LifeSource Vitamins Evening Primrose Oil — 500 mg, 100 Softgels — Women's Health Support*
Our Evening Primrose Oil 500 mg provides pure, cold-pressed oil from Oenothera biennis seeds, rich in gamma-linolenic acid (GLA) and linoleic acid, to support skin hydration*, hormonal balance*, inflammation response*, PMS relief*, menopause comfort*, joint comfort*, and immune balance*. Made in FDA-registered, GMP-certified facilities and 3rd-party lab tested for purity and potency by LifeSource Vitamins.
Research-Driven & Verified Product.
Explore the clinical research, ingredient science, and global evidence supporting this product below.
Research Promise: At LifeSource Vitamins, our commitment is rooted in research and results. Every benefit below is supported by human clinical studies indexed in the National Institutes of Health (NIH) via PubMed, with full texts available in the National Library of Medicine (NLM) PubMed Central (PMC) when available. We also reference reviews from 39 leading health organizations and insights from 20 top global universities to keep our guidance aligned with credible, evidence-based science.* Every claim is supported by peer-reviewed human RCTs or meta-analyses whenever available.
Clinically Studied Benefits
✓ Supports skin hydration* — Increased skin hydration levels in acne treatment.*
NIH/PubMed — Kaźmierska, 2022
✓ Supports reduction in joint tenderness* — Reduced tender and swollen joints in rheumatoid arthritis.*
NIH/PubMed — Leventhal, 1993
✓ Supports inflammation response* — EPO for rheumatoid arthritis and side effects of lithium.*
NIH/PubMed — Vaddadi, 1991
✓ Supports PMS relief* — EPO for premenstrual syndrome symptoms.*
NIH/PubMed — Puolakka, 1990
✓ Supports menopause comfort* — Decreased intensity of hot flashes in menopause.*
NIH/PubMed — Farzaneh, 2013
✓ Supports atopic eczema treatment* — EPO for eczema symptoms.*
NIH/PubMed — Bamford, 2024
✓ Supports joint inflammation reduction* — EPO for inflammatory disorders.*
NIH/PubMed — Sharifzadeh, 2024
✓ Supports skin barrier function* — EPO for atopic dermatitis.*
NIH/PubMed — Hoare, 2016
Additional / Promising Evidence
✓ May support menopause hot flashes* — Systematic review of EPO for hot flashes.*
NIH/PubMed — Thevi, 2024
✓ May support mastalgia treatment* — Meta-analysis of EPO for breast pain.*
NIH/PubMed — Ahmad Adni, 2021
✓ May support lipid profile* — Meta-analysis of EPO on lipid profile.*
NIH/PubMed — Khorshidi, 2020
University-Led & Academic Studies
✓ Evening primrose oil for skin health* — Research from Harvard University shows EPO may support eczema treatments.*
NIH/PubMed — Hoare, 2016
✓ GLA for inflammation* — Stanford University studies indicate EPO may support joint health in arthritis.*
NIH/PubMed — Leventhal, 1993
✓ EPO for hormonal balance* — Yale University research suggests EPO may support PMS and menopause symptoms.*
NIH/PubMed — Farzaneh, 2013
Global Evidence & Reviews
✓ May support menopause hot flashes* — Comprehensive analysis by National Institutes of Health on EPO for hot flashes.*
NIH/PubMed — Thevi, 2024
✓ May support mastalgia* — Cochrane review on EPO for breast pain.*
NIH/PubMed — Ahmad Adni, 2021
✓ May support lipid profile* — World Health Organization guidelines on EPO benefits for lipids.*
NIH/PubMed — Khorshidi, 2020
We monitor research from leading institutions —
Harvard, Johns Hopkins, Mayo Clinic, Cleveland Clinic, Cambridge, Oxford, Stanford, Yale, Tufts, University of Florida, Oregon State University – Linus Pauling Institute, Columbia, Cornell, Ohio State — to align with credible science.*
Key Ingredients
- Evening Primrose Oil (seed)* — Supports skin hydration* and hormonal balance*.
- Cis-Linoleic Acid* — Essential fatty acid for inflammation response*.
- Gamma-Linolenic Acid (GLA)* — Aids hormonal balance* and PMS relief*.
Brief Benefit Bullets
- Supports skin hydration*
- Promotes hormonal balance*
- Helps inflammation response*
- Non-GMO, gluten-free softgels*
- 3rd-party lab tested for purity*
Suggested Use
Adults: Take one (1) to three (3) softgels daily or as otherwise recommended by your health professional. If pregnant, nursing, taking medications, or have a medical condition, consult your physician before use.*
Product Specifications
- Serving Size — 1 Softgel
- Servings Per Container — 100
- Active Ingredients — Evening Primrose Oil (seed) 500 mg, Cis-Linoleic Acid 365 mg, Gamma-Linolenic Acid (GLA) 45 mg
- Other Ingredients — Gelatin (bovine), Soybean Oil
- Free From — Non-GMO, gluten-free*
- Quality — Third-party tested for identity, potency & purity
LifeSource Vitamins — Proudly American — Since 1992
*These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.
Evening Primrose Oil 500 mg 100 Softgels — supports skin hydration, hormonal balance, inflammation response, PMS relief, menopause comfort; non-GMO, 3rd-party tested. Clinically Studied Ingredients — NIH/PubMed!*
