OMEGA-3 for brain, eye and heart health. Vitamin D for heart health, bone health and immune system support. Purity Tested: 3rd party fish oil. A Powerful Combination of Nutrients: Spectrum fish oil with Vitamin D combines our purity-tested fish oil with Omega-3 EPA and DHA and 25 mcg of Vitamin D. These combined nutrients support heart and bone health while also supporting eye, brain and immune health. Sustainability and Purity: Spectrum fish oil comes from non-threatened species of wild-caught fish harvested through sustainable fishing practices. Our fish oil conforms to the global organization for EPA and DHA Omega-3s (GOED) stringent purity standards and is tested by independent third party laboratories.