Korean red ginseng helps boost vaccine performance Posted : 2021-04-25 16:14 By Yi Whan-woo Korean red ginseng, as multiple lab studies have showed, is known to improve vaccine performance. Thus, red ginseng products have recently been gaining attention amidst the ongoing COVID-19 vaccination drives in and outside of Korea, according to the Korea Ginseng Corporation (KGC) on Sunday. To help the public get better acquainted with red ginseng's role in improving vaccine effectiveness, KGC, a state-run enterprise, recently had its research institute compile relevant studies from the past. The studies were about the correlation between the intake of red ginseng and the survival rates of lab mice when they were exposed to respiratory viruses.