In human tissue analysis, NAD+ levels fell roughly half by around age 50 — one of the most-cited observations linking this molecule to aging.
Approximate decline reported in cross-age human tissue analysis.
Search peptides — top sellers first
Search peptides — top sellers first
Search peptides — top sellers first
Halved by 50, central to every aging hallmark
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Frequently bought together
Researchers usually add these to complete the protocol.

BAC Water · 3ml
Essential · extras

GHK-CU · 50mg
recovery

Melanotan 2 · 10mg
Tanning
NAD+ · 500mg
Certificate of analysis
We don't publish a brand-wide spec sheet and call it a “COA.” The certificate you receive references the actual lot number stamped on your vial — with the raw chromatograms attached.
Freedom Diagnostics
Independent analytical lab
Certificate of Analysis
RESULT · PASS
Analytical results
HPLC Chromatogram
Main peak 99.94% · other 0.06%
Alex Johnson
Principal Chemist
Scanned 37×
Know your compound
NAD+ is a coenzyme your cells use to turn food into usable energy. It's the essential helper molecule inside mitochondria, the tiny power plants that keep every cell running.
Its levels drop by roughly half by age 50 — a decline researchers have tied to nearly every hallmark of aging. That single fact has made restoring cellular NAD+ pools one of the most studied ideas in longevity science over the last decade.

For research use only — not for human or veterinary use.
The research
The published findings behind this compound — the headline numbers, in plain terms, each cited to source. Preclinical results are directional (animal / in-vitro) and shown for context, not as therapeutic claims.
In human tissue analysis, NAD+ levels fell roughly half by around age 50 — one of the most-cited observations linking this molecule to aging.
Approximate decline reported in cross-age human tissue analysis.
In cellular studies, NAD+ acts as the fuel for sirtuins and PARP DNA-repair enzymes — so when NAD+ runs low, researchers observe these repair and signaling pathways slow down.
Directional relationship; heights illustrate the reported dependence, not measured values.
In cell and animal models, NAD+ is described as a core cofactor for mitochondrial energy production — and its decline tracks with reduced mitochondrial function.
Required for mitochondrial energy metabolism
Qualitative role reported across cell and animal models.
In review literature, NAD+ decline has been tied to several of the recognized hallmarks of aging — a breadth of links that drives ongoing longevity research.
Illustrative count based on review discussion, not a precise tally.

Mechanism
A central metabolic coenzyme studied for the cellular routes that decline with age.
Studied for fueling the energy metabolism that every cell depends on.
Investigated for supplying the repair enzymes (sirtuins, PARPs) that depend on NAD+.
Researched for restoring pools tied to nearly every hallmark of aging.
For research use only. Mechanisms described reflect published research literature.
The process
Synthesized
Produced under controlled manufacturing with documented, repeatable processes.
HPLC purity
An independent lab reports the exact purity of every lot — a number, never a 'passes'.
Mass-spec identity
Molecular weight confirms the exact sequence is what the label says.
COA published
The certificate is posted to the open library, by lot, before the vial ships.
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FAQ
Common questions about NAD+
The COA guarantee
Have any lot independently re-tested. If the results don't match the published certificate, we refund the order in full — no returns, no questions.
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A lot-specific certificate ships with each vial, archived by batch.
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