Our oceans have very dangerous pollutants – heavy metals, PCB, dioxins, just a few names. There are only a few remaining places on earth where the fish live in free water of ancient pollutants and it is the beaches of Alaska, Norway and New Zealand. If fish are not caught in these areas, then contaminated substances and contaminants should be removed during the process. This can be a very expensive adventure.
Before buying best fish oil Singapore or omega-3 supplements, make sure that you set it up, where the product was caught fish, and if the contamination has been removed and confirmed that the production has recognized international standards.