Publication

Balancing NAD(+) deficits with nicotinamide riboside: therapeutic possibilities and limitations

Carlos Canto Alvarez
2022
Journal paper
Abstract

Alterations in cellular nicotinamide adenine dinucleotide (NAD(+)) levels have been observed in multiple lifestyle and age-related medical conditions. This has led to the hypothesis that dietary supplementation with NAD(+) precursors, or vitamin B3s, could exert health benefits. Among the different molecules that can act as NAD(+) precursors, Nicotinamide Riboside (NR) has gained most attention due to its success in alleviating and treating disease conditions at the pre-clinical level. However, the clinical outcomes for NR supplementation strategies have not yet met the expectations generated in mouse models. In this review we aim to provide a comprehensive view on NAD(+) biology, what causes NAD(+) deficits and the journey of NR from its discovery to its clinical development. We also discuss what are the current limitations in NR-based therapies and potential ways to overcome them. Overall, this review will not only provide tools to understand NAD(+) biology and assess its changes in disease situations, but also to decide which NAD(+) precursor could have the best therapeutic potential.

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