Rapid Rx Quiz: Omega-3 Fatty Acids

Mary L. Windle, PharmD

Disclosures

August 25, 2022

Methyl mercury, a toxic organometallic cation, is found in fish. Pregnant and nursing women and people who use fish as a primary source of OM3FAs should limit their intake to two to four servings of fish a week — an amount that is safe in terms of mercury. They can also replace fish that are high in methyl mercury, such as swordfish, dolphinfish, albacore tuna, shark, and kingfish, with fish that have lower amounts of methyl mercury, such as sardines, herring, salmon, and trout. DHA and EPA supplements contain no methyl mercury.

Learn more about mercury toxicity.

This Rapid Rx Quiz was excerpted and adapted from the Medscape articles Omega-3 Fatty Acids, Hypertriglyceridemia, Omega-3 Fatty Acids May Reduce Blood Pressure, Fishing for Links Between Omega-3 Fatty Acids and Atrial Fibrillation, and Mercury Toxicity.

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