Kirkland Signature Fish Oil Concentrate 1000mg 400 SoftgelsKirkland Signature Natural Fish Oil Concentrate Contributes to Heart & Vascular Health. No Artificial Colors. No Artificial Flavors. No Yeast, Starch or Gluten. Kirkland Signature fish supply comes from deep ocean waters. Our fish oil is not supplied from farm raised fish. State of the art molecular distillation process is used to remove mercury, PCBs and dioxins, which guarantees purity and potency with reduced fish odor, on all Kirkland Signature