WJOIL Evening Primrose Oil
- High in GLA and naturally rich in gamma-linolenic acid.
- Cold-pressed to maximize nutrient retention.
- 100% pure, with no fillers or artificial additives.
- Non-GMO, gluten-free, and preservative-free
WJOIL Evening Primrose Oil – Premium Bulk Manufacturer & OEM Supplier
WJOIL is a professional manufacturer and global supplier of high-quality evening primrose oil. Our evening primrose oil is made from carefully selected evening primrose seeds and is meticulously extracted to preserve its naturally occurring gamma-linolenic acid (GLA) and essential omega-6 fatty acids.
We offer evening primrose oil in a variety of sizes to meet your diverse needs, from large-scale production to personal use. Whether you need bulk evening primrose oil or custom packaging, WJOIL can meet your business needs.
Types of WJOIL Evening Primrose Oil
Through careful processing, the color, odor, and antioxidant stability have been improved while retaining the essential fatty acids.
Produced in strict accordance with food safety standards, this product is suitable for nutritional supplements, softgels, and functional foods, and is rich in naturally occurring gamma-linolenic acid (GLA) and omega-6 fatty acids.
It is a high-quality cosmetic ingredient that blends easily into facial oils, creams, lotions, and serums.
It is widely used in shampoos, conditioners, scalp care products, and hair serums. Rich in essential fatty acids, it helps improve the texture of hair care formulations.
Extracted from organically grown evening primrose seeds using strictly controlled processing methods. This product contains no synthetic pesticides or chemical fertilizers.
WJOIL provides high-quality evening primrose oil ingredients to dietary supplement manufacturers. The production process is subject to strict quality control, and the company offers custom formulation services.
Various Capacities of Evening Primrose Oil
Evening Primrose Oil 500mg
Evening Primrose Oil 1000mg
Evening Primrose Oil 1300mg
Why Choose WJOIL Evening Primrose Oil?
We carefully select high-quality evening primrose seeds to ensure consistent oil quality and a reliable fatty acid profile.
Naturally contains valuable GLA, an important omega-6 fatty acid widely used in nutritional supplements and skincare products.
Depending on your application needs, you can choose cold-pressed oil to maximize nutrient retention, or refined oil to improve color, odor, and stability.
No sugar, salt, yeast, preservatives, or artificial flavors are added during production, ensuring consistent product quality.
Various Packaging Options
We offer a variety of packaging options to meet the needs of different distribution channels. Available sizes include 100 ml, 250 ml, 500 ml, 1 liter, 5 liters, and custom packaging.
Premium Customization Service
We offer comprehensive custom solutions, including custom formulations, bottle design, labeling, branding, packaging, and finished product manufacturing.
Applications of WJOIL Evening Primrose Oil
Dietary Supplements
Evening primrose oil is commonly used in the production of softgels, hard capsules, liquid nutritional supplements, and functional health products.
Cosmetics and Skincare Products
Its light texture makes it suitable for facial oils, moisturizers, lotions, anti-aging skincare products, serums, massage oils, and beauty formulations.
Personal Care Products
Evening primrose oil is suitable for use in hair oils, scalp care products, body care products, hand creams, and lip care products.
Pharmaceutical and Nutritional Supplement Manufacturing
Our premium evening primrose oil serves as a high-quality raw material for pharmaceutical R&D, nutritional supplement formulations, and health product manufacturing.
Evening primrose oil is highly regarded for its naturally occurring essential fatty acids. It is naturally rich in gamma-linolenic acid (GLA) and omega-6 fatty acids, making it suitable for nutritional supplement formulations and a common ingredient in skincare and cosmetic products.
Furthermore, its smooth texture makes it easy to blend, and as a plant-based oil, it is suitable for vegan formulations. When stored properly, it exhibits excellent oxidative stability.
WJOIL implements strict quality control throughout the entire production process. Our testing procedures include: identification of plant sources, fatty acid composition analysis, GLA (gamma-linolenic acid) content testing, peroxide value testing, acid value testing, heavy metal analysis, pesticide residue testing, microbiological testing, moisture analysis, and batch traceability management.
Every batch of product is manufactured under a rigorous quality management system to ensure reliable performance and compliance with international standards.
- Technical Specifications
| Name | Evening Primrose Oil |
| Appearance | Pale yellow to golden yellow clear oily liquid |
| Acid Value | ≤ 1.0 mg KOH/g |
| Peroxide Value | ≤ 10.0 meq O₂/kg |
| Iodine Value | 145 – 165 |
| Extraction Method | Cold-pressed / CO₂ supercritical extraction |
| Specific Gravity (25°C) | 0.915 – 0.925 |
| Linoleic Acid (Omega-6) | 60 – 80% |
| γ-Linolenic Acid (GLA, Omega-6) | ≥ 10% (Guaranteed) |
| Oleic Acid (Omega-9) | 6 – 18% |
| Palmitic Acid | 5.5 – 8% |
| Stearic Acid | 1 – 3% |
Evening primrose oil is a natural vegetable oil extracted from the seeds of the evening primrose (Oenothera biennis). It is naturally rich in gamma-linolenic acid (GLA)—an omega-6 essential fatty acid—making it a popular ingredient in dietary supplements, cosmetics, and personal care products.
WJOIL Evening Primrose Oil naturally contains gamma-linolenic acid (GLA), linoleic acid (LA), oleic acid, palmitic acid, stearic acid, and natural antioxidants.
Yes. WJOIL offers cold-pressed evening primrose oil, which is extracted using low-temperature mechanical pressing to help preserve its natural fatty acids and nutritional value. For customers with specific requirements regarding color, odor, or stability, we also offer a refined version.
Yes. WJOIL offers a variety of product grades, including food-grade, cosmetic-grade, pharmaceutical-grade, organic-grade, cold-pressed, and refined.
We can recommend the most suitable grade based on your specific application needs.
Depending on the raw materials and customer specifications, our evening primrose oil typically contains 8%–12% gamma-linolenic acid (GLA). We can also provide customized GLA content specifications to meet specific needs.
Yes. A Certificate of Analysis (COA) is provided for every production batch. In addition, we can provide other technical documents, such as product specifications and safety data sheets, upon request.
To ensure optimal stability, store it in a cool, dry place away from direct sunlight, in a tightly sealed container, and away from heat sources and humid environments.