Traditional use: Used in TCM for over 3,000 years as a cooling herb to dispel wind-heat, clear the liver, and brighten the eyes; traditionally prescribed for fevers, headaches, hypertension, red or dry eyes, dizziness, and as a calming tonic for liver yang rising. 

Potential benefits: Flavonoids (luteolin, apigenin) and chlorogenic acid deliver antioxidant, anti-inflammatory, antihypertensive, and neuroprotective activity; research supports cardiovascular protection, eye health, liver support, and antimicrobial effects with regular use.

Warnings: May cause allergic reactions in those sensitive to Asteraceae plants; avoid excessive consumption in those with cold constitutions or digestive weakness, as it is a cooling herb; may mildly potentiate antihypertensive medications; generally very safe at typical tea-drinking quantities.