Gong Jin Dan (공진단, 拱辰丹, Gong Chen Dan)
Gongjindan is one of the most widely recognized tonics among the public.
According to historical texts, the Seui Deuk Hyo Bang (written by Wei Yilin위역림,危亦林 during the Yuan dynasty in China, 세의득효방, 세의득효방, 世醫得效方, Shi Yi De Xiao Fang) states that it strengthens the innate vital energy, promotes smooth circulation of qi, and harmonizes the five organs.
