MOTS-c
Sourcing GuideProcurement-quality evaluation of MOTS-c centres on six markers: lot-specific COA availability, HPLC purity ≥98%, mass spec confirmation matching 2174 Da, endotoxin testing for injectable routes, vendor regulatory disclosure, and cold-chain shipping options. Translocates to the nucleus under metabolic stress and activates AMPK signalling Improves insulin sensitivity, increases mitochondrial biogenesis, and protects against age-related muscle metabolic decline. Levels decline with age.. The QC discipline applies regardless of the application; sourcing standards do not relax for any particular use case.
Key Takeaways
Procurement lens: MOTS-c sourcing requires lot-specific COA, HPLC purity ≥98%, mass spec confirmation matching 2174 Da. Mechanism: Translocates to the nucleus under metabolic stress and activates AMPK signalling. Storage: lyophilised at -20°C for 18-24 months; reconstituted at 4°C for 14-28 days. Vendor tier: pharmaceutical-grade compounded > reputable research-grade > grey-market (3-5x cost differential; quality differential substantially larger). Sourcing-validated stack partners: BPC-157, TB-500, GHK-Cu.
For procurement of MOTS-c, the relevant QC framework covers analytical purity (HPLC), structural identity (mass spec), microbiological safety (endotoxin), and stoichiometric correctness where applicable. Translocates to the nucleus under metabolic stress and activates AMPK signalling. Improves insulin sensitivity, increases mitochondrial biogenesis, and protects against age-related muscle metabolic decline. Levels decline with age. The subsections below address each QC layer and the vendor-tier landscape.
Reconstitution and storage protocols
MOTS-c is typically supplied lyophilised in glass vials for reconstitution with bacteriostatic water. Standard reconstitution: dissolve at 1–2 mg/mL, store reconstituted material at 4°C, and use within 14–28 days. Avoid freeze-thaw cycles of reconstituted material. Lyophilised storage at −20°C extends shelf life to 18–24 months for most peptides in this class.
Vendor tier comparison and price discipline
Three vendor tiers operate in the MOTS-c market: pharmaceutical-grade compounded prescription (physician-supervised, full COA, ICP-MS where relevant, highest cost), reputable research-chemical vendors (full COA, lot-specific, mid-tier cost), and grey-market unverified sources (template or absent COA, unverifiable supply chain, lowest cost). The price differential between tiers is roughly 3–5x; the quality differential is substantially larger and concentrated in the bottom tier.
HPLC purity and analytical identity
Minimum acceptable HPLC purity for MOTS-c is ≥98% in research-grade material. Mass spec confirmation should show the characteristic m/z of 2174 (M+H)+. Contaminant peaks above 1% in the HPLC trace warrant quantification on the COA and — ideally — structural identification of the major impurities.
Pharmaceutical-grade compounded MOTS-c is the lowest-risk sourcing path for cold chain use where the route permits, particularly for users with clinical supervision. Research-grade material from accredited vendors is the practical alternative; grey-market sourcing is not appropriate for this application.
Sourcing MOTS-c for mass spectrometry verification use requires the same QC discipline as any peptide procurement: lot-specific COA, HPLC purity ≥98%, mass spec confirmation, endotoxin testing for injectable routes. Application-specific use does not relax the sourcing standard.
For users targeting vendor comparison, the sourcing question is whether the chosen vendor consistently delivers analytical-spec material across lots. Repeated re-orders from the same vendor with mid-cycle COA spot-checks is the procurement pattern that catches lot drift before it affects results.
Pharmaceutical-grade compounded MOTS-c is the lowest-risk sourcing path for red flag detection use where the route permits, particularly for users with clinical supervision. Research-grade material from accredited vendors is the practical alternative; grey-market sourcing is not appropriate for this application.
| Goal | Route | Dose | Cycle |
|---|---|---|---|
| Standard protocol | SubQ | 1-10 mg | 8–12 weeks on / 4 weeks off |
| Conservative starter | SubQ | 1-10 mg | 4–6 weeks initial cycle |
| Sourcing Guide focus | SubQ | 1-10 mg | 2-3x weekly SubQ |
| Maintenance phase | SubQ | 1-10 mg | Ongoing with periodic pauses |
Dose timing for MOTS-c is less time-sensitive given the longer half-life. Consistency through the cycle is more important than the precise clock time of individual doses.
MOTS-c stacks well with compounds on complementary pathways. The pairings below are the conventional combinations from experienced peptide buyers.
- MOTS-c + BPC-157: Upregulates VEGFR2 to promote angiogenesis and activates the FAK-paxillin pathway for accelerated tissue repair. Pairs naturally with MOTS-c's mechanism in sourcing / quality / procurement protocols.
- MOTS-c + TB-500: Binds G-actin monomers and prevents their incorporation into F-actin filaments, regulating the cellular actin pool. Pairs naturally with MOTS-c's mechanism in sourcing / quality / procurement protocols.
- MOTS-c + GHK-Cu: GHK chelates copper(II) and acts as a transcriptional modulator: published microarray data show it influences over 4,000 human genes including resetting expression patterns toward younger cellular phenotypes. Pairs naturally with MOTS-c's mechanism in sourcing / quality / procurement protocols.
- MOTS-c + Ipamorelin: Highly selective GHSR1a agonist. Pairs naturally with MOTS-c's mechanism in sourcing / quality / procurement protocols.
Excellent in animal studies. Limited human data. Watch hypoglycaemia in users on insulin/sulfonylureas.
Lens-specific safety considerations for sourcing / quality / procurement use of MOTS-c: Excellent in animal studies. Limited human data. Watch hypoglycaemia in users on insulin/sulfonylureas. Additional sourcing / quality / procurement monitoring at baseline and 6–8 week follow-up is appropriate.
| Compound | Profile | Onset | Best For |
|---|---|---|---|
| MOTS-c | Mitochondrially-encoded peptide | Hours; tissue-distributed | Sourcing Guide |
| BPC-157 | Stable gastric pentadecapeptide | ~4 hr (oral) | Accelerated tendon, ligament, and gut tissue repair via VEGFR2-driven angiogenesis and FAK-paxillin signalling |
| TB-500 | Synthetic thymosin β4 fragment | ~2-3 days | A 17-amino-acid synthetic fragment of thymosin β4 with actin-sequestering activity — drives cell migration, tissue repair, and broad regenerative effects |
| GHK-Cu | Tripeptide-copper complex | ~30 min plasma | A naturally occurring tripeptide-copper complex that declines with age and is studied for its broad effects on wound healing, skin remodelling, and gene expression |
| Ipamorelin | Selective GHRP / ghrelin mimetic | ~2 hr | The most selective ghrelin-receptor agonist among the GHRPs — stimulates GH release with minimal effect on cortisol, prolactin, or appetite |
Pharmaceutical-grade versus research-grade?
Lot variability across orders?
Visual quality inspection?
Storage protocol?
How long until I see results from MOTS-c?
How does MOTS-c's half-life affect dosing?
Start a MOTS-c Protocol
Alukard provides GMP-certified physician-supervised sourcing with GMP-certified MOTS-c and Pharmaceutical-grade compounds with full COA documentation.
Get ProtocolQuick Facts
- Molecular weight
- 2174 Da
- Sequence length
- 16 aa
- Half-life
- Hours; tissue-distributed
- WADA
- Not specifically listed
- FDA
- Unapproved
- Research
- Animal + early human
Stack Partners
All sourcing / quality / procurement applications described on this page are derived from preclinical research, animal models, and limited human case data. None of these uses are FDA-approved indications for MOTS-c unless otherwise noted. Always work with a physician familiar with peptide therapeutics before beginning a protocol.
Start Your Sourcing / Quality / Procurement Protocol for MOTS-c
Alukard provides GMP-certified physician-supervised sourcing with Pharmaceutical-grade compounds with full COA documentation.
HIPAA Compliant · GMP Certified · Physician Supervised