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| Side effects for niacin and fish oil can be severe. This limits the recommendation from some doctors
Niacin
The supplement has been linked with liver damage, can cause hypotension and might activate a peptic ulcer. Taking niacin also might worsen allergies, gallbladder disease and symptoms of certain thyroid disorders. If you have diabetes, niacin can interfere with blood glucose control.
Fish oil is likely safe for most people in doses of 3 grams or less daily. Taking more than 3 grams daily might increase the chance of bleeding. Fish oil side effects include heartburn, loose stools, and nosebleeds | |
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Cholesterol Med.
