MOTS-c vs NAD+: what the research literature compares
MOTS-c is a 16-residue peptide encoded in mitochondrial DNA, while NAD+ is a dinucleotide redox coenzyme and not a peptide at all. Both sit in mitochondrial and metabolic research, but one literature measures signalling by a peptide and the other measures a cofactor's synthesis, consumption and redox state.2573845933930322
This page does not say which is preferable for any purpose, and nothing on this site does.
Compound identifiers, side by side
| Property | MOTS-c | NAD + |
|---|---|---|
| What it is | Synthetic 16–amino-acid peptide (hexadecapeptide) | Dinucleotide redox coenzyme — not a peptide |
| CAS | 1627580-64-6 | 53-84-9 |
| Molecular formula | C101H152N28O22S2 | C21H27N7O14P2 |
| Molar mass | 2174.6 g/mol | 663.43 g/mol |
| Research areas in the literature | Mitochondrial biology, Metabolic signalling | Mitochondrial biology, Metabolic signalling, Cellular senescence |
Shared research areas: Mitochondrial biology, Metabolic signalling. A shared area means the two are examined in the same field of study — not that they are examined through the same mechanism, and not that findings for one transfer to the other.
What each literature examines
The characterization below reflects published research literature only. It describes what that literature examines; it is not a statement about use in people. Both compounds are investigational research material and neither is an approved product.
MOTS-c
MOTS-c is examined as a mitochondrially encoded signalling peptide, with reported endpoints in AMPK-pathway activity, glucose handling, and translocation to the nucleus under metabolic stress, where it regulated nuclear gene expression.25738459257384532998324631378979
Study material
Cultured cells and laboratory models in the founding reports and the nuclear-translocation work, with a commentary and an overview placing them in mitochondrial-nuclear signalling.25738459299832462573845331378979
NAD +
NAD+ is examined as the NAD+/NADH redox couple and as a substrate consumed by sirtuins, CD38 and poly(ADP-ribose) polymerases, with much of the record concerned with how its biosynthesis and turnover are regulated.33353981339303223902603740693873
Study material
Literature syntheses across model systems, alongside biochemical characterisation of the biosynthetic pathway in a bacterial system.33353981339303223902603740693873
Purity, and how to check both yourself
Purity here is a measurement, not a position. The lot currently shipping of each was analysed by an independent laboratory for purity and net content. We do not test our own material.
No assayed purity figure is published for NAD +, so none is claimed here and no purity row appears below for it. Its certificate is published; the purity figure is not, and an absent row never implies a value.
| Measurement | MOTS-c | NAD + |
|---|---|---|
| Testing laboratory | Janoshik | Janoshik |
| Lot | white cap | Green |
| Verify key | X9QFDRJ85UYG | VC63IEZ7H6YF |
Enter either verify key at janoshik.com/verify and the laboratory returns the report it issued for that batch. You are confirming the result with them, not with us. Full certificates: MOTS-c · NAD +
We report assayed purity and net content only. We do not run heavy-metal, microbial, endotoxin, or sterility analysis, and we do not claim it anywhere on this site.
Frequently asked questions
- Is NAD+ a peptide like MOTS-c?
No. NAD+ is nicotinamide adenine dinucleotide, a redox co-factor that interconverts with NADH and is also a substrate for signalling enzymes; MOTS-c is a short peptide encoded within the mitochondrial genome.3902603729983246
- Where do the two literatures overlap?
Both concern mitochondrial and metabolic biology. The MOTS-c record reports AMPK-dependent signalling, and the NAD+ record reports the cofactor's place in energy metabolism and in non-redox enzyme reactions; the overlap is the field, not the mechanism.2998324633353981
- What has been reported about how MOTS-c acts in cells?
Under glucose restriction, MOTS-c was reported to translocate to the nucleus in an AMPK-dependent manner and regulate a broad range of nuclear genes — a mitochondrial-encoded factor acting on nuclear gene expression.2998324631378979
- Why does the NAD+ literature focus on synthesis and turnover?
Because NAD+ is continuously consumed by non-redox reactions — its half-life is reported in the order of minutes in some tissues — so its level reflects a balance of biosynthesis and breakdown that the literature describes as a central open question.3393032239026037
Cited literature
- The mitochondrial-derived peptide MOTS-c promotes metabolic homeostasis and reduces obesity and insulin resistanceLee C, et al. · Cell Metabolism · 2015PMID 25738459 ↗
- Evolving concepts in NAD+ metabolismChini CCS, et al. · Cell Metabolism · 2021PMID 33930322 ↗
- A mitochondrially encoded hormone ameliorates obesity and insulin resistanceZarse K, Ristow M · Cell Metabolism · 2015PMID 25738453 ↗
- The Mitochondrial-Encoded Peptide MOTS-c Translocates to the Nucleus to Regulate Nuclear Gene Expression in Response to Metabolic StressKim KH, et al. · Cell Metabolism · 2018PMID 29983246 ↗
- MOTS-c: A Mitochondrial-Encoded Regulator of the NucleusBenayoun BA, Lee C · BioEssays · 2019PMID 31378979 ↗
- NAD+ metabolism and its roles in cellular processes during ageingCovarrubias AJ, et al. · Nature Reviews Molecular Cell Biology · 2021PMID 33353981 ↗
- Regulation of and challenges in targeting NAD+ metabolismMigaud ME, et al. · Nature Reviews Molecular Cell Biology · 2024PMID 39026037 ↗
- Characterization of the Nicotinamide Adenine Dinucleotide Biosynthesis Pathway and Regulatory Mechanisms in Streptococcus mutansYu H, et al. · The FASEB Journal · 2025PMID 40693873 ↗
Research-literature characterization, provided for research context only. For laboratory research use only. Not for human consumption.