Twelve drugs are the general name of twelve kinds of Chinese herbal medicines, which are commonly found in metaphysics such as Yin-Yang geomantic omen. Often use temple statues, pray at home and other superstitious activities. It's just twelve Chinese herbal medicines, which are not compatible according to pharmacology. So, don't take it. As far as I know, the list of "Twelve Drugs" is also different due to the differences in regions and customs. The commonly used list is as follows:
The spirit of heaven-Bagi
Fairy-peony
ginseng
Japanese essence-Aconitum
Moon essence-tube ghost
Mountain god-platycodon grandiflorum
Daojing polygala
Pine essence-poria cocos
Silkworm essence-Eucommia ulmoides
Ghost spirit-ghost arrow
Niujing-Xiniu
Animal essence-wolfsbane