Omega 950 USP is an ultra-pure natural marine lipid concentrate from Ocean Nutrition Canada, the only supplier of USP (United States Pharmacopeia) verified fish oil from fish caught in cold, deep-sea waters. Omega 950 USP is molecularly distilled and is independently verified to ensure potency and purity according to the highest worldwide standards. The purity assay process includes testing for PCB's heavy metals and pesticides. EPA and DHA from fish oil promote cardiovascular health by supporting optimal triglyceride and cholesterol levels and reducing platelet aggregation. Fish oil has also been shown to promote optimal joint function and overall brain and nervous system function.