun Hee (Laboratory of Efficacy Research, Korea Ginseng Corporation) ;
  • Ahn, Ha-Young (Department of Obstetrics and Gynecology, Oriental Medical Hospital, Se-Myung University) ;
  • Kim, Hyeong-Jun (Department of Obstetrics and Gynecology, Oriental Medical Hospital, Se-Myung University) ;
  • Kim, Sung Won (Laboratory of Efficacy Research, Korea Ginseng Corporation) ;
  • So, Seung-Ho (Laboratory of Efficacy Research, Korea Ginseng Corporation) ;
  • In, Gyo (Laboratory of Efficacy Research, Korea Ginseng Corporation) ;
  • Park, Chae-Kyu (Laboratory of Efficacy Research, Korea Ginseng Corporation) ;
  • Han, Chang-Kyun (Laboratory of Efficacy Research, Korea Ginseng Corporation)
  • Received : 2020.06.17
  • Accepted : 2020.08.11
  • Published : 2021.01.15
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Abstract

Background: Most clinical studies of immune responses activated by Korean Red Ginseng (KRG) have been conducted exclusively in patients. However, there is still a lack of clinical research on immune-boosting benefits of KRG for healthy persons. This study aims to confirm how KRG boosts the immune system of healthy subjects. Methods: A total of 100 healthy adult subjects were randomly divided into two groups that took either a 2 g KRG tablet or a placebo per day for 8 weeks. The primary efficacy evaluation variables included changes in T cells, B cells, and white blood cells (WBCs) before and after eight weeks of KRG ingestion. Cytokines (TNF-α, INF-γ, IL-2 and IL-4), WBC differential count, and incidence of colds were measured in the secondary efficacy evaluation variables. Safety evaluation variables were used to identify changes in laboratory test results that incorporated adverse reactions, vital signs, hematological tests, blood chemistry tests, and urinalysis. Results: Compared to the placebo group, the KRG intake group showed a significant increase in the number of T cells (CD3) and its subtypes (CD4 and CD8), B cells, and the WBC count before and after eight weeks of the intake. There were no clinically significant adverse reactions or other notable results in the safety evaluation factors observed. Conclusion: This study has proven through its eight-week intake test and subsequent analysis that KRG boosts the immune system through an increase in T cells, B cells, and WBCs, and that it is safe according to the study's safety evaluation.

Keywords

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