Why Does Omega-3 Have an Aftertaste? An Expert Guide
                                
                                
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                                    4 min read                                
                            
                                According to a 2022 analysis, some fish oil supplements contained oxidation levels up to 11 times higher than recommended limits, directly contributing to a fishy aftertaste. This unpleasant side effect raises the question: does omega-3 have an aftertaste, and is it always a sign of a problem?