Does stock fish contain mercury? An in-depth analysis
                                
                                
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                                    4 min read                                
                            
                                According to the U.S. FDA, cod has a mean mercury concentration of just 0.111 parts per million (ppm), ranking it as a 'Best Choice' for low mercury content. Therefore, asking "Does stock fish contain mercury?"—a product typically made from dried cod—is a relevant question for understanding its safety profile.