Botanical
Polygala Tenuifolia
Polygala tenuifolia, or yuan zhi, is a perennial herb from China and Korea whose root is used in traditional Chinese medicine.
Also listed as Yuan Zhi, Chinese Senega, Mountain Polygala, Seneca Snakeroot
Effects by health goal
Open an effect to see the studies behind its rating. Bars show the size of the effect; the letter grades the evidence.
Stress & Mood3 effects
Cognition4 effects
No study is linked to this rating.
No study is linked to this rating.
Sleep1 effect
No study is linked to this rating.