UDP-β-L-Rhamnose Disodium Salt can be obtained from Uridine 5’-Monophosphate Disodium Salt (U830005) which is a nucleotide that is a major component of ribonucleic acid. Uridine 5’-Monophosphate Disodium Salt (U830005) is found in natural RNA rich foods and has been shown to increase cognitive function in animals. Nucleotide that is a widely occurring cellular constituent involved in the glycosylation of the endotoxins of Salmonella.