What is the most nutritious kelp?
                                
                                
                                •
                                
                                
                        
                                    
                                    5 min read                                
                            
                                According to the National Institutes of Health, seaweeds like kelp are one of the best natural food sources of iodine, an essential mineral for thyroid function. Choosing what is the most nutritious kelp depends on your specific health goals, as different varieties offer a unique array of vitamins, minerals, and compounds.