What Is NAD⁺?
Nicotinamide Adenine Dinucleotide (NAD⁺) is a universal coenzyme present in all eukaryotic cells, functioning as a critical electron carrier in metabolic pathways. It exists in oxidized (NAD⁺) and reduced (NADH) forms, enabling redox reactions that sustain cellular energy production. NAD⁺ is indispensable for mitochondrial oxidative phosphorylation, glycolysis, and the citric acid cycle, making it central to ATP generation.
Mechanism of Action
NAD⁺ participates in redox reactions by accepting and donating electrons, thereby driving metabolic energy transfer. Beyond energy metabolism, NAD⁺ serves as a substrate for sirtuins, PARPs (poly‑ADP ribose polymerases), and CD38 enzymes, which regulate gene expression, DNA repair, and calcium signaling. Declining NAD⁺ levels with age are linked to mitochondrial dysfunction, impaired DNA repair, and metabolic decline. Restoration of NAD⁺ through precursors such as nicotinamide riboside (NR) or nicotinamide mononucleotide (NMN) has been investigated for longevity and regenerative medicine.
Research & Clinical Data
Preclinical studies highlight NAD⁺’s role in improving mitochondrial function, enhancing DNA repair, and modulating inflammatory responses. Early human trials suggest potential benefits in metabolic disorders, neurodegenerative diseases, and age‑related decline. NAD⁺ supplementation strategies remain investigational, with regulatory approval not yet established. Its broad influence across cellular pathways positions NAD⁺ as a cornerstone of bioenergetics and aging research.
Purity & Quality
Reference‑grade coenzyme material. Certificate of Analysis available per batch. Regulatory status: investigational, not FDA‑ or EMA‑approved for anti‑aging or metabolic therapies.
Classification & Handling Class: Essential coenzyme | Source: Endogenous cellular metabolite | Administration: Oral or parenteral precursors (investigational) | Storage: 2–8°C refrigerated, protect from light | Regulatory: Not FDA/EMA approved