Abstract
Background: Recently, the beneficial effects of nicotinamide adenine dinucleotide (NAD+) as an antiaging and antioxidant molecule have become a focus of research. However, the mechanisms by which NAD+ supplementation affects the associated metabolites under physiological conditions remain unclear. Specifically, although NAD+ is involved in several processes that are dysregulated in cardiovascular diseases, some effects of NAD+ precursors and NAD+ on cardiac diseases have started to gain recognition only recently.
Objective: To discuss the influence of NAD+ supplementation on adverse cardiac remodeling and aging.
Results: Supplementation with NAD+ precursors or nicotinamide riboside, which enhances or supplements the NAD+metabolome, might have a protective effect on the heart. NAD+ can alleviate chronic heart failure via mitochondrial oxidation-reduction (redox) state mechanism. Furthermore, NAD+ replenishment can improve the life span of mice.
Conclusion: NAD+ exerts considerable antiaging and antioxidant effects with promising therapeutic effects. However, its effect on humans and its use as a dietary supplement need to be studied further.
Keywords: Cardiac remodeling, aging, nicotinamide adenine dinucleotide, oxidation–reduction, redox, dietary supplement, metabolome, antioxidant.
Graphical Abstract
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