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Also known as: EPO, Oenothera biennis, GLA supplement
An oil extracted from the seeds of the evening primrose plant, rich in gamma-linolenic acid (GLA). Traditionally used for breast pain (mastalgia), PMS, and menopausal hot flushes. Evidence for hot flush reduction is modest. Also used for skin health and inflammation.
This page contains self-reported experiences from the Narrated community — not clinical data. Outcomes are subjective. Always consult your doctor or specialist before starting, stopping, or changing any approach.
Total Reports
17
Median Score (Wk 8)
6/10
Would Continue
53%
Avg Duration
11 wk
Most Common Goal
skin hair
Most Reported Side Effect
Loose stools (29%)
Based on self-reported community data. Scores use a 1–10 scale.
Regulatory status does not mean an approach is safe or unsafe. Laws vary by country — check your local regulations.
Women who reported on Evening Primrose Oil mentioned using it for the following goals. This does not mean it is intended for or achieves any of these outcomes.
Aggregated patterns from 17 self-reported experiences with Evening Primrose Oil.
53% of women said they would continue this protocol
5.7/10 average self-reported outcome score at week 8
Most commonly reported effects: Loose stools, Headache, Stomach upset
Outcome Score Distribution (Week 8)
17 of 17 reports included a week 8 score
Would Continue Protocol
17 of 17 reports included this response
Reported Goals
Commonly Reported Effects
Percentage of reports mentioning each effect
Based on 17 self-reported experiences. This is community data, not clinical evidence. Individual outcomes vary. Discuss any intervention with your healthcare provider.
17 reports from women who tried Evening Primrose Oil
Evening Primrose Oil has been really helpful for my collagen loss and wrinkles. I noticed the brain fog started to lift fairly quickly. the difference was remarkable over the following weeks. Worth persevering through the first few weeks.
My gynecologist suggested Evening Primrose Oil for my hormonal acne. It took about 4 weeks to notice anything, but by week 8 my quality of life improved dramatically. Still taking it and plan to continue.
I tried Evening Primrose Oil for hair shedding and scalp issues but the results were mixed. I felt a bit more like myself, but the side effects made it hard to continue. I may try increasing the dose.
I tried Evening Primrose Oil for adult-onset acne but the results were mixed. I felt a bit more like myself, but the side effects made it hard to continue. I may try increasing the dose.
I gave Evening Primrose Oil a fair trial for my skin dryness and itching. Some improvement in hot flashes reduced a bit but my mood was still up and down persisted. Not sure if I'll continue long-term.
Research context compiled from published sources
GLA is a precursor to anti-inflammatory prostaglandins (PGE1). Modulates inflammatory pathways and may influence prostaglandin balance in ways that affect cyclical breast pain and skin barrier function. Proposed effects on vasomotor symptoms may relate to prostaglandin-mediated thermoregulation.
Unknown
Limited
Only short-term data available. Long-term effects are not well understood.
Dose ranges from published research. Individual dosing should be determined with your healthcare provider based on your specific circumstances.
Factual research context from published sources — not a safety assessment or recommendation. Research classifications may change as new data emerges.
Other Supplement tracked on Narrated.
Data last updated: March 27, 2026