Some 'inert' drug ingredients may be biologically active

Some 'inert' drug ingredients may be biologically active
Some supposedly inert ingredients in common drugs—such as dyes and preservatives—may potentially be biologically active and could lead to unanticipated side effects, according to a preliminary new study by researchers from the UC San Francisco School of Pharmacy and the Novartis Institutes for BioMedical Research (NIBR).