NOW Foods DHA-500 (Double Strength)

Docosahexaenoic acid, or DHA, is a type of omega-3 fat. This natural fish oil concentrate is manufactured under strict quality control standards. It is tested to be free of potentially harmful levels of contaminants such as PCBs, dioxins, mercury and other heavy metals. Those who experience nausea or reflux from other fish oils should find this enteric coated, odor-controlled softgel easier to tolerate.