Materia Medica

Fo-Ti (Reynoutria multiflora) — He Shou Wu, Chinese Knotweed
A careful Fo-Ti guide covering Reynoutria multiflora, raw versus prepared He Shou Wu, traditional tonic use, limited evidence and major liver-injury risk. Read more...
Schisandra (Schisandra chinensis) — Five-Flavor Berry, Wu Wei Zi
A guide to Schisandra chinensis covering five-flavor berry tradition, lignan research, CYP3A/P-glycoprotein interactions, pregnancy caution and safety. Read more...