Which Seaweed Should Be Avoided? Your Guide to Safe Consumption
                                
                                
                                •
                                
                                
                        
                                    
                                    5 min read                                
                            
                                According to a 2024 review, some seaweed species contain elevated levels of heavy metals like arsenic and cadmium, highlighting the importance of understanding which seaweed should be avoided. While often celebrated for its nutrient density, certain varieties can pose risks due to excessive iodine, harmful toxins, and environmental pollutants.