ArcticPure EPA fish oil not only supports the functions of the brain, joints, and immune system, it is the fatty acid most associated with a healthy immune system. EPA assists in thinning the blood and dilating the blood vessels. DHA and EPA together support heart health by enhancing nitric oxide production. This softgel has a pleasing natural lemon flavor. ArcticPure uses fish oils from the cleanest sources on Earth. A series of advanced molecular distillation processes extracts and concentrates the beneficial fatty acids from the raw oil, resulting in a product of outstanding purity. The state of the art encapsulation process is done in an oxygen-free environment, ensuring an oil as pure as any oil available worldwide.