Omega-3 DHA from 100% wild Arctic cod supports healthy cognitive development and immune function. This formula supports learning, brain development, and a healthy nervous system. Wild caught. Pure. No fishy aftertaste. Every batch of Nordic Naturals fish oils is tested by a third party certified lab for environmental toxins, including heavy metals. All fish oils are in the triglyceride form and surpass the strictest international standards for purity and freshness.