Why Was Tryptophan Banned?
Why Was Tryptophan Banned? What are the risks of taking L-tryptophan? L-tryptophan has been linked to a dangerous, even deadly condition called eosinophilia-myalgia syndrome (EMS). The FDA recalled tryptophan supplements in 1989 after up to ten thousand people who took them became sick. Why was tryptophan taken off the market? The Food and Drug Administration