Dietary Supplement. Naturally Supports Cardiovascular Health and Overall Daily Wellness. PCB/Heavy Metal Free. Most people consume too few Omega-3 Fatty Acids. An excellent source for these essential fatty acids is Twinlab's Norwegian Cod Liver Oil Softgels. This product contains Omega-3 Fatty Acids, which have been shown to support cardiovascular health. This product is recommended for people that prefer to ingest cod liver oil in softgel form. For overall health and wellness, make Twinlab's Norwegian Cod Liver Oil softgels a part of your daily health regimen. This product has been processed and tested to be free of PCB and heavy metals.