Nα-Fmoc-L-histidine-3-15N is the 15N labelled analogue of Nα-Fmoc-L-histidine (F633000) which is an N-Fmoc-protected form of L-Histidine (H456010). L-Histidine is an essential amino acid that plays an important role in mitochondrial glutamine transport and has potential of abolishing oxidative stress caused by brain edema.L-Histidine promotes zinc uptake in human erythrocyes and also has potential as an antioxidant therapy for acute mammary inflammation in cattle.