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Premium Tuna omega-3 Oil Supplier for Global Brands

Naturally rich in DHA and refined in Germany to the highest European standards.
We are a high DHA omega-3 oil manufacturer delivering premium, pure, stable oil for the world's most sensitive applications, from infant nutrition to premium supplements.

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UniQ®OMEGA Tuna Oil

UniQ® DHA omega-3 oils are extracted exclusively from freshly caught wild tuna heads, primarily found in the Pacific and Atlantic Oceans, supporting the need for high-potency, marine-sourced oils without excessive processing.

Clinical Efficacy – Cognitive Brain Health

+42% ATTENTION PERFORMANCE

Promotes the brain's ability to quickly detect and lock onto new information, resulting in faster reaction times and sustained focus.

+33% WORKING MEMORY

Enhances the brain's mental agility, allowing for faster decision-making, clearer thinking, and more efficient information processing.

Key Benefits of Tuna and Marine Omega-3 Oil

The benefits of marine and tuna omega-3 oil extend across every life stage, from prenatal development to senior cognitive support. Decades of clinical research consistently link long-chain marine omega-3 intake with measurable health outcomes.

The proven benefits of marine omega-3 oil include support for cognitive performance, memory, focus, and learning, alongside essential roles in maternal and infant development, particularly for fetal brain and retinal growth. DHA also supports visual health throughout life, while EPA and DHA are associated with healthy triglyceride levels, heart function, and healthy aging. 

According to the National Institutes of Health, most major health organizations recommend a daily intake of 250 to 500 mg of combined EPA and DHA for healthy adults, with higher levels often advised during pregnancy and lactation.

Purity You Can Trace, Quality You Can Trust

Tuna is nature's premier source of Docosahexaenoic Acid (DHA). As a vertically integrated premium tuna omega-3 oil supplier, we extract our oil immediately from the freshest raw material within our own supply chain, ensuring exceptionally low oxidation levels from the start.

Our oil undergoes advanced refining in our state-of-the-art facilities to remove impurities while preserving the delicate omega-3 fatty acids. The result is a neutral, stable, and sustainable DHA oil that meets and exceeds the strict monograph standards set by global organizations like GOED.

High-DHA Marine omega-3 from Tuna

Not all marine omega-3 oils are created equal. Tuna stands apart for one reason: its naturally high DHA concentration relative to EPA. While anchovy and sardine oils typically deliver more EPA than DHA, tuna oil flips that ratio, making it the ingredient of choice for brain-, eye-, and infant-focused formulations.

What makes our marine omega-3 oil different is its naturally high DHA-to-EPA ratio without the need for chemical concentration or re-esterification. Freshly extracted from tuna heads within our own supply chain and refined in Germany under pharmaceutical-grade standards, the oil maintains low TOTOX values and strong stability across soft gels, emulsions, and infant formula applications. 

As a specialized halal DHA omega-3 oil supplier, we also provide full Halal and Kosher certifications with complete regulatory documentation. 

Powered by DHA from the Ocean

Tuna oil offers a unique fatty acid profile with a naturally high DHA-to-EPA ratio, making it the ideal ingredient for specific health claims.

Cognitive Performance

DHA is a primary structural component of the human brain, supporting memory, focus, and learning in adults and seniors.

Maternal & Infant Health

Essential for fetal brain and eye development, making it a critical nutrient for prenatal supplements and infant grade fish oil.

Vision Support

Supports retinal health and visual acuity across all life stages.

Solutions for Supplements & Nutrition

Our bulk fish oil is versatile and refined for sensory neutrality, making it suitable for a wide range of formats.

Dietary Supplements:

High-purity oil perfect for softgels, liquid emulsions, and chewables targeting brain and heart health.

Infant Nutrition:

Trusted by leading brands for infant formula and follow-on milks due to our rigorous contaminant testing.

Functional Foods:

Clean taste enables easy fortification in dairy products, beverages, and nutritional bars without affecting flavor.

Pet Food & Supplements:​

Essential omega-3 supporting brain development and cognitive health in puppies, kittens, and senior pets.

German Engineering. Global Standards.

As a vertically integrated tuna omega-3 oil manufacturer, our Germany-based facility operates under the strictest quality controls to ensure safety and consistency. As a premium tuna omega-3 oil supplier in the industry, we source 100% wild-caught tuna heads from our own processing facilities and use a rapid “catch to capsule” process to minimize oxidation before refining. Our state-of-the-art German refining facility operates under European pharmaceutical-grade standards, with GOED monograph compliance, verified low TOTOX values, full traceability from vessel to finished product, and certifications including MSC, Halal, Kosher, FSSC 22000, Sedex, and GOED Member. 

GOED Compliant:

Adheres to Global Organization for EPA and DHA Omega-3s monograph standards for oxidation control and contaminant limits.

Low TOTOX:

Our "Catch to Capsule" speed ensures freshness and low oxidation values.

Full Traceability:

We can trace our oil back to the vessel and catch area.

This level of vertical integration is rare in the global marine omega-3 category, and it is the foundation of our consistent product quality at any volume.

Certifications & Standards

Ranked No. 1 in the Food Products Industry on the Dow Jones Sustainability Index, with the following recognitions and certifications:

  • MSC, Friend of the Sea
  • Halal, Kosher
  • GOED Member
  • Sedex Member
  • FSSC 22000

MSC

HALAL

KOSHER

Friend of the Sea

GOED Member​

Sedex Member​

FSSC 22000​

Why Choose Thai Union Ingredients for Tuna Omega-3 Oil?

Selecting the right tuna omega-3 oil manufacturer is a strategic decision that affects product quality, regulatory readiness, and brand reputation. 

Backed by the world’s leading tuna processor, Thai Union Ingredients offers a reliable global supply, full vertical integration from fishing vessel to refined oil, and pharmaceutical-grade German refining standards trusted for infant nutrition and dietary supplements. Our team also provides technical and R&D support across formats, including soft gels, gummies, sachets, and beverages, with custom DHA: EPA ratios available for branded and private-label formulations. Combined with complete regulatory documentation and a traceable MSC-certified sustainability story, we help brands bring premium marine nutrition products to market with confidence. 

Secure Your DHA Supply

Partner with a global leader in marine omega-3 oil for infant nutrition and dietary supplements. Contact us for pricing and technical documentation.

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Frequently Asked Questions

Q: What is Tuna Omega-3 Oil?

A: Tuna omega-3 oil is a marine oil extracted from wild-caught tuna and naturally rich in DHA, an essential omega-3 fatty acid that supports brain, vision, and prenatal nutrition. Unlike blended fish oils, tuna omega-3 oil offers a naturally high DHA-to-EPA ratio, making it ideal for premium nutrition formulations. As a vertically integrated tuna omega-3 oil supplier, Thai Union Ingredients controls every stage from catch to refined oil for consistent purity and quality.

Q: How does tuna omega-3 oil compare to plant-based omega-3 sources?

A: Unlike plant-based omega-3 sources such as flaxseed and chia oil, which provide ALA that the body converts inefficiently into DHA and EPA, tuna omega-3 oil delivers preformed DHA and EPA directly for better bioavailability and functional benefits. This makes it especially suitable for brain, eye, prenatal, and infant nutrition applications where long-chain omega-3s are most important.

Q: Is tuna omega-3 oil suitable for children's brain and eye development?

A: Yes. Tuna omega-3 oil is naturally rich in DHA, the long-chain omega-3 fatty acid that supports fetal and infant brain development, retinal health, and visual acuity. According to the NIH, DHA accumulates most rapidly in the retina and brain during the third trimester of pregnancy and continues to build through the first two years of life. This makes high-DHA marine oil from tuna a preferred ingredient for prenatal supplements, infant formula, and children's chewable products.

Q: How does tuna omega-3 oil differ from generic fish oil?

A: Generic fish oil is typically blended from multiple species such as anchovy, sardine, and mackerel, which deliver more EPA than DHA. Tuna omega-3 oil flips that ratio, offering naturally high DHA content without chemical concentration. As a specialized premium tuna omega-3 oil supplier, Thai Union Ingredients sources directly from wild-caught tuna heads within its own vertically integrated supply chain, delivering greater traceability, lower oxidation, and consistent DHA potency that generic blended fish oil cannot match.

Q: Can tuna omega-3 oil be used in chewables or flavored gummies?

A: Absolutely. The benefits of marine omega-3 oil can be delivered in nearly any format thanks to advanced refining and microencapsulation technology. Our refined tuna omega-3 oil is sensory-neutral after processing, making it well-suited for chewable tablets, flavored gummies, liquid emulsions, soft gels, and stick packs. Our technical team supports formulators with guidance on emulsification, oxidation protection, and flavor masking to ensure shelf-stable, palatable finished products.

Q: What are typical daily doses of marine omega-3 used in clinical research?

A: Daily intake recommendations vary by life stage and health goal. The Dietary Guidelines for Americans recommend at least 250 mg of combined EPA and DHA per day for healthy adults, while ISSFAL recommends a minimum of 500 mg combined EPA and DHA daily. During pregnancy and lactation, most clinical guidelines recommend an additional 200 to 300 mg of DHA per day. Higher therapeutic doses, ranging from 600 to 1,000 mg of DHA, are sometimes used in clinical research focused on cognitive performance, vision, and high-risk pregnancy support. The FDA advises that dietary supplement labels should not recommend daily intakes of EPA and DHA above 2 grams.

Q: Is marine omega-3 from tuna suitable for vegetarians or vegans?

A: No. Tuna omega-3 oil is an animal-derived marine ingredient and is not suitable for vegetarian or vegan formulations. Brands targeting plant-based consumers typically use algae-derived DHA, which delivers preformed DHA without animal sourcing. However, for non-vegetarian formulations, marine tuna omega-3 oil remains the most cost-efficient and bioavailable preformed DHA source, particularly for infant nutrition, prenatal, and senior cognitive products. As a halal DHA omega-3 oil supplier, we also serve markets where Halal certification is essential for consumer trust.

Q: Can Thai Union Ingredients support custom DHA:EPA ratios and private-label projects?

A: Yes. As a vertically integrated high DHA omega-3 oil manufacturer, we work with private-label brands, contract manufacturers, and supplement innovators to develop tailored marine omega-3 formulations. We support custom DHA:EPA ratios, specific concentration levels, and packaging formats based on your finished-product specifications. Our technical and regulatory teams provide full documentation including COA, GOED compliance reports, and dossiers for global market registrations. Contact us to discuss MOQ details and project timelines.