.svg)
Method: GC-MS (Gas Chromatography/Mass Spectrometry) measuring organic acid metabolites in urine (CLIA 17D0919496); not cleared or approved by the FDA. Results in mmol/mol creatinine. Not a stand-alone diagnosis; should be interpreted in clinical context.
2-Hydroxyhippuric acid can rise from aspartame, dietary salicylates found in aspirin and many plant foods, or activity of certain gut bacteria.
