3-Hydroxyanthranilic acid (4,6-D2) -- 25 mg

The kynurenine pathway is a metabolic pathway leading to the production of nicotinamide adenine dinucleotide (NAD+) from the degradation of the essential amino acid tryptophan.

Kynurenine, Kynurenic acid , 3-Hydroxykynurenine, 3-Hydroxyanthranilic acid and Quinolinic acid are metabolites of the kynurenine pathway and available as deuterated standards from Buchem BV.

Publications:

Quantitative profiling of biomarkers related to B-vitamin status, tryptophan metabolism and inflammation in human plasma by liquid chromatography/tandem mass spectrometry.

http://www.ncbi.nlm.nih.gov/pubmed/19337982