Go natural with Spectrum Essentials Fish Oil W/Vit D (1x250 SGEL). Spectrum's Fish Oil comes from non-threatened species of wild-caught fish harvested through sustainable fishing practices. Our fish oil conforms to GOED omega-3's stringent purity standards and is tested by independent laboratories to ensure contaminants such as PCBs, dioxins, furans and mercury are below California Prop 65 and European Union defined limits.. (Note: Description is informational only. Please read the ingredient label on the product for more information and always consult your health professional with any questions prior to use.)