Fats & OmegaNo.030
Evening Primrose Oil
GLA (omega-6); skin & menstrual symptoms (marketed).
Typical / RDA500–1,300 mg
Upper limitGenerally safe
EvidenceLimited
How to take it
Timing With a mealFood With fatForm GLA oil
What to know
A source of gamma-linolenic acid marketed for eczema and PMS, but controlled trials are mostly underwhelming. Most diets are not short on omega-6.
Interactions & cautions
- May mildly thin blood; caution with blood thinners.
Do you actually need it?
Evidence is weak; manage expectations if trialing it.
Reference values: NIH Office of Dietary Supplements, adult general population. Educational information only — not medical advice. Confirm with a healthcare professional.