Branched-chain amino acid metabolite
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About 2-Oxoisovaleric Acid
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About 2-Oxoisovaleric Acid
Overview and History
2-Oxoisovaleric acid (also called 2-oxoisovalerate) is an alpha-keto organic acid formed when valine undergoes transamination. Biochemically, it is part of branched-chain amino acid (BCAA) catabolism and is converted through dehydrogenation and downstream steps that supply carbon skeletons to energy and anabolic pathways.
Historically, measurement of organic acids like 2-oxoisovaleric acid emerged from metabolic profiling work that maps intermediate metabolites in urine. Because it sits at a branch point between amino acid breakdown and mitochondrial oxidation, changes in its urinary levels can signal shifts in substrate use, enzyme activity, or mitochondrial handling of carbon fuels.
Interpreting Highs and Lows
Elevated urinary 2-oxoisovaleric acid can indicate slower or incomplete breakdown of valine-derived intermediates, increased protein or amino acid catabolism, or limited mitochondrial oxidative capacity and cofactor availability. It may also rise alongside other organic acids in patterns that point to metabolic strain. Low or lower-than-expected levels are often less specific; they can reflect low dietary or tissue valine availability, efficient clearance, or simply normal variation. Interpretation is most informative when considered with other Cellular Zoomer markers—Krebs cycle intermediates, related BCAA metabolites, cofactors, and oxidative stress indicators.
Featured Test
On the Cellular Zoomer, 2-oxoisovaleric acid helps evaluate branched-chain amino acid handling and how those intermediates feed mitochondrial energy pathways. Paired with other organic acids, nutrient/cofactor markers, and redox measures, it adds specificity to patterns of metabolic strain and supports more personalized assessment of cellular energy and resilience.
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Mary Beth Augustine
DCN, RDN, FAND- Lead Clinical Educator
Suzanne Barker
MS, RDN, LD, CTTS, CGP- Clinical Educator
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MSc- MHNE- Clinical Educator
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MS, CNS, LDN, FDN- Clinical Educator
Adair Anderson
MS, RDN, LDN- Clinical Educator
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DCN, CNS, LDN- Clinical Educator
Jason Barker
ND- Clinical Educator
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ND- Clinical Educator
Dana Filatova
DCN, CNS, LDN- Clinical Educator
Jessy Dhanjal
ND- Clinical Educator
Nour Amri
MS, LDN, CNS, CKNS- Clinical Educator
