Fish oil is one of the most popular supplements among people in the United States. According to the Centers for Disease Control and Prevention , more than one in five adults over 60 and one in six adults ages 40 to 59 take fish oil. Fish oil's popularity is understandable when you consider the many health claims made on fish oil supplement labels. A 2023 article in JAMA Cardiology found that most fish oil supplements claim to support heart health, yet fewer than 20% of them used a health claim approved by the Food and Drug Administration (FDA). Currently, the FDA has only approved qualified health claims regarding fish oil's effects on blood pressure and coronary heart disease.

Do you take fish oil to help lower your cholesterol? About 5% of fish oil supplements claim to "support" hea

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