Are evening primrose oil and borage the same?

Yangge Biotech supplies premium-quality Borage Oil for the nutraceutical, dietary supplement, cosmetic, and pharmaceutical industries. We offer high-purity Borage Oil in bulk with multiple specifications, backed by strict quality control and international manufacturing standards.

Yangge Biotech also provides OEM & private label services, custom packaging, and worldwide wholesale supply. Whether you need a reliable Borage Oil factory, bulk Borage Oil supplier, or OEM Borage Oil manufacturer, we deliver consistent quality, competitive pricing, and complete technical documentation to support your business.  Email us here: info@yanggebiotech.com!

 

What is Evening Primrose Oil?

 

Let's start with Evening Primrose Oil (EPO). It's extracted from the seeds of the evening primrose plant (Oenothera biennis), a lovely yellow-flowered herb native to North America. EPO has a long history of medicinal use, dating back to Native American tribes. Evening primrose oil is a natural supplement extracted from the seeds of the evening primrose wildflower (Oenothera biennis). It is primarily valued for its high concentration of gamma-linolenic acid (GLA), an omega-6 essential fatty acid believed to help reduce inflammation. 

 

• Source of Extraction

Evening Primrose Oil: Derived from the seeds of the evening primrose plant, this oil carries the essence of this North American native.

Borage Oil: Extracted from the seeds of the borage plant, this oil encapsulates the vitality of the blue-flowered borage herb.

• GLA Concentration

While both oils contain GLA, the concentration varies. Borage oil typically boasts a higher GLA content, making it a potentially more potent source of this beneficial fatty acid.

• Health Applications

Their applications differ slightly as well. Evening primrose oil often shines in managing hormonal imbalances and skin conditions. Borage oil, with its higher GLA levels, may excel in reducing inflammation and supporting joint health.

 

Are evening primrose oil and borage the same?

 

borage seed oil vs evening primrose oil are not the same, although they do share some similarities. Let's explore the differences between these two oils:

 

Evening Primrose Oil:

1. Source: Evening primrose oil is derived from the seeds of the evening primrose plant (Oenothera biennis).

2. Fatty Acids: It is primarily known for its high content of gamma-linolenic acid (GLA), which is an omega-6 fatty acid. GLA is considered beneficial for various health issues, including skin conditions and hormonal balance.

3. Benefits: Evening primrose oil is often used for managing PMS symptoms, skin health, and women's hormonal health.

4. Usage: It is commonly available in the form of capsules or oil for oral consumption.

Borage Oil:

1. Source: Borage oil, on the other hand, is obtained from the seeds of the borage plant (Borago officinalis).

2. Fatty Acids: Borage oil is also rich in GLA, similar to evening primrose oil, but it typically contains a higher concentration of GLA.

3. Benefits: Borage oil is known for its anti-inflammatory properties and is used to support skin health, reduce inflammation, and improve overall well-being.

4. Usage: Like evening primrose oil, it is available in various forms, including capsules and oil.

 

What are the health benefits associated with borage oil?

 

Borage oil, maybe the lesser known of the two, has been used as a powerful anti-inflammatory for hundreds of years. The oil is derived from the seeds of the borage plant, which has the species name Borago officinalis and is indigenous to North Africa and Europe, blooming from May until Autumn. Other names for the herb are cucumber herb, thanks to its cucumber like taste, and starflower, thanks to its beautiful, distinct star-shaped flowers and the healing impact it has on the people who use it. The oil is a golden yellow colour and can be used topically on the skin or orally as a supplement.

 

Choosing Between Evening Primrose and Borage Oil

When it comes to selecting between evening primrose oil and borage oil, the choice largely depends on your specific health goals. Here are some considerations:

Hormonal Health: If you're primarily seeking hormonal balance or relief from PMS symptoms, evening primrose oil might be your top pick.

Inflammation Management: For inflammatory conditions or joint health support, borage oil's higher GLA content could be the way to go.

 

Product Specification:

1.	Appearance:	light yellow to yellow liquid
2.	Odour:	with a characteristic evening primrose aroma
3.	Relative density:	0.9212~0.9301
4.	Refractive index:	1.4742~1.4796
5.	Heavy metal:	10ppm
6.	linoleic acid:	73%
7.	γ-linolenic acid	9%,10%

Analysis

Item	Specification	Method	Result
Appearance	Clear to slightly yellow oil	Visual Inspection	Clear yellow oil
Odor	Characteristic, free from off-odors	Organoleptic	Characteristic
Fatty Acid Composition (GLA %)	8–10%	Gas Chromatography (GC)	9.00%
Linoleic Acid (%)	70–75%	Gas Chromatography (GC)	72.00%
Oleic Acid (%)	7–10%	Gas Chromatography (GC)	8.00%
Acid Value (mg KOH/g)	≤3.0	ISO 660 / AOCS Ca 5a-40	2.5
Peroxide Value (meq O₂/kg)	≤10	ISO 3960 / AOCS Cd 8b-90	8
Moisture & Volatile Matter (%)	≤0.2	Karl Fischer Titration	0.1
Saponification Value (mg KOH/g)	185–195	ISO 3657	190
Unsaponifiable Matter (%)	≤2.0	AOCS Ca 6a-40	1.5
Lead (Pb, mg/kg)	≤0.1	ICP-MS	0.05
Arsenic (As, mg/kg)	≤0.1	ICP-MS	0.03
Cadmium (Cd, mg/kg)	≤0.1	ICP-MS	0.02
Mercury (Hg, mg/kg)	≤0.1	ICP-MS	0.01
Total Plate Count (CFU/g)	≤1000	ISO 4833	500
Yeast & Mold (CFU/g)	≤100	ISO 21527	50
E. coli	Not Detected	ISO 6579	ND
Salmonella	Not Detected	ISO 6579	ND

 

Yangge Biotech Third-Party Test Report for Every Batch

Quality assurance is one of Yangge Biotech's highest priorities. Every batch of evening primrose oil and borage oil is accompanied by a third-party test report that verifies product purity, active ingredient content, heavy metals, pesticide residues, microbiological safety, and other critical quality parameters. Independent laboratory testing ensures that every shipment meets international quality standards and provides customers with confidence in product consistency and safety.

 

​​​​​​​R&D Capacity

Yangge Biotech has a professional research and development team dedicated to botanical extracts and nutraceutical ingredients. Our R&D department continuously optimizes extraction techniques, purification processes, formulation development, and quality control methods. Equipped with advanced analytical instruments and experienced scientists, we are capable of developing customized berberine specifications and providing technical support for new product development, helping customers create innovative and competitive health products.

Certificates

Yangge Biotech operates under internationally recognized quality management systems to ensure consistent product quality and safety. Depending on customer requirements and market regulations, our evening primrose oil and borage oil can be supplied with certifications such as GMP, ISO, HACCP, Halal, Kosher, and other relevant documentation. These certifications demonstrate our commitment to manufacturing excellence, regulatory compliance, and global market acceptance.

OEM Packing

Yangge Biotech offers comprehensive OEM and private-label packaging services tailored to customer needs. We provide bulk packaging for industrial users as well as customized retail packaging options, including bottles, pouches, cartons, labels, and branded packaging solutions. Our experienced team assists with package design, labeling, and product customization, enabling customers to launch their own berberine products efficiently and professionally.

Why Choose Yangge Biotech?

Yangge Biotech is a trusted supplier of premium botanical extracts with years of manufacturing experience. We offer high-purity evening primrose oil and borage oil, strict quality control throughout production, third-party testing for every batch, competitive pricing, stable global supply, customized product specifications, professional technical support, fast delivery, and reliable OEM services. Our commitment to quality, innovation, and customer satisfaction makes us a dependable partner for businesses worldwide.

Conclusion​​​​​​​

Both Evening Primrose Oil and Borage Oil are valuable sources of gamma-linolenic acid (GLA) and are widely used in dietary supplements, functional foods, pharmaceuticals, and cosmetic formulations. While they share similar health benefits, they differ in their botanical origin, GLA concentration, and ideal applications. Understanding these differences allows brands and manufacturers to select the most suitable ingredient for their target products and consumer needs.

As global demand for premium plant-based oils continues to grow, partnering with a reliable ingredient supplier is essential to ensuring consistent quality, regulatory compliance, and stable supply. Choosing high-quality raw materials helps manufacturers develop safe, effective, and innovative wellness products that stand out in today's competitive market.

 

Partner with Yangge Biotech for Premium Evening Primrose Oil

Ready to source high-quality Evening Primrose Oil for your next product? Yangge Biotech Co., Ltd. supplies premium KOSHER and USP Grade Evening Primrose Oil for dietary supplements, pharmaceuticals, functional foods, and cosmetic formulations. Manufactured under strict quality standards, our oil offers excellent purity, stability, and consistent batch-to-batch performance to support your product development.

With 1 ton of stock available, reliable global supply, and flexible bulk ordering, we can meet both pilot-scale and commercial production requirements. Every batch is backed by COA, TDS, MSDS, specification sheets, and third-party test reports, ensuring complete confidence in quality and compliance.

Whether you're launching a new product or expanding your existing portfolio, our experienced team is ready to support you with premium ingredients, competitive wholesale pricing, and dependable supply.

Contact us today to request a free sample, competitive quotation, or discuss your sourcing requirements.

Email: info@yanggebiotech.com

References

1. National Center for Complementary and Integrative Health. Evening Primrose Oil. https://www.nccih.nih.gov/health/evening-primrose-oil
2. Mount Sinai. Borage. https://www.mountsinai.org/health-library/herb/borage
3. Mount Sinai. Evening Primrose. https://www.mountsinai.org/health-library/herb/evening-primrose
4. MedlinePlus. Evening Primrose. https://medlineplus.gov/druginfo/natural/956.html
5. WebMD. Borage. https://www.webmd.com/vitamins/ai/ingredientmono-596/borage
6. WebMD. Evening Primrose Oil. https://www.webmd.com/vitamins/ai/ingredientmono-940/evening-primrose-oil
7. Fan, Y. Y., & Chapkin. (1998). Importance of dietary gamma-linolenic acid in human health and nutrition. Journal of Nutrition, 128(9), 1411–1414.
8. European Medicines Agency. Assessment report on Oenothera biennis L., oleum (Evening Primrose Oil). https://www.ema.europa.eu/
9. PubMed. Gamma-linolenic acid and human health (search for peer-reviewed studies). https://pubmed.ncbi.nlm.nih.gov/
10. Mayo Clinic. Herbs and Supplements. https://www.mayoclinic.org/drugs-supplements