NAD+ is a key intracellular molecule that directly affects energy metabolism, mitochondrial function, DNA repair, and the regulation of aging processes. It is present in every cell of the body and participates in thousands of biochemical reactions that determine energy levels, stress tolerance, and biological age.
NAD+ is a key intracellular molecule that directly affects energy metabolism, mitochondrial function, DNA repair, and the regulation of aging processes. It is present in every cell of the body and participates in thousands of biochemical reactions that determine energy levels, stress tolerance, and biological age.
General information
| Features | Values |
|---|---|
| The peptide sequence | N/A |
| The molecular formula | C21H27N7O14P2 |
| Molecular weight | 663.4 g/mol |
| CAS Number | 53-84-9 |
| PubChem CID | 5892 |
| Synonyms | NAD+, NAD, Nadide, beta-NAD, Coenzyme I |
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Our Cagrilintide is supplied as a freeze-dried powder. This process prolongs the shelf life and preserves the purity and integrity of the peptide without the use of any fillers.
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NAD+ is a nicotinamide adenine dinucleotide, a universal cellular coenzyme that plays a central role in energy metabolism, mitochondrial function, redox reactions, DNA repair, and the work of NAD+-dependent enzymes, including sirtuins and PARP. That is why NAD+ is often included in anti-age and metabolic research directions, although from a scientific point of view it is more correct to refer it not to peptides, but to key cellular metabolites. Modern reviews emphasize that NAD+ is involved in glycolysis, β-oxidation of fatty acids, the Krebs cycle, oxidative phosphorylation, and the cellular response to DNA damage. The role of NAD+ metabolism and its modulation of mitochondria in aging and disease | npj Metabolic Health and Disease
Energy metabolism and mitochondria
The main research area of NAD+ is related to its role in cellular energy and mitochondrial metabolism. NAD+ is necessary for the operation of many dehydrogenases and serves as a key electron carrier in reactions that ensure the synthesis of ATP. Current reviews emphasize that NAD+ homeostasis disorders are associated with mitochondrial dysfunction, decreased cellular energy, and metabolic disorders, which is why the molecule remains one of the central targets in research on aging and metabolic adaptation. The role of NAD+ metabolism and its modulation of mitochondria in aging and disease | npj Metabolic Health and Disease
Aging and cellular longevity
A separate interest in NAD+ is associated with an age-related decrease in its level in tissues. Recent publications have noted that a decrease in NAD+ is associated with mitochondrial vulnerability, accumulation of DNA damage, inflammatory shifts, and a deterioration in the cellular response to stress. It is against this background that NAD+ and its boosters are being actively studied in the longevity field as tools to support cellular homeostasis and metabolic stability. At the same time, the reviews emphasize that the biological logic is very strong, but the clinical effects in humans are still heterogeneous and depend on the form of intervention and the population. The role of NAD+ metabolism and its modulation of mitochondria in aging and disease - PMC
DNA repair and cellular stress
NAD+ is important not only for energy, but also as a substrate for PARP enzymes involved in DNA repair, and for sirtuins associated with epigenetic regulation and stress response of the cell. Therefore, NAD+ is considered as one of the basic molecules for studies of genomic stability, response to oxidative stress, and recovery from cellular damage. It is this dual role, as a metabolic coenzyme and as a signaling molecule for longevity and repair enzymes, that makes it particularly valuable in anti-aging and regenerative research. The role of NAD+ metabolism and its modulation of mitochondria in aging and disease | npj Metabolic Health and Disease
Immune and inflammatory regulation
NAD+ is also being studied in the context of immune function, as it affects the metabolic reprogramming of immune cells, including macrophages and T cells. Modern reviews describe the relationship of NAD+ metabolism with the regulation of innate and adaptive immune responses, as well as with inflammatory and autoimmune processes. This makes NAD+ an important research molecule not only for mitochondria and aging, but also for immunometabolism. NAD + metabolism and function in innate and adaptive immune cells - PMC
Autophagy and cellular homeostasis
Another important area is related to the fact that NAD+ homeostasis is closely related to autophagy and cellular purification systems. The 2025 reviews emphasize that NAD+ metabolic disorders are associated with nutritional-sensing pathways dysfunction and deterioration of cellular quality control. Therefore, NAD+ is considered as one of the basic molecules for research on cellular renewal, stress resistance, and maintenance of tissue homeostasis. NAD+ Homeostasis and Autophagy: Integrated Control Through Nutrient Signaling in Yeast and Mammals - PMC
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