Green Tea
Camellia sinensis
One of the best-studied beverages — modest benefits for alertness, heart health, and metabolism.
Traditional use (tcm, household): One of the best-studied beverages — modest benefits for alertness, heart health, and metabolism.
One of the best-studied beverages — modest benefits for alertness, heart health, and metabolism.
Active constituents are under study; evidence ranges from traditional use to preliminary human trials.
- One of the best-studied beverages — modest benefits for alertness, heart health, and metabolism.
Evidence strength: stronger human.
- See the evidence level above
- Contains caffeine; very high-dose extracts have rarely caused liver injury.
- Pregnant/breastfeeding people without medical advice
Contains caffeine; very high-dose extracts have rarely caused liver injury.
May interact with prescription medications — review with a clinician if you take any.
Use caution in pregnancy, breastfeeding, for children, and with chronic disease unless cleared by a clinician.
Choose reputable, tested suppliers; correct identification is essential for wild-harvested plants.