When seeking to purchase NAD+ for laboratory research, qualified investigators require rigorous analytical standards, lot-specific verification, and reliable supply chains. PX1 Research supplies high-purity, USA-manufactured Nicotinamide Adenine Dinucleotide (NAD+) backed by comprehensive RP-HPLC and mass spectrometry testing to support precise, reproducible in vitro and preclinical experimental models.
When seeking to purchase NAD+ for laboratory research, qualified investigators require rigorous analytical standards, lot-specific verification, and reliable supply chains. PX1 Research supplies high-purity, USA-manufactured Nicotinamide Adenine Dinucleotide (NAD+) backed by comprehensive RP-HPLC and mass spectrometry testing to support precise, reproducible in vitro and preclinical experimental models.
In biochemical and cellular research, maintaining consistent substrate purity is critical for generating reliable experimental data. Principal investigators seeking to purchase NAD+ for in vitro assays or animal models must ensure their supply source provides transparent analytical documentation. Impurities or degradation products such as hydrolyzed pyridine nucleotides can alter enzymatic kinetics, skew spectrophotometric measurements, and introduce confounding variables into metabolic assays.
PX1 Research delivers reference-standard compounds designed strictly for laboratory evaluation. Each batch of our NAD+ research compound undergoes independent testing in an ISO 17025-accredited laboratory. By maintaining rigorous quality assurance protocols from synthesis through final packaging, PX1 Research provides researchers with predictable molecular behavior across cellular energetics, genomic stability, and enzymatic activation studies.
Nicotinamide Adenine Dinucleotide (NAD+) is a central dinucleotide coenzyme found in all living cells. Structurally composed of two nucleotides joined through their phosphate groups—one containing an adenine base and the other a nicotinamide ring—NAD+ functions as a primary electron acceptor in cellular redox reactions. In its oxidized state (NAD+), the molecule accepts high-energy electrons to form its reduced counterpart (NADH), driving ATP synthesis through mitochondrial oxidative phosphorylation.
Beyond its classic role as a redox intermediate, NAD+ serves as an essential co-substrate for several families of regulatory enzymes. These include the silent information regulator (Sirtuin) family of deacetylases (SIRT1–SIRT7), poly(ADP-ribose) polymerases (PARPs), and cyclic ADP-ribose synthases (CD38/CD157). Preclinical literature indicates that intracellular concentrations of NAD+ directly modulate the signaling cascades governing DNA repair, chromatin remodeling, mitochondrial biogenesis, and inflammatory response pathways.
In vitro data indicate that manipulating extracellular or intracellular NAD+ pools significantly impacts cellular metabolic flux. In cell culture models evaluating cellular senescence and oxidative stress, research demonstrates that NAD+ availability modulates SIRT1-dependent deacetylation of target proteins, including p53 and NF-κB. These findings highlight the coenzyme's role in maintaining nuclear-mitochondrial communication during metabolic strain.
Rodent models investigating metabolic decline demonstrate that maintaining targeted NAD+ availability correlates with preserved mitochondrial respiratory capacity and altered expression of longevity-associated genes. Researchers examining all research peptides and metabolic cofactors frequently utilize NAD+ to measure enzymatic consumption kinetics, analyze PARP-1 mediated DNA damage responses, and map downstream metabolic signaling cascades in primary tissue cultures.
When designing protocols to investigate mitochondrial function and metabolic signaling, researchers often evaluate NAD+ alongside upstream precursors and peptide-based mitochondrial regulators. While NAD+ acts as the direct enzymatic co-substrate, precursor molecules like NMN require enzymatic conversion via the salvage pathway before altering intracellular NAD+ pools. Understanding whether a model requires direct coenzyme exposure or pathway-dependent precursor uptake is essential for experimental design.
In addition to nucleotide cofactors, researchers studying mitochondrial energy production frequently evaluate peptide compounds targeting mitochondrial membrane stability and biogenesis. For instance, the mitochondrial-derived peptide MOTS-c targets nuclear gene expression to regulate metabolic homeostasis, while SS-31 selectively binds to cardiolipin in the inner mitochondrial membrane to optimize electron transport. Comparing these distinct mechanisms within our research library hub allows investigators to isolate direct redox effects from broader mitochondrial signaling events.
To guarantee experimental consistency when you purchase NAD+, PX1 Research implements an uncompromising quality verification framework. Every production lot is subjected to Reverse-Phase High-Performance Liquid Chromatography (RP-HPLC) to verify chemical purity standards exceeding 98%. Furthermore, tandem Mass Spectrometry (MS) is performed to confirm precise molecular mass and structural identity, ensuring the absence of residual synthetic intermediates.
Because cellular assays are highly sensitive to bacterial contaminants, all PX1 Research compounds undergo quantitative chromogenic LAL testing to verify compliance with strict endotoxin thresholds. Each shipment is paired with a lot-specific Certificate of Analysis (COA) issued by an independent ISO 17025-accredited testing facility, guaranteeing full analytical transparency for academic, biotechnology, and institutional laboratories.
NAD+ is supplied as a sterile, lyophilized powder to maximize long-term chemical stability. When preparing solutions for in vitro research, investigators should utilize sterile, nuclease-free water or standard physiological buffers such as Phosphate-Buffered Saline (PBS). Due to the acid-labile nature of the nicotinamide-ribose linkage, maintaining a neutral pH (6.8–7.4) during reconstitution is critical to prevent spontaneous chemical hydrolysis.
For optimal dissolution, the lyophilized cake should be allowed to reach room temperature prior to reconstituting with solvent. Gentle manual agitation or mild vortexing is recommended; violent mechanical shearing should be avoided. Reconstituted stock solutions intended for enzymatic assays should be filter-sterilized using a 0.22 µm PES membrane if aseptic conditions are required for downstream cell culture models.
Lyophilized NAD+ exhibits high stability when stored under controlled conditions. Unopened vials should be preserved at -20°C in a desiccated environment protected from direct light exposure. Under these parameters, the dry compound retains structural integrity for extended periods without significant hydrolysis into nicotinamide or ADP-ribose.
Once dissolved in aqueous buffers, NAD+ undergoes progressive enzymatic and non-enzymatic degradation. Reconstituted stock solutions should be aliquoted into single-use microcentrifuge tubes to prevent repeated freeze-thaw cycles and stored at -80°C. Working solutions stored at 2–8°C should be utilized within 24 to 48 hours to prevent baseline shift in spectrophotometric and enzymatic assays.
PX1 Research streamlines procurement for academic institutions, contract research organizations (CROs), and private biotechnology facilities. Orders placed before 12:00 PM PST ship the same business day from our primary logistics centers in California and Arizona, ensuring rapid transit times and minimal environmental exposure during domestic transport.
For high-throughput research facilities requiring bulk quantities or dedicated lot reservation, PX1 Research provides customized bulk lab accounts. Our technical support team works directly with procurement departments to provide batch traceability documentation, custom packaging options, and schedule-based fulfillment to support ongoing long-term research projects.
How do I verify the purity when I purchase NAD+ from PX1 Research?
Every lot of NAD+ supplied by PX1 Research includes a lot-specific Certificate of Analysis (COA) verified by an independent ISO 17025-accredited laboratory. Analytical verification includes RP-HPLC for purity (>98%), Mass Spectrometry for structural identity, and LAL assays for endotoxin quantification.
Is the NAD+ supplied by PX1 Research suitable for human consumption?
No. All compounds provided by PX1 Research, including NAD+, are strictly intended for laboratory research and in vitro or preclinical testing. They are not for human or animal consumption, medical use, diagnosis, or therapeutic administration.
What solvents should be used to reconstitute NAD+ for in vitro assays?
NAD+ is highly soluble in aqueous media. For standard laboratory applications, reconstitute using sterile nuclease-free water or PBS (pH 7.2–7.4). Avoid strongly acidic solvents, which accelerate hydrolysis of the nicotinamide ring.
What are the recommended storage parameters for reconstituted NAD+ solutions?
Reconstituted NAD+ solutions should be divided into single-use aliquots and stored at -80°C to minimize thermal degradation and prevent freeze-thaw stress. Avoid storing working solutions at 2–8°C for longer than 48 hours.
How does NAD+ differ from precursor molecules like NMN in laboratory models?
NAD+ is the direct co-substrate required by enzymes such as Sirtuins and PARPs. Precursors like NMN require transport and enzymatic processing via the salvage pathway before being converted into intracellular NAD+.
What endotoxin controls are applied to PX1 Research compounds?
PX1 Research screens every production lot using kinetic chromogenic LAL testing to ensure endotoxin levels remain below established research thresholds, preventing non-specific inflammatory signaling in cell culture models.
Where does PX1 Research ship NAD+ orders from?
All orders are fulfilled directly from our facilities located in California and Arizona. Orders placed before 12:00 PM PST Monday through Friday ship same-day.
Can institutional laboratories set up bulk or recurring orders for NAD+?
Yes. Qualified institutional buyers, universities, and CROs can establish wholesale accounts through our sales team to reserve specific production lots, access volume discounts, and schedule recurring shipments.
All products are sold strictly for laboratory and research use only. Not for human or veterinary use, diagnosis, treatment or consumption. Statements have not been evaluated by the FDA.