Cheonggwanjang strictly selects excellent six-year-old Korean ginseng. After steaming the ginseng, it goes through a drying process to control the moisture content below 14%. This is something that other Korean ginseng health products cannot do. of. Because of this, Zhengguanzhuang has remarkable effects in nourishing and strengthening the body, nourishing blood and qi, producing body fluids and quenching thirst, nourishing the mind and calming the mind, resisting fatigue and anti-aging. Han Jingzhuang is imitated from Zhengguanzhuang. Cheongkwanjang’s ginseng is the highest quality ginseng among Korean ginseng.