Third-Party Purity TestedPure Omega-3 Oil SupplementWild Anchovy and Sardine Oil For Optimal Pet Health and WellnessDistilled for PuritySustainable FishingNordic Naturals pure omega-3 oil, derived exclusively from wild anchovies and sardines, offers the important omega-3 fatty acids, EPA and DHA, to help support healthy skin, coat, joints, heart, and the development and maintenance of the brain and eyes.Nordic Naturals oils are distilled for purity, and surpass the strict international standards for purity and freshness (European Pharmacopoeia and World Health Organization).