Nicotinamide riboside chloride，又称烟酰胺核糖氯酸盐，是烟酰胺核糖(NR)的氯化物盐形式，可用于食品和膳食补充剂中，是维生素B3的来源，可作为作为NAD或NAD⁺的前体，参与细胞内NAD的合成，增加NAD⁺水平并激活SIRT1和SIRT3，还可以刺激线粒体功能和诱导新线粒体产生。

参考文献

1.Cantó C, et al. The NAD(+) precursor nicotinamide riboside enhances oxidative metabolism and protectsagainst high-fat diet-induced obesity. Cell Metab. 2012 Jun 6;15(6):838-47.

2.Bing Gong, et al. Nicotinamide Riboside Restores Cognition Through an Upregulation of Proliferator-Activated Receptor-γ Coactivator 1α Regulated β-Secretase 1 Degradation and Mitochondrial Gene Expression in Alzheimer's Mouse Models. Neurobiol Aging. 2013 Jun;34(6):1581-8.

3.Collin D Heer, et al. Coronavirus and PARP Expression Dysregulate the NAD Metabolome: A Potentially Actionable Component of Innate Immunity. bioRxiv. 2020 Oct 6;2020.04.17.047480.

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