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.
Glyceric acid can rise from gut microbial overgrowth, nutrient shortfalls, high-fructose diets, or inherited factors, and feeds into the body's oxalate pathway.



