ID	Database	Citation
18429699	Pubmed	"Nicotinic acid, nicotinamide, and nicotinamide riboside: a molecular evaluation of NAD+ precursor vitamins in human nutrition. Bogan KL, Brenner C. Annu Rev Nutr. 2008;28:115–30.  <a href=""http://www.ncbi.nlm.nih.gov/pubmed/18429699"" target=""_blank"" class=""external"" rel=""nofollow"">PubMed</a> <a href=""https://europepmc.org/abstract/MED/18429699"" target=""_blank"" class=""external"" rel=""nofollow"">Europe PMC</a> <a href=""https://scholia.toolforge.org/pubmed/18429699"" target=""_blank"" class=""external"" rel=""nofollow"">Scholia</a>"
26785480	Pubmed	"NAD⁺ in aging, metabolism, and neurodegeneration. Verdin E. Science. 2015 Dec 4;350(6265):1208–13.  <a href=""http://www.ncbi.nlm.nih.gov/pubmed/26785480"" target=""_blank"" class=""external"" rel=""nofollow"">PubMed</a> <a href=""https://europepmc.org/abstract/MED/26785480"" target=""_blank"" class=""external"" rel=""nofollow"">Europe PMC</a> <a href=""https://scholia.toolforge.org/pubmed/26785480"" target=""_blank"" class=""external"" rel=""nofollow"">Scholia</a>"