Tier 3 — preclinical

A reduced form of nicotinamide riboside defines a new path for NAD + biosynthesis and acts as an orally bioavailable NAD + precursor

Giroud-Gerbetant J, Joffraud M, Giner MP, Cercillieux A, Bartova S, Makarov MV, Zapata-Pérez R, Sánchez-García JL, Houtkooper RH, Migaud ME, Moco S, Canto C
Molecular metabolism 2019 30; 192-202

Bibliography

PubMed
PMID 31767171
PubMed Central
PMC6807296
Funding
Funding/support listed in the publication: Ecole Polytechnique Fédérale de Lausanne (EPFL); Nestlé Research Ltd; EU Marie Sklodowska-Curie ITN-ChroMe; European Union’s Horizon 2020; Fundación Séneca - Agencia de Ciencia y Tecnología de la Región de Murcia; NIH.
Competing interests
A complete competing-interest declaration is not specified in the accessible publication information.

Study snapshot

DesignPreclinical animal study with supporting assays as applicable
ModelMammalian cells and mice
SampleMammalian cells and mice
InterventionReduced nicotinamide riboside (NRH), compared with NR
DurationCell experiments and acute mouse exposure
EndpointsModel-specific physiological outcomes; Biochemical or functional measures reported in the study

What the study showed, in plain terms

NRH raised NAD+ through a pathway different from NRK1-dependent NR handling and showed activity in a mouse kidney-injury model.

Key findings

NRH raised NAD+ through a pathway different from NRK1-dependent NR handling and showed activity in a mouse kidney-injury model.

What this study can and cannot tell us

NRH is a distinct compound. Its preclinical potency and safety cannot be transferred to ordinary NR chloride supplements.

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