Formulation: A solid
Formal Name: 3-(aminocarbonyl)-1-β-D-ribofuranosyl-pyridinium, monochloride
Purity: ≥95%
Formula Markup: C11H15N2O5 • Cl
Formula Weight: 290,7
Shelf life (days): 1460
CAS Number: 23111-00-4
Notes: Nicotinamide riboside is a riboside form of nicotinamide (Item No. 11127) that is found in trace amounts in yeast-containing and milk-derived products.{38460} It is a precursor of NAD+ (Item No. 16077) and a source of vitamin B3 (niacin). Nicotinamide riboside increases intracellular and mitochondrial NAD+ content in C2C12, Hepa1.6, and HEK293 cells in a concentration-dependent manner at concentrations ranging from 1-1,000 μM.{38461} It also decreases acetylation of FOXO1 and SOD2, which are substrates of sirtuin 1 (SIRT1) and SIRT3, respectively, but not the SIRT2 substrate tubulin, indicating nicotinamide riboside selectively enhances SIRT1 and 3 deacetylase activity. Nicotinamide riboside (400 mg/kg per day) increases NAD+ levels in liver and skeletal muscle and prevents body weight gain in mice fed a high-fat diet. It also increases NAD+ in the cerebral cortex and reduces cognitive deterioration in a transgenic mouse model of Alzheimer’s disease.{38462}
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