THUJA (ARBOR VITAE) LEAF cut or whole
Thuja occidentalis
Wild
USA

Avoid during pregnancy, pelvic inflammatory disease and excessive menstrual bleeding. Because of the thujone content, avoid long-term use, do not exceed recommended dose of 2.0-4.0 ml liquid extract, which should be taken internally only occasionally. Aqueous forms such as tea are low in thujone.