References ^ Jump up to: a b c Pollak N, Dölle C, Ziegler M (2007). “The power to reduce: pyridine nucleotides – small molecules with a multitude of functions”. Biochem. J. 402 (2): 205–18. doi:10.1042/BJ20061638. PMC 1798440. PMID 17295611.  ^ Jump up to: a b c d e f Belenky P, Bogan KL, Brenner C (2007). “NAD+ metabolismContinue reading “NAD , metabolic aging and Alzheimer and Parkinson”