Evening Primrose Oil Manufacturer & Bulk GLA Oil Supplier
Gensei supplies Evening Primrose Oil, also known as Evening Primrose Seed Oil, Oenothera biennis Seed Oil, EPO Oil, Primrose Oil, GLA Oil from Evening Primrose, Cold Pressed Evening Primrose Oil, Refined Evening Primrose Oil or Softgel Grade Evening Primrose Oil, for dietary supplement softgels, capsules, oil blends, gummies, sachets, drink powders and custom omega fatty acid premix manufacturing. We support supplement brands and contract manufacturers with bulk supply, GLA profile review, COA, specification review, sample coordination and global sourcing support.
Product Highlights
- Bulk evening primrose seed oil raw material for dietary supplement and GLA-rich omega fatty acid manufacturing
- Derived from Oenothera biennis seeds, with cold-pressed, refined, organic, softgel-grade oil or powder formats available according to project needs
- GLA content, fatty acid profile, peroxide value, anisidine value, acid value and freshness indicators can be reviewed according to specification and batch COA
- Suitable for softgels, capsules, oil blends, gummies, sachets, drink powders and custom supplement premixes
- COA, specification sheet, SDS, TDS, fatty acid profile, allergen statement, vegan statement and non-GMO documents available for qualified buyers
- Oxidation control, nitrogen protection, light-resistant packaging, cold storage and shelf-life planning should be reviewed before bulk purchase
- Focused on supplement ingredient sourcing, not medical, pharmaceutical, cosmetic, infant formula, animal feed or therapeutic use
What Is Evening Primrose Oil?
Evening Primrose Oil is a botanical seed oil derived from Oenothera biennis seeds and commonly sourced for its gamma-linolenic acid (GLA) content.
Evening Primrose Oil is a GLA-rich omega-6 botanical oil obtained from evening primrose seeds. In B2B supplement sourcing, it is commonly supplied as cold-pressed oil, refined oil, organic oil, softgel-grade oil, microencapsulated powder or custom oil blend. Buyers usually evaluate Evening Primrose Oil by GLA percentage, linoleic acid content, oleic acid content, full fatty acid profile, peroxide value, anisidine value, acid value, TOTOX, free fatty acids, heavy metals, microbiology, odor, color, packaging, storage condition and destination market label requirements.
GLA Profile Review
Gamma-linolenic acid percentage is the key commercial specification for comparing evening primrose oil grades and calculating finished product input.
Oxidation Control
PV, pAV, TOTOX, acid value, antioxidant system, nitrogen protection and cool storage should be reviewed for oil freshness.
Supplement Supply Focus
Gensei supports supplement brands, OEM factories and contract manufacturers with bulk Evening Primrose Oil sourcing and technical documentation.
Evening Primrose Oil Specification Options
Final specifications depend on seed origin, processing method, GLA concentration, oil freshness, powder format, packaging and destination market requirements.
| Parameter | Typical Options for B2B Sourcing |
|---|---|
| Product Category | Evening Primrose Oil / Evening Primrose Seed Oil / Oenothera biennis Seed Oil / GLA-Rich Botanical Oil / Omega-6 Supplement Ingredient |
| Common Synonyms | Evening Primrose Oil, Evening Primrose Seed Oil, Oenothera biennis Seed Oil, EPO Oil, Primrose Oil, GLA Oil from Evening Primrose, Cold Pressed Evening Primrose Oil, Refined Evening Primrose Oil, Organic Evening Primrose Oil, Softgel Grade Evening Primrose Oil |
| Botanical Source | Seeds of Oenothera biennis. Origin, crop year, processing country and supply chain documents should be confirmed by supplier documentation. |
| CAS Reference | Evening Primrose Oil may be referenced as CAS 90028-66-3 or other regional / supplier document references. It is a natural triglyceride mixture rather than a single compound. |
| Main Active Marker | Gamma-Linolenic Acid (GLA), an omega-6 fatty acid. Final GLA percentage should be confirmed by fatty acid profile and batch COA. |
| Typical GLA Content | Commercial evening primrose oil grades are often reviewed around 9%–11% GLA, with custom targets depending on stock and specification. |
| Fatty Acid Profile | GLA, linoleic acid, oleic acid, palmitic acid, stearic acid and other fatty acid components should be reviewed by batch profile. |
| Main Forms | Cold-pressed evening primrose oil, refined evening primrose oil, organic oil, softgel-grade oil, oil suspension, microencapsulated powder, beadlet or custom premix |
| Appearance | Pale yellow, golden yellow, yellow to amber clear oil or powder format depending on grade, refining level and carrier system |
| Oxidation Indicators | Peroxide value, anisidine value, TOTOX, acid value, free fatty acids, antioxidant system and storage condition should be reviewed when applicable. |
| Organic / Conventional | Organic and conventional grades may be discussed according to supply availability, certificate requirements and destination-market label strategy. |
| Application Fit | Dietary supplement softgels, capsules, oil blends, gummies, chewables, sachets, drink powders and custom omega fatty acid premixes |
| Carrier Review | Oil formats may be carrier-free. Powder, beadlet or microencapsulated formats may include starch, gum, protein, emulsifier or antioxidant carriers. |
| Testing Items | GLA content, full fatty acid profile, PV, pAV, TOTOX, acid value, free fatty acids, heavy metals, microbiology, pesticides, moisture and carrier review upon request |
| Documents | COA, specification sheet, SDS, TDS, fatty acid profile, allergen statement, vegan statement, non-GMO statement, organic certificate where applicable, flow chart and technical files upon request |
| Packaging | Aluminum bottle, tin, nitrogen-flushed drum, IBC, foil bag, carton or customized packaging according to product form and order quantity |
| Storage | Store sealed in a cool, dry and light-protected environment. Protect from oxygen, heat, moisture and direct sunlight. Cool storage may be recommended for bulk oil. |
Note: This table is for B2B sourcing reference. Final GLA content, fatty acid profile, processing method, oxidation specifications, organic status, packaging, shelf life and documents should be confirmed according to the actual batch and purchase agreement.
Evening Primrose Oil vs. Borage Oil vs. Black Currant Seed Oil
These botanical oils are often compared in GLA supplement sourcing, but they differ in GLA level, source story, label positioning and formulation behavior.
| Item | Evening Primrose Oil | Borage Oil | Black Currant Seed Oil |
|---|---|---|---|
| Botanical Source | Oenothera biennis seeds | Borago officinalis seeds | Ribes nigrum seeds |
| Main Positioning | Classic GLA oil with strong consumer recognition in supplement softgels and oil blends | Higher-GLA botanical oil for compact GLA input and omega fatty acid formulas | Botanical seed oil containing GLA plus other fatty acids depending on grade |
| Buyer Check | Confirm GLA %, fatty acid profile, PV, pAV, acid value, origin, organic status and storage | Confirm GLA %, PA-free testing if required, PV, pAV, acid value, fatty acid profile and storage | Confirm GLA %, fatty acid profile, oxidation indicators, crop origin and COA |
| Application Notes | Commonly reviewed for softgels, oil blends, capsules, microencapsulated powders and custom premixes | Commonly reviewed for softgels, oil blends, higher-GLA formulas and custom premixes | Commonly reviewed for omega blends and botanical seed oil concepts |
Applications in Dietary Supplements
Gensei supplies Evening Primrose Oil mainly for supplement and omega fatty acid nutrition projects rather than medical, pharmaceutical, cosmetic, infant formula, animal feed or therapeutic applications.
Formulation Notes for Supplement Brands
Evening Primrose Oil selection should be aligned with GLA input, oil freshness, delivery format, oxidation control, sensory target and destination market compliance.
GLA Content
Confirm GLA percentage and full fatty acid profile before calculating serving size, label amount and finished product input.
Cold-Pressed vs Refined
Compare cold-pressed, refined and organic grades according to flavor, color, clarity, shelf life and label positioning.
Oxidation Control
Review PV, pAV, TOTOX, acid value, antioxidant system, nitrogen flushing, oxygen exposure and cool storage strategy.
Carrier Declaration
Powder, beadlet and microencapsulated formats may include carriers or emulsifiers that must be reviewed for label declaration.
Taste & Odor
Gummies, chewables and powders should be tested for herbal note, oil note, aftertaste, oxidation odor and flavor compatibility.
Supplement Facts Review
Final evening primrose oil amount, GLA amount, ingredient name, source declaration, serving size and warnings should be confirmed by the brand owner.
Why Choose Gensei as Your Evening Primrose Oil Supplier?
Gensei provides procurement-oriented support for supplement brands and contract manufacturers sourcing bulk Evening Primrose Oil and GLA-rich botanical oils.
Supplement-Focused Supply
Our Evening Primrose Oil support is focused on softgels, capsules, oil blends, gummies, sachets, drink powders and supplement premixes.
Specification Matching
We help match GLA percentage, processing method, oil format, powder format, oxidation indicators and application behavior to your project.
Document Support
COA, specification sheet, SDS, TDS, fatty acid profile, allergen statement, vegan statement and non-GMO documents can be provided for qualified buyers.
Application Matching
We support discussion around softgels, oil blends, capsules, gummies, sachets, drink powders and custom omega premixes.
Bulk Order Support
Packaging, MOQ, sample availability, lead time and shipment details can be discussed according to your project volume.
Global Supply Coordination
Gensei supports international buyers with quotation, sample coordination, documentation and export shipment planning.
Quality Control & Documentation
For Evening Primrose Oil raw material purchasing, GLA profile, oxidation indicators, fatty acid profile, batch documentation and storage review are essential for supplier qualification.
Batch COA
Certificate of Analysis can verify key batch parameters such as GLA content, fatty acid profile, PV, pAV, acid value and microbial limits.
Freshness & Oxidation Review
Peroxide value, anisidine value, TOTOX, antioxidant system and packaging protection help quality teams evaluate oil freshness.
Compliance Files
SDS, TDS, fatty acid profile, allergen statement, vegan statement, organic certificate when applicable, flow chart and oxidation report can support supplier approval.
Buyers should confirm botanical source, crop origin, processing method, GLA percentage, fatty acid profile, peroxide value, anisidine value, acid value, TOTOX, free fatty acids, heavy metals, microbiology, pesticides, allergen status, vegan statement, organic status, shelf life, packaging and storage conditions before placing bulk orders.
Bulk Ordering Process
Gensei helps supplement buyers move from specification review to quotation, sampling and shipment.
Frequently Asked Questions
Common questions from supplement brands, OEM manufacturers, contract manufacturers and ingredient buyers.
What is Evening Primrose Oil?
Evening Primrose Oil is a botanical seed oil obtained from Oenothera biennis seeds. In supplement raw material sourcing, it is commonly evaluated by GLA content, fatty acid profile, oxidation indicators, packaging and storage conditions.
What is GLA in Evening Primrose Oil?
GLA stands for gamma-linolenic acid, an omega-6 fatty acid used as the main active marker for evening primrose oil. Buyers should confirm GLA percentage and full fatty acid profile by batch COA.
What is the difference between Evening Primrose Oil and Borage Oil?
Evening Primrose Oil and Borage Oil are both botanical GLA oils. Borage oil is often selected for higher GLA concentration, while evening primrose oil is widely recognized in supplement softgel and omega fatty acid formulas. Buyers should compare GLA percentage, fatty acid profile, oxidation indicators, source documents and COA.
What is cold pressed Evening Primrose Oil?
Cold pressed Evening Primrose Oil is obtained by mechanical pressing at low temperature. Buyers should review GLA profile, color, odor, peroxide value, acid value, storage condition and shelf life before sourcing.
Is Evening Primrose Oil vegan?
Evening Primrose Oil is plant-derived from evening primrose seeds and is commonly suitable for vegan-positioned formulas when processing aids, carriers, softgel shell materials and supplier statements support the claim.
Is Evening Primrose Oil fish free?
Evening Primrose Oil is not sourced from fish. Buyers should still request allergen and cross-contact statements if fish-free positioning is required for the finished supplement.
Can Evening Primrose Oil be used in softgels?
Yes. Evening Primrose Oil is commonly evaluated for softgel formulas. Formulators should review oil fill, capsule shell compatibility, antioxidant system, oxidation indicators and finished product stability.
Can Evening Primrose Oil be used in gummies?
Evening Primrose Oil can be evaluated for gummies, especially in microencapsulated or powder formats. Formulators should review GLA input, carrier declaration, taste, odor, pH, texture and oxidation stability.
Can Evening Primrose Oil be used in drink powders?
Evening Primrose Oil can be evaluated for drink powders, sachets and stick packs when using suitable powder, beadlet or microencapsulated formats. Buyers should confirm dispersion, sediment, taste, odor and finished product stability.
What quality indicators should be checked?
Buyers should review GLA percentage, fatty acid profile, peroxide value, anisidine value, TOTOX, acid value, free fatty acids, heavy metals, microbiology, packaging and storage conditions.
What documents can I request before ordering?
Qualified B2B buyers can request COA, specification sheet, SDS, TDS, fatty acid profile, allergen statement, vegan statement, non-GMO statement, organic certificate when applicable, flow chart, oxidation report and other technical files depending on the selected grade.
What is the MOQ for Evening Primrose Oil?
MOQ depends on product form, GLA percentage, stock status, packaging, order quantity and destination market. Please contact Gensei with your required grade and purchase quantity for a detailed quotation.
How should Evening Primrose Oil be stored?
Evening Primrose Oil should generally be stored sealed in a cool, dry and light-protected environment. Avoid heat, moisture, oxygen exposure and strong light. Bulk oil may require nitrogen protection and cool storage.
Does Gensei supply Evening Primrose Oil for medical, pharmaceutical, cosmetic or infant formula use?
This page is focused on B2B dietary supplement ingredient sourcing. If a project involves pharmaceutical, medical food, infant formula, cosmetic or therapeutic applications, the required grade, documentation and regulatory pathway should be confirmed separately.
Source Bulk Evening Primrose Oil from Gensei
Looking for an Evening Primrose Oil manufacturer or bulk GLA oil supplier for dietary supplements? Contact Gensei to request quotation, COA, specification, GLA profile, fatty acid profile, MOQ, sample availability and global shipping support.
Disclaimer: This product information is intended for B2B dietary supplement ingredient sourcing and formulation reference only. It is not intended to diagnose, treat, cure or prevent any disease. Evening Primrose Oil ingredient selection should be reviewed by botanical source, GLA content, fatty acid profile, oil or powder format, oxidation indicators, carrier system, label declaration, Supplement Facts requirements, allergen status, vegan suitability, warning statements, import requirements and destination-market regulations. Regulatory status and permitted claims may vary by country, platform and finished-product category. Final supplement claims, dosage, labeling, warning statements, ingredient declaration, product classification and market compliance should be reviewed according to applicable regulations in the destination market.