What is the Disease Caused by Tryptophan? Understanding Associated Illnesses
                                
                                
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                                    4 min read                                
                            
                                In 1989, over 1,500 cases of Eosinophilia-Myalgia Syndrome (EMS) were reported to the CDC, linking the rare and severe condition to contaminated L-tryptophan supplements, which shed light on what is the disease caused by tryptophan. While pure, dietary tryptophan is generally safe, several distinct medical conditions are linked to its metabolism or intake, from genetic disorders to contamination-related syndromes.