頂級黨參 Codonopsis

黨參味甘，性平。有補中益氣，止渴，健脾益肺，養血生津。脾肺虛弱，氣短心悸，氣血不足有效

Codonopsis may help to stimulate the central nervous system.  It's also seems to promotes weight gain and increase endurance, as well as increase red and white blood cells counts and promote blood circulation.