Uridine 5'-Monophosphate is a nucleotide used as monomer in RNA. It is used in foods such as infant formula to as a method of increasing uridine levels in blood.
Clarke, L., et al.: J. Biol. Chem., 249, 6874 (1974); Carver, J., et al.: Am. J. Clin. Nutr., 77, 15505 (2003); Wurtman, R., et al.: Annu. Rev. Nutr., 29, 59 (2009);