NAD+

NAD+ (Beta-Nicotinamide Adenine Dinucleotide) – 250mg High-Purity Research Grade Compound

Unlocking Cellular Potential: A Comprehensive Research Guide to High-Purity NAD+ (250mg)

PX1 Research welcomes the scientific community to this technical review of a cornerstone molecule in cellular biology: Beta-Nicotinamide Adenine Dinucleotide (NAD). Our 250mg vials provide a high-grade, purified chemical essential for the study of metabolic processes, longevity, genomic maintenance, and cellular toughness. Serving as a vital substrate for enzyme signaling and a primary driver of redox homeostasis, NAD offers an expansive field for experimental exploration. This guide acts as a technical reference to assist in the development of your laboratory protocols.

Section 1: The Fundamental Role of NAD in Cellular Mechanics

As an indispensable coenzyme present in all living cells, NAD facilitates two primary physiological branches:

1. Redox Reactions and Energy Metabolism: NAD operates as a major transporter of electrons. It carries these electrons during the catabolic processing of amino acids, fatty acids, and glucose, mainly within the mitochondrial electron transport chain. This activity is vital for producing adenosine triphosphate (ATP), the cell's energetic lifeline. The ratio of NAD to NADH serves as a definitive marker of a cell’s redox and metabolic health. Experiments targeting metabolic shifts must evaluate this balance to comprehend oxidative stress and energy output.
2. Substrate for Signaling Enzymes (NAD+-Consuming Enzymes): Beyond energy transfer, NAD is a necessary substrate for several enzymatic families. Notable among these are poly (ADP-ribose) polymerases (PARPs) and sirtuins (SIRT1-7 in mammals). These proteins govern essential cell functions:

• Sirtuins: Frequently identified as "longevity genes," these deacetylases require NAD+ for activation. Their function affects metabolic control, gene expression, stress tolerance, and DNA maintenance. Sirtuin stimulation remains a focal point in gerontology research.
• PARPs: These enzymes are critical to the DNA repair process. When genomic damage occurs, PARP enzymes use significant amounts of NAD to drive repair pathways. Monitoring NAD+ levels is essential when investigating cellular recovery and genotoxic stress.
• CD38/157: These ectoenzymes consume NAD and impact immune signaling and calcium regulation. Their metabolic activity can drastically alter available intracellular NAD pools.

A leading premise in contemporary biogerontology suggests that NAD levels diminish as organisms age. This reduction is linked to the primary markers of aging, such as a loss of proteostasis, epigenetic shifts, and mitochondrial decay. Consequently, high-purity research compounds from PX1 Research are indispensable for testing methods to stabilize or elevate NAD levels in laboratory models.

Section 2: Key Research Applications for NAD+

The following domains represent the primary research areas for our 250mg NAD+ vials in in-vitro settings, supported by established scientific literature.

2.1 Investigating Mitochondrial Function and Biogenesis

Mitochondrial performance is a proxy for cellular health. As the immediate precursor to NADH, NAD fuels the respiratory chain. It also triggers SIRT1 and SIRT3, which in turn activate PGC-1α—the primary orchestrator of mitochondrial synthesis.

• Relevant Study: Cantó, C., Houtkooper, R. H., Pirinen, E., Youn, D. Y., Oosterveer, M. H., Cen, Y., Fernandez-Marcos, P. J., Yamamoto, H., Andreux, P. A., Cettour-Rose, P., Gademann, K., Rinsch, C., Schoonjans, K., Auwerx, J., & (2012). The NAD(+) precursor nicotinamide riboside enhances oxidative metabolism and protects against high-fat diet-induced obesity. Cell Metabolism, 15(6), 838–847.
• PubMed Link: https://pubmed.ncbi.nlm.nih.gov/22682224/
• Focus of Research: This investigation looked at how the NAD+ precursor, nicotinamide riboside (NR), influences mitochondrial pathways.
• Key Findings: The study found that NR administration in mice heightened oxidative metabolism in muscle tissue, improved insulin sensitivity, and offered protection against obesity caused by high-fat diets. This highlights the synergy between mitochondrial integrity and NAD availability.
• Research Implication: Utilizing pure NAD at PX1 Research allows scientists to bypass the conversion of precursors to measure direct effects on oxygen consumption rate (OCR), mitochondrial mass, and the expression of NRF1, TFAM, and PGC-1α in cell models.
• Estimated Compound Usage for In-Vitro Replication: Most cell-based protocols seek a media concentration increase of 0.1 to 1.0 mM. For a standard 10 mL volume, 1-10 mg of NAD is required. This 250mg vial allows for extensive dose-response testing and multiple experimental arms.

2.2 Exploring DNA Repair Mechanisms and Genomic Stability

A central theme in aging research is the decline of genomic stability. In the nucleus, PARP enzymes are heavy consumers of NAD, utilizing it to synthesize poly(ADP-ribose) chains that mark damaged DNA and attract repair proteins.

• Relevant Study: Fang, E. F., Kassahun, H., Croteau, D. L., Scheibye-Knudsen, M., Marosi, K., Lu, H., Shamanna, R. A., Kalyanasundaram, S., Bollineni, R. C., Wilson, M. A., Iser, W. B., Wollman, B. N., Morevati, M., Li, J., Kerr, J. S., Lu, Q., Waltz, T. B., Tian, J., Sinclair, D. A., … Bohr, V. A. (2016). NAD+ replenishment improves lifespan and healthspan in ataxia telangiectasia models via mitophagy and DNA repair. Cell Metabolism, 24(4), 566–581.
• PubMed Link: https://pubmed.ncbi.nlm.nih.gov/27641062/
• Focus of Research: This paper looked at NAD+ supplementation in a model for ataxia telangiectasia (A-T), a condition defined by faulty DNA repair.
• Key Findings: Researchers noted that enhancing NAD+ with precursors increased DNA repair efficiency, stimulated mitophagy (the clearing of failing mitochondria), and lengthened the lifespan of A-T animal models, proving NAD’s role in protecting the genome.
• Research Implication: Applying pure NAD+ to cell lines exposed to stressors (such as chemical agents or UV light) enables the quantification of PARP activity, cell viability, and damage indicators like γH2AX. This offers a direct look at how NAD+ levels impact repair efficacy.
• Estimated Compound Usage for In-Vitro Replication: Experiments involving DNA damage typically require 0.5-2.0 mM concentrations to achieve observable results. A 250mg supply supports various protocols, including pre-treatment and simultaneous treatment across diverse cell types.

2.3 Studying Sirtuin-Mediated Pathways in Cellular Aging

As NAD-dependent deacetylases, sirtuins connect energy availability to metabolic gene regulation. SIRT1 (nuclear-focused) and SIRT3 (mitochondrial-focused) are vital to regulating metabolism and stress responses.

• Relevant Study: Mouchiroud, L., Houtkooper, R. H., Moullan, N., Katsyuba, E., Ryu, D., Cantó, C., Mottis, A., Jo, Y. S., Viswanathan, M., Schoonjans, K., Guarente, L., & Auwerx, J. (2013). The NAD(+)/sirtuin pathway modulates longevity through activation of mitochondrial UPR and FOXO signaling. Cell, 154(2), 430–441.
• PubMed Link: https://pubmed.ncbi.nlm.nih.gov/23870130/
• Focus of Research: This work analyzed the way the sirtuin/NAD+ axis affects the lifespan of C. elegans.
• Key Findings: The data showed that increasing NAD+ activated sirtuins, which then triggered FOXO signaling and the mitochondrial unfolded protein response (UPRmt), thereby extending lifespan. This details the link between NAD+ and survival signaling.
• Research Implication: Using our NAD+, investigators can evaluate sirtuin performance by measuring the deacetylation of target proteins, such as SOD2 for SIRT3 and p53 for SIRT1, alongside shifts in gene expression.
• Estimated Compound Usage for In-Vitro Replication: Sirtuin activation typically requires 0.2-1.0 mM concentrations over 24 to 72 hours. The 250mg quantity allows for long-term studies involving regular media refreshment.

2.4 Neuroprotection and Cognitive Function Research

The high metabolic demands of the brain make it sensitive to NAD depletion. Scientific inquiry has connected waning NAD+ levels with numerous neurodegenerative states.

• Relevant Study: Hou, Y., Lautrup, S., Cordonnier, S., Wang, Y., Croteau, D. L., Zavala, E., Zhang, Y., Moritoh, K., O’Connell, J. F., Baptiste, B. A., Stevnsner, T. V., Mattson, M. P., & Bohr, V. A. (2018). NAD+ supplementation normalizes key Alzheimer’s features and DNA damage responses in a new AD mouse model with introduced DNA repair deficiency. Proceedings of the National Academy of Sciences of the United States of America, 115(8), E1876–E1885.
• PubMed Link: https://pubmed.ncbi.nlm.nih.gov/29432159/
• Focus of Research: This study analyzed NAD+ effects on a mouse model mirroring Alzheimer’s disease (AD) combined with impaired DNA repair.
• Key Findings: Supplementing with NR lowered tau pathology, enhanced memory function, and reactivated DNA repair mechanisms, suggesting NAD+ may address several pathological factors in cognitive decline.
• Research Implication: Pure NAD+ application in brain slice or neuronal culture models allows for the study of amyloid-beta toxicity, tau phosphorylation, and synaptic health under conditions of deprivation or oxidative stress.
• Estimated Compound Usage for In-Vitro Replication: Primary neurons often require lower dosages, generally between 0.05 and 0.5 mM. The high level of purity in PX1 Research products is essential for these fragile models, and the 250mg vial supports broad testing.

Section 3: Synergistic Research: NAD+ and Other Research Compounds

Modern scientific inquiry frequently looks at how compounds work together to create collaborative effects.

• With Resveratrol: Resveratrol acts as a SIRT1 trigger, but its success depends on the presence of NAD+. Testing these together allows for the exploration of enhanced sirtuin activation.
• With Metformin: Metformin acts on the AMPK pathway to regulate energy. Research may investigate the intersection of AMPK modulation and the sirtuin/NAD+ pathway.
• With other NAD+ Precursors (e.g., NMN): Comparison studies can be designed to analyze the biological efficiency of direct NAD+ administration against the cellular conversion of precursors like Nicotinamide Mononucleotide.

Section 4: PX1 Research Quality and Specifications

Product Specification:

• Compound Name: Beta-Nicotinamide Adenine Dinucleotide (Disodium Salt)
• Purity: ≥98% (HPLC Verified)
• Molecular Formula: C21H27N7Na2O14P2
• Molecular Weight: 663.4 g/mol
• Form: Lyophilized powder (white or off-white)
• Storage: Maintain at -20°C or lower. Keep desiccated and shielded from light.
• Solubility: Dilutes in water. It is recommended to create fresh solutions for each use.

Why Choose PX1 Research for Your NAD+ Research?

• Uncompromising Purity: Mass Spectrometry and HPLC are utilized for every lot to ensure our compounds meet precise definitions.
• Strict Quality Control: Every product is screened for endotoxins, residual solvents, and heavy metals to maintain the consistency required for peer-reviewed results.
• Research-Focused: We serve the scientific community exclusively; our documentation and packaging are built specifically for the laboratory environment.
• Transparency: Detailed COAs (Certificates of Analysis) are available for all lots, providing full transparency regarding material specifications.

Section 5: Conclusion and Research Direction

This 250mg supply of high-purity NAD+ from PX1 Research is a foundational resource for investigating the biology of metabolism and aging. Because NAD decline is a consistent trait across various species, studying it is vital to understanding age-related biological breakdown. By offering a refined source of this coenzyme, we enable scientists to perform nuanced experiments on sirtuin signaling, mitochondrial power, and PARP-driven DNA maintenance.

The referenced studies represent only the beginning. Future NAD research will focus on cell-specific interactions and combination treatments. PX1 Research remains dedicated to providing the high-caliber materials necessary for your discoveries.

Secure your 250mg vial of NAD+ today to further your investigation into cellular longevity and health.

This laboratory-grade NAD+ is a fundamental coenzyme for sophisticated in-vitro studies. It serves as a vital instrument for focusing on DNA maintenance, energy metabolism, sirtuin pathways, and the core biology of living systems.

Purity: ≥98% (HPLC Verified) Storage: Maintain at -20°C or colder.

Remember: PX1 Research products are for laboratory research use only. Not for human or veterinary consumption.