Natural Nutrition Which fish is best

Opt for small fish lower down the food chain, such as sardines, herring, and anchovies, as well as wild salmon. These contain 16 times fewer PCBs (polychlorinated biphenyls—cancer-causing neurological toxins that accumulate in the body) than farmed salmon according to a study by the Environmental Working Group. Larger carnivorous fish higher up the food chain have been found to contain high levels of environmental pollutants, including mercury, dioxins, and PCBs.