MOTS-c: A Mitochondrial-Derived Peptide in Metabolic Research
What the literature shows about MOTS-c, a 16-amino-acid peptide encoded in mitochondrial DNA: AMPK signaling, mouse exercise studies and one small human trial.
Research library
Peptide research, read closely.
Plain-language, citation-backed notes on research peptides: what the preclinical and clinical literature actually shows, how compounds are verified, and how to read the data for yourself. Written for qualified researchers; nothing here is medical advice.
41 notes across 8 topics · Updated Nov 4, 2026
BPC-157 vs. TB-500: Different Mechanisms, Overlapping Research Interest
One is a gastric peptide acting through VEGFR2 and nitric oxide; the other is a fragment of an actin-binding protein. A side-by-side reading of the evidence.
Research Peptides Explained: What “Research Use Only” Actually Means
Where the RUO label comes from, how FDA views unapproved drugs and intended use, and why research peptide suppliers ask for researcher affirmations.
CJC-1295 and Ipamorelin: Why Researchers Study Them Together
A GHRH analog and a ghrelin-receptor agonist act on two different pituitary receptors. The literature explains why that pairing draws research interest.
NMN vs. NR vs. NAD+: Precursors and the Direct Molecule Compared
How nicotinamide mononucleotide, nicotinamide riboside and NAD+ itself differ in structure, uptake, human evidence and regulatory status.
Selank vs. Semax: Two Russian Neuropeptides Compared
Selank and Semax share a laboratory of origin and a stabilizing tail but not a mechanism. A side-by-side reading of the research on each.
Why Third-Party Lab Testing Matters for Research Peptides
A supplier grading its own product is a conflict of interest, not a quality system. What independent testing adds, what it cannot fix, how to read it.
TB-500 and Thymosin Beta-4: Actin, Cell Migration and Repair Models
Thymosin beta-4 is the cell’s main actin-sequestering protein. TB-500 is a short synthetic piece of it. The difference shapes how to read the literature.
Peptide Storage and Handling: Lyophilized vs. Reconstituted
Why lyophilized and reconstituted peptides age differently, and the storage variables that decide shelf life: temperature, light, moisture and freeze-thaw.
GLP-1 vs. GIP vs. Glucagon Receptors: Why Multi-Agonism Emerged
Three related receptors, three different jobs. How the biology of GLP-1, GIP and glucagon receptors led from selective agonists to dual and triple agonists.
Ipamorelin: A Review of Selective GH-Secretagogue Research
Ipamorelin was designed to release GH without the cortisol and prolactin signals of older secretagogues. What the animal and human record shows.
Mass Spectrometry: How a Peptide’s Identity Is Confirmed
Purity tells you how much of a sample is one thing. Mass spectrometry tells you what that thing is. Here is how the identity check works.
Mitochondrial-Derived Peptides: MOTS-c, Humanin and SHLPs
An overview of the peptides encoded in mitochondrial DNA, humanin, the SHLP family and MOTS-c, and what two decades of research have shown about them.
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Peptide Foundations
What peptides are, how they are made, stored and handled: the vocabulary every researcher needs before reading a study.
8 notes →
Lab & Quality
HPLC, mass spectrometry, endotoxin testing, certificates of analysis, and how research-grade material is verified.
7 notes →
GH-Axis Research
Growth-hormone secretagogues and GHRH analogues: sermorelin, tesamorelin, CJC-1295, ipamorelin and the receptor biology behind them.
5 notes →
Tissue & Repair
BPC-157, TB-500, GHK-Cu and related compounds studied in wound, tendon, gut and extracellular-matrix models.
6 notes →
Cognitive & Neuro
Semax, Selank and other neuropeptides investigated for neurotrophic signalling, neuroprotection and cognition in preclinical work.
4 notes →
Metabolic & GLP
Incretin and multi-agonist research: GLP-1, GIP, glucagon and amylin pathways, and what the trial literature actually shows.
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Longevity & Cellular
NAD+, MOTS-c, mitochondrial-derived peptides and the cellular-energy research that surrounds them.
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Research News
Recent publications, regulatory moves and industry developments in peptide research, summarised without the hype.
1 note →
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All content in the research library is educational and intended for qualified researchers. Products referenced are for laboratory research use only and are not approved for human or veterinary use. Nothing here is medical advice.