Nicotinamide riboside, a trace nutrient in foods, is a Vitamin B3 with effects on energy metabolism and neuroprotection

Yuling Chi, Anthony A. Sauve

Research output: Contribution to journalArticle

38 Citations (Scopus)

Abstract

PURPOSE OF REVIEW: This review focuses upon the biology and metabolism of a trace component in foods called nicotinamide riboside. Nicotinamide riboside is a precursor of nicotinamide adenine dinucleotide (NAD), and is a source of Vitamin B3. Evidence indicates that nicotinamide riboside has unique properties as a Vitamin B3. We review knowledge of the metabolism of this substance, as well as recent work suggesting novel health benefits that might be associated with nicotinamide riboside taken in larger quantities than is found naturally in foods. RECENT FINDINGS: Recent work investigating the effects of nicotinamide riboside in yeast and mammals established that it is metabolized by at least two types of metabolic pathways. The first of these is degradative and produces nicotinamide. The second pathway involves kinases called nicotinamide riboside kinases (Nrk1 and Nrk2, in humans). The likely involvement of the kinase pathway is implicated in the unique effects of nicotinamide riboside in raising tissue NAD concentrations in rodents and for potent effects in eliciting insulin sensitivity, mitochondrial biogenesis, and enhancement of sirtuin functions. Additional studies with nicotinamide riboside in models of Alzheimer's disease indicate bioavailability to brain and protective effects, likely by stimulation of brain NAD synthesis. SUMMARY: Initial studies have clarified the potential for a lesser-known Vitamin B3 called nicotinamide riboside that is available in selected foods, and possibly available to humans by supplements. It has properties that are insulin sensitizing, enhancing to exercise, resisting to negative effects of high-fat diet, and neuroprotecting.

Original languageEnglish (US)
Pages (from-to)657-661
Number of pages5
JournalCurrent Opinion in Clinical Nutrition and Metabolic Care
Volume16
Issue number6
DOIs
StatePublished - Nov 2013

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Niacinamide
Energy Metabolism
Food
NAD
Phosphotransferases
Neuroprotection
nicotinamide-beta-riboside
Brain
High Fat Diet
Organelle Biogenesis
Insurance Benefits
Metabolic Networks and Pathways
Biological Availability
Insulin Resistance
Mammals
Rodentia
Alzheimer Disease
Yeasts
Insulin

Keywords

  • Alzheimer's
  • metabolic syndrome
  • mitochondria
  • nicotinamide adenine dinucleotide
  • nicotinamide riboside

ASJC Scopus subject areas

  • Medicine (miscellaneous)
  • Nutrition and Dietetics

Cite this

Nicotinamide riboside, a trace nutrient in foods, is a Vitamin B3 with effects on energy metabolism and neuroprotection. / Chi, Yuling; Sauve, Anthony A.

In: Current Opinion in Clinical Nutrition and Metabolic Care, Vol. 16, No. 6, 11.2013, p. 657-661.

Research output: Contribution to journalArticle

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