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Elevate Your Health with NAD Vitamins

NAD+ is a fundamental molecule in human life and health as it participates in energy metabolism, cell signalling, mitochondrial homeostasis, and in dictating cell survival or death. Emerging evidence from preclinical and human studies indicates an age-dependent reduction of cellular NAD+, possibly due to reduced synthesis and increased consumption. In preclinical models, NAD+ repletion extends healthspan and / or lifespan and mitigates several conditions, such as premature ageing diseases and neurodegenerative diseases. These findings suggest that NAD+ replenishment through NAD+ precursors has great potential as a therapeutic target for ageing and age-predisposed diseases.


(Covarrubias et al., 2021 | Nat Rev Mol Cell Biol.) Therapeutic approaches to restore NAD⁺ levels and their impact on health. Aging is linked to decreased NAD⁺ levels that promote or exacerbate aging-related diseases. Thus, restoring NAD⁺ levels has emerged as a therapeutic approach to prevent and treat aging-related diseases and to restore health and vigor during the aging process. Some potential strategies that boost NAD⁺ levels include lifestyle changes, the use of small-molecule inhibitors or activators to boost NAD⁺ biosynthesis, and the use of dietary supplements, including NAD⁺ precursors, such as NMN and NR.

NAD+ Functions as a Coenzyme in Mitochondria

NAD+ plays an especially active role in metabolic processes, such as glycolysis, the TCA Cycle (AKA Krebs Cycle or Citric Acid cycle), and the electron transport chain, which occurs in our mitochondria and is how we obtain cellular energy.

In its role as a ligand, NAD+  binds to enzymes and transfers electrons between molecules. Electrons are the atomic basis for cellular energy and by transferring them from one molecule to the next, NAD+ acts through a cellular mechanism similar to recharging a battery. A battery is depleted when electrons are expended to provide energy. Those electrons can’t return to their starting point without a boost. In cells, NAD+ serves as that booster. In this way, NAD+ can decrease or increase enzyme activity, gene expression, and cell signaling. 

NAD+ Helps Control DNA Damage

As organisms grow older, they accrue DNA damage due to environmental factors such as radiation, pollution, and imprecise DNA replication. According to the current aging theory, the accumulation of DNA damage is the main cause of aging. Almost all cells contain the ‘molecular machinery’ to repair this damage. This  machinery consumes NAD+ and energy molecules. Therefore, excessive DNA damage can drain valuable cellular resources.

One important DNA repair protein, PARP (Poly (ADP-ribose) polymerase), depends on NAD+ to function. Older individuals experience decreased levels of NAD+. The accumulation of DNA damage as a result of the normal aging process leads to increased PARP, which causes decreased NAD+ concentration. This depletion is exacerbated by any further DNA damage in the mitochondria.

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