Panax Ginseng, the ginseng, also known as Asian ginseng, Chinese ginseng, or Korean ginseng, is a species of plant whose root is the original source of ginseng. It is a perennial plant that grows in the mountains of East Asia. Ginseng has been used for improving overall health. It has also been used to strengthen the immune system and help fight off stress and disease. There are different types of ginseng. Asian ginseng (from Chinese and Korean sources) has been used for unclear thinking, diabetes, and male erectile dysfunction.