Codonopsis: The Chinese use this extract of the root of the Codonopsis Pilosula plant for many medicinal uses.

The roots are taken from the plant in about it's fourth year of growth for treating high blood pressure, increasing the volume of red/white blood cells. 

It's use is for boosting the immune system and bringing back a lost appetite due to illness.  It is also used as a substitute for ginseng. 

Codonopsis has also been beneficial for rheumatic and arthritic pain and as an astringent in heavy uterine bleeding. the following is short list of some more beneficial medicinal uses:
aphrodisiac
improves digestion
dialates blood vessels
lowers blood pressure
stimulates nervous system

Adverse Side Effects:  If you are pregnant or plan on becoming pregnant or are nursing, check with your physician before taking this supplement.