Evening Primrose
Oenothera biennis
A GLA-rich seed oil used for eczema, PMS, and breast tenderness; trial results are mixed.
Traditional use (indigenous-americas, european-folk): A GLA-rich seed oil used for eczema, PMS, and breast tenderness; trial results are mixed.
A GLA-rich seed oil used for eczema, PMS, and breast tenderness; trial results are mixed.
Active constituents are under study; evidence ranges from traditional use to preliminary human trials.
- A GLA-rich seed oil used for eczema, PMS, and breast tenderness; trial results are mixed.
Evidence strength: mixed.
- See the evidence level above
- May increase bleeding and lower seizure threshold.
- Seizure disorders
- Before surgery
May increase bleeding and lower seizure threshold.
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.