Nissui
Omega-3 from a seafood giant — EPA science from a fish company.
Major seafood company Nissui, known for EPA research and its Imark and EPA product lines.
Brand facts
- Founded
- 1911
- Headquarters
- Tokyo, Japan
- Parent / operator
- Nissui Corporation (formerly Nippon Suisan Kaisha)
- Origin
- Japan
About Nissui
A century-old seafood major with deep expertise in fish-derived EPA. It markets EPA-based drinks (Imark) and supplements, with a unique advantage: control from the fish itself through to the finished omega-3.
What sets Nissui apart
As a fisheries company it controls sourcing through refining, giving it a real edge in EPA purity and freshness.
Ingredient sourcing
Uses its own fisheries network to refine fish-derived EPA and DHA.
Manufacturing & quality
Manufactured under the quality systems of a major food company.
Certifications & testing
- FOSHU / Foods with Function Claims (select products)
- Domestic quality systems
Signature products
- Imark S (EPA/DHA drink)
- EPA supplements
- DHA/EPA products
Focus categories
- Omega-3 (EPA/DHA)
- Foods with Function Claims
- Functional drinks
Price positioning
Mid-range — priced for its EPA research and quality.
Where to buy in Japan
Available in drugstores, its online store, Amazon.co.jp and Rakuten Ichiba.
Best for
People who want fish-derived EPA/DHA from a specialist maker.
Things to keep in mind
Drink formats can cost more per gram of active than capsules.
Prices are sample data. Check the retailer's site for the current price.