Evening Primrose Oil (PMS)
Essential Fatty Acid
Also known as: EPO, GLA, Oenothera biennis oil
C
Grade C💊 500-3000mg daily🎯 3 primary uses🔗 3 synergies⚠️ Review warnings
Levels upNutrition+50 pts
Overview
GLA-rich oil traditionally used for PMS breast tenderness and hormonal symptoms.
Primary Uses
PMS breast tendernessHormonal skinPMS symptoms
Frequently Asked About Evening Primrose Oil (PMS)
How much Evening Primrose Oil (PMS) should I take?
The typical effective range is 500-3000mg daily. Individual needs vary based on age, body weight, diet, and goals — start at the lower end and adjust based on response. Always consult a healthcare provider before starting a new supplement.
When is the best time to take Evening Primrose Oil (PMS)?
With meals, divided. Consistency matters more than perfect timing — pick a daily anchor (e.g. with breakfast or before bed) and stick with it.
Should I take Evening Primrose Oil (PMS) with food?
Yes.
Does Evening Primrose Oil (PMS) interact with medications?
Yes — known interactions include Blood thinners and Seizure meds. If you take any prescription medication, talk to your doctor or pharmacist before starting Evening Primrose Oil (PMS).
What does Evening Primrose Oil (PMS) pair well with?
Evening Primrose Oil (PMS) stacks well with Vitex, Vitamin B6, and Magnesium — these combinations either improve absorption or work synergistically toward common goals.
Who should not take Evening Primrose Oil (PMS)?
Evening Primrose Oil (PMS) should be avoided or used with caution by people with Seizure disorders and Before surgery. Pregnant or breastfeeding women should consult a healthcare provider before use.
What are the side effects of Evening Primrose Oil (PMS)?
Most people tolerate Evening Primrose Oil (PMS) well. The most commonly reported side effects are GI upset and Headache. Side effects are usually dose-dependent — lowering the dose often resolves them.
Dosage
Typical range
500-3000mg daily
Timing
With meals, divided
With food
Yes
Duration
2-3 cycles for effect
Special Populations
PMS, especially breast tenderness
Research & Studies
Search the literature now
We haven’t curated landmark studies for Evening Primrose Oil (PMS)yet — one-click into the primary literature here. PubMed (RCTs) is usually the highest-signal starting point.
Search Evening Primrose Oil (PMS) research
Mechanism of Action
- • Provides GLA
- • May reduce breast tenderness
- • Anti-inflammatory prostaglandins
- • Traditional PMS support
Evidence Quality
Evidence Grade C
Mixed evidence, traditionally used for PMS breast symptoms
Safety & Contraindications
Serious Warnings
- • May lower seizure threshold
- • Blood thinning
Contraindications
- • Seizure disorders
- • Before surgery
Common Side Effects
- • GI upset
- • Headache
Pregnancy & Breastfeeding
Avoid in pregnancy
Liver & Kidney Notes
Safe
Interactions
💊 Medications
- • Blood thinners
- • Seizure meds
🧪 Supplements
- • Works with B6, Vitex
🍽️ Food & Alcohol
- • With fatty meals
Stacking & Synergies
Pairs Well With
Avoid Combining With
Blood thinners without monitoring
Best Goal Synergies
PMS breast tenderness
Buying Guide
What to Look For
- • GLA percentage
- • Fresh
Standardization Markers
GLA content (8-10%)
Adulteration risk
Low
Practical Notes
- • Takes 2-3 cycles
- • Best for breast tenderness
- • Check freshness
Tags
pmsglabreast-tendernessfatty-acid
Related Guides
In-depth guides covering Evening Primrose Oil (PMS) — protocols, comparisons, and use cases.
Last reviewed: June 2026 by the Formulate Research Team. Sources cited above; methodology and scoring criteria published here.
Cite this page
Formulate Research Team. (2026, June). Evening Primrose Oil (PMS) — Evidence-Based Supplement Guide. Formulate Supplement Encyclopedia. https://app.formulate-health.app/learning/supplements/evening-primrose-pms
Educational content based on published research and our scoring methodology. Not medical advice — consult a qualified healthcare provider before starting, stopping, or changing supplements, especially if you take medications, are pregnant, or have a medical condition.