Psoralea (Bu Gu Zhi)
Cullen corylifolium
A warming kidney-yang seed used for low-back cold and (with sunlight) for vitiligo.
Traditional use (tcm, ayurveda): A warming kidney-yang seed used for low-back cold and (with sunlight) for vitiligo.
A warming kidney-yang seed used for low-back cold and (with sunlight) for vitiligo.
Active constituents are under study; evidence ranges from traditional use to preliminary human trials.
- A warming kidney-yang seed used for low-back cold and (with sunlight) for vitiligo.
Evidence strength: traditional use.
- See the evidence level above
- Strongly photosensitizing and potentially liver-toxic — professional use only.
- Pregnant/breastfeeding people without medical advice
Strongly photosensitizing and potentially liver-toxic — professional use only.
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.