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.
Pyruvic acid sits at the crossroads where sugar-derived fuel enters mitochondria for energy, with the enzyme involved blockable by toxic metals like arsenic and mercury.



