NAD+ as a Metabolic-Aging Research Tool, Pathways and Protocols
NAD+ underpins the sirtuin family and >500 enzymatic reactions. Why it matters for aging-research labs and how to source verified material.

In a Canadian research-peptide context, NAD+ sits within the longevity class of reference standards. This post collects what HPLC-verified labs need to know about sourcing, storing, and reproducibly using this material, drawn from public literature. NAD+ 500 mg is stocked by Pure North Peptides, the handling notes below apply to verified reference material from any qualified supplier.
Why NAD+ matters
Pure North publishes laboratory reports for the samples and vial sizes listed in Lab Results. Each report identifies its method, reference, area purity and measured content. Open the matching product page to check coverage for the size you select. A report does not cover every size or future lot; contact customer service if your vial reference differs. Bacteriostatic water has no COA.
The protocol short-version
For Canadian research labs working with NAD+, the lifecycle is: on receiving the vial, transfer it immediately to a research-grade −20 °C freezer, reconstitute in sterile bacteriostatic water at the working concentration your protocol specifies, and use within a validated, material-specific stability window. Avoid repeated freeze-thaw cycles, the effect depends on the material and handling conditions.
Cross-batch reproducibility
Match the compound, vial size and lot or assigned reference before relying on a report. If a reference differs from the vial label, contact purenorthpeptides@proton.me for the documented connection. A report does not cover another size or future lot. Keep the original report and research records when investigating unexpected results; a published COA does not establish a retain-sample programme.
Sourcing in Canada
NAD+ 500 mg is stocked by Pure North Peptides. For the reference standards we do carry, Pure North is Canadian-based and ships across Canada via Canada Post Xpresspost, orders are dispatched within 24-48 hours, with typical transit around 4 days. Free shipping over $300 CAD; flat $30 below that. Browse the current catalog at /products/. Read more on storage and handling in our storage guide, our shipping policy, lot verification at /coa-verify/, or the public lot archive at /lab-results/.
For laboratory research use only. Reference information, not medical advice or human-use guidance.

