DL-Histidine-d3 is intended for use as an internal standard for the quantification of histidine by GC- or LC-MS. DL-Histidine is a racemic mixture of D- and L-histidine. D-Histidine is an enantiomer of L-histidine , an essential amino acid.1
1.Hole?ek, M.Histidine in health and disease: Metabolism, physiological importance, and use as a supplementNutrients12(3)848(2020)
















