Nordic Naturals DHA Xtra contains 1660 mg of omega-3 (of which 960 mg is DHA) per daily dose (2 softgels). DHA accounts for 10%-20% of the fatty acids in the cerebral cortex, the part of the brain responsible for memory, language, creativity, emotions, and attention. Nordic Naturals fish oil products are made using freshly caught wild fish, providing re-esterified omega-3 in triglyceride form for better absorption. Non-genetically modified products Certified to the strictest international standards of purity and freshness Friend of the Sea (FOS) certificate