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High-Purity NAD⁺ for Canadians
NAD⁺ (Nicotinamide Adenine Dinucleotide) remains one of the most widely studied molecules in Canadian academic and scientific environments. As research in cellular energy metabolism expands through 2025 and 2026, demand for high-purity NAD⁺ continues to grow in Canadian laboratories and controlled scientific settings. As a universal coenzyme found in all living cells, it plays a critical, dual role: mediating energy transfer and acting as a signaling molecule for pathways essential to DNA integrity and metabolic health [1].
The sustained research interest in NAD+ and its precursors (like NMN and NR) is driven by the consistent finding that cellular NAD+ levels decline significantly with age, leading to impairments in nuclear and mitochondrial function [2, 3].
This guide covers:
All NAD⁺ discussed here is strictly for laboratory, scientific, and in-vitro research.
Not for human or animal use.
NAD+ is a dinucleotide composed of two nucleotides joined through their phosphate groups: one containing an adenine base and the other containing nicotinamide. Its importance stems from two distinct roles:
NAD+ is central to bioenergetics. It acts as the major hydride acceptor in hundreds of metabolic reactions, including glycolysis, the citric acid cycle, and fatty acid oxidation [4].
Oxidized Form (NAD+): Acts as an oxidizing agent (electron acceptor).
Reduced Form (NADH): Acts as a reducing agent (electron donor), supplying electrons to the electron transport chain to generate ATP [4].
Research Focus: Labs study the NAD+/NADH ratio as a core indicator of cellular redox state and metabolic health.
NAD+ is continually consumed as a substrate by a family of NAD+-dependent enzymes, making it a key signaling molecule [1].
Sirtuins (SIRTs): NAD+ is mandatory for the function of Sirtuin deacetylases (SIRT1-SIRT7), which regulate gene expression, chromatin remodeling, and metabolic homeostasis [2].
PARPs (Poly-ADP-Ribose Polymerases): NAD+ is consumed by PARPs, which are critical enzymes for DNA repair and maintenance of genomic stability [3].
The decline in cellular NAD+ levels observed with age is linked to both increased consumption and decreased synthesis [3].
DNA Damage: Increased DNA damage due to stress or age activates PARP1, which rapidly consumes large amounts of NAD+ to facilitate repair, leading to widespread cellular NAD+ depletion [3].
Cellular Senescence: This depletion impairs Sirtuin activity and mitochondrial function, exacerbating cellular dysfunction and contributing to phenotypes like cellular senescence (cells that stop dividing but remain metabolically active and secrete inflammatory factors) [5].
Research Goal: Canadian laboratories use high-purity NAD+ and its precursors to study strategies for restoring cellular NAD+ pools and mitigating these age-related functional defects.
Canadian researchers generally require:
NAD⁺ quality directly affects the reliability of metabolic and enzymatic research outcomes.
In Canada, NAD⁺ is handled under research-use-only (RUO) classification.
This means:
All information here aligns with those requirements.
NAD⁺ pricing in Canada depends on:
Typical price ranges:
| NAD⁺ Type | Price |
|---|---|
| Research-grade standard | $149–$179 |
| High-purity analytical grade | $169–$219 |
Pricing increases when suppliers provide additional verification and batch documentation.
Canadian researchers typically prefer domestic NAD⁺ suppliers because of:
NAD⁺ stability improves significantly when stored and shipped under proper conditions.
Most Canadian labs look for suppliers that provide:
For foundational peptide and molecule sourcing across Canada, you can refer to:
Peptides in Canada — 2025–2026 Research Guide
(/peptides-canada/)
[4] Verdin, E. (2015). NAD+ in aging, metabolism, and neurodegeneration. Science.
All content is for educational and scientific reference only.
All materials discussed are strictly for research, laboratory, and in-vitro use only.
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