Evening primrose
Oenothera biennis
also known as EPO, Evening primrose oil
Moderate (eczema, premenstrual)
A North American wildflower whose seed oil is rich in gamma-linolenic acid, used for atopic dermatitis and women's hormonal complaints.
- Source of gamma-linolenic acid (GLA)
- May ease atopic dermatitis
- Mixed evidence for premenstrual symptoms
- May ease breast tenderness (mastalgia)
- May ease diabetic neuropathy in some studies
- Used by Indigenous tribes of North America
Active in Gamma-linolenic acid (GLA), Linoleic acid.
Use caution with blood thinners
May lower seizure threshold — avoid with seizure disorders
Discontinue 2 weeks before surgery
Avoid with phenothiazines (antipsychotics) — seizure risk
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