Introduction to fish oil

Introduction to fish oil

Fish oil is a kind of oil extracted from fatty fish. It is rich in eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA, commonly known as brain gold) and a variety of N-3 polyunsaturated fatty acids (N-3PUFA).

Fish don't actually produce omega-3 fatty acids, but accumulate them by consuming microalgae that produce them, as in fish like herring and sardines, or by eating prey that accumulate them from microalgae, as in fat-eating fish.

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Fatty predatory fish like mackerel, lake trout, flounder, albacore tuna, and salmon may be rich in omega-3 fatty acids, but because of their position at the top of the food chain, these species can accumulate toxic substances . For this reason, the FDA recommends limiting consumption of certain (predatory) fish (e.g., albacore tuna, shark, and swordfish) due to high levels of toxic pollutants such as mercury, dioxins, PCBS, and chlordane. More than 50% of the world's fish oil production goes to farmed salmon. If you're worried about toxic pollutants, use DHA omega-3, a vegan product made from algae.