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.
Sebacic acid is a marker of the backup fat-burning route, in the same family as adipic and suberic acids, with dietary contributions from MCT oils.



