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  1. 10 Potential Side Effects of Fish Oil - Verywell Health

    Dec 16, 2025 · Fish oil is among the most commonly used supplements for its purported health benefits, including its effects on heart health. Side effects are typical minimal but can range from …

  2. Fish Oil Side Effects: Common, Severe, Long Term - Drugs.com

    Mar 6, 2025 · Learn about the side effects of Fish Oil (omega-3 polyunsaturated fatty acids), from common to rare, for consumers and healthcare professionals.

  3. Fish oil - Mayo Clinic

    Aug 10, 2023 · Fish oil appears to contain almost no mercury, which can be a cause for concern in certain types of fish. While generally safe, getting too much fish oil can increase your risk of bleeding …

  4. 9 Little-Known Side Effects of Too Much Fish Oil - Healthline

    Feb 14, 2025 · While fish oil has many health benefits to offer, more is not always better. Learn 9 side effects of fish oil or omega-3s that can occur if you take too much.

  5. Fish Oil Benefits and Side Effects - Cleveland Clinic Health ...

    Jan 11, 2023 · Proponents claim that fish oil can lower your risk of heart disease by decreasing blood pressure and cholesterol. That’s because fish oil supplements are a pill form of omega-3 fatty acids, …

  6. Fish oil side effects: How much is too much? - Medical News Today

    Jun 5, 2025 · Fish oil supplements may cause side effects such as an unpleasant smell and gastrointestinal symptoms. Limited evidence suggests it may also increase the risk of bleeding and …

  7. Fish Oil - Special Subjects - Merck Manual Consumer Version

    Fishy-tasting belching, acne exacerbation, nausea, and diarrhea may occur. A few studies suggest that too much fish oil can cause bleeding, but others do not show a relationship. Taking very high doses …

  8. Fish Oil: Overview, Uses, Side Effects, Precautions ... - WebMD

    Learn more about Fish Oil uses, effectiveness, possible side effects, interactions, dosage, user ratings and products that contain Fish Oil.

  9. 8 Little-Known Side Effects of Taking Too Much Fish Oil

    While fish oil offers many health benefits, taking too much can cause side effects. Discover eight potential side effects of excessive fish oil or omega-3 intake to stay safe and informed. This article is …

  10. Fish Oil Side Effects: What to Expect and How to Manage

    Dec 21, 2022 · A National Institutes of Health (NIH) study estimated that 7.8% of people in the United States take fish oil supplements. Most experience no serious side effects. This article discusses …