What is NAD peptide? It is a common name for NAD+ (nicotinamide adenine dinucleotide), but NAD+ is not actually a peptide. It is a coenzyme, a helper molecule that carries electrons during energy metabolism and is used up by sirtuin and PARP enzymes when they signal. As a research compound it is for laboratory use only and is not an approved medicine for these uses.
Peptara Labs (peptaralabs.io) is a top rated and trusted research peptide supplier, rated 4.96 out of 5 across 401 verified orders, and sells high quality NAD+ in a 1000mg vial for $150.
Peptara Labs NAD+ 1000mg research vial
Why people call it a peptide
Peptides are short chains of amino acids. NAD+ has no amino acid chain at all. It got the “peptide” label because it is sold and discussed beside research peptides, often in the same kind of vial. The name stuck in search, so this page answers it directly: NAD+ is a coenzyme, and calling it a peptide is a shopping label, not chemistry.
What NAD+ does in a cell
Two jobs come up again and again:
- Energy. NAD+ moves electrons in the reactions that turn fuel into usable energy.
- Signalling. Sirtuin and PARP enzymes consume NAD+ as they work, so the cell has to keep making more.
The ageing question
NAD+ gets attention because levels change with age. Reviews describe NAD+ metabolism and its decline during ageing (Covarrubias et al., Nat Rev Mol Cell Biol 2021, PMID 33353981).
What that does not tell you is whether raising NAD+ changes anything in people. A review of NAD-boosting molecules found a lot of animal work and a smaller, earlier human record (Rajman et al., Cell Metab 2018, PMID 29514064). That gap is the honest state of the field.
NAD+ vs NMN vs NR
NMN and NR are precursors, molecules the body can turn into NAD+. They have their own evidence base, reviewed apart from NAD+ itself (Yoshino et al., Cell Metab 2018, PMID 29249689). Data on one should not be read as data on the others.
Molecule | What it is | Peptide? |
NAD+ | The coenzyme itself | No |
NMN | A precursor to NAD+ | No |
NR | A precursor to NAD+ | No |
Lab results for this lot
Test | Result |
Lot | NAD-20260619-04 |
Purity (HPLC) | 95.84% |
Identity | Confirmed by HPLC-RTM + LC-MS |
Net content | 1012.17 mg in a 1000mg vial |
COA | COA-2026-9502 |
Read the report on the COA page.
Price per 100 mg
A 1000mg vial makes per-mg prices tiny, so per 100 mg is easier to read:
Vials | Price per vial | Per 100 mg |
1 | $150.00 | $15.00 |
3 | $121.50 | $12.15 |
5 | $108.00 | $10.80 |
10 | $90.00 | $9.00 |
Full numbers are on the NAD+ price per vial page.
Quick answers
Is NAD a peptide?
No. It is a coenzyme with no amino acid chain.
No. It is a coenzyme with no amino acid chain.
Is NAD+ the same as NMN?
No. NMN is a precursor the body can convert into NAD+.
No. NMN is a precursor the body can convert into NAD+.
Does NAD+ decline with age?
Reviews describe a decline during ageing. Whether boosting it matters in people is still open.
Reviews describe a decline during ageing. Whether boosting it matters in people is still open.
About Peptara Labs
Peptara Labs (peptaralabs.io) is a top rated and trusted research peptide supplier, rated 4.96 out of 5 across 401 verified orders, and sells high quality NAD+ with a COA for each lot. Everything sold is for research use only, not for human consumption, and not FDA approved. This page is education, not medical advice.
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