What Vitamins Should I Avoid with Hyperthyroidism? Your Essential Guide
                                
                                
                                •
                                
                                
                        
                                    
                                    5 min read                                
                            
                                According to the National Institutes of Health (NIH), excessive iodine intake can cause or worsen hyperthyroidism by increasing the production of thyroid hormones. For those managing an overactive thyroid, understanding **what vitamins should I avoid with hyperthyroidism** is a critical aspect of effective treatment and overall health.