Harvard Heart Letter

Should you consider taking a fish oil supplement?

The net benefit of these popular supplements is very limited. Millions of Americans swallow an amber-colored capsule of fish oil each day, lured by its alleged health benefits. In the supplement aisle of most pharmacies, supermarkets, and big-box stores, the shelves are crowded with different brands of fish oil supplements (see “Fish oil: A brief history”). Many tout benefits for the heart. In fact, the label of one popular brand includes the…

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