Tag: Longevity Peptides

Research on longevity and anti-aging peptides including Epitalon, MOTS-C, and Humanin.

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Peptides in Longevity Research: Epitalon, MOTS-C, GHK-Cu & More

For research use only. All peptides are research chemicals not approved by the FDA for human use. Not for human consumption.

Overview: Peptides in Longevity Research

Longevity research has emerged as one of the most active frontiers in biological science, with synthetic peptides playing an increasingly prominent role as research tools for studying the hallmarks of aging. These hallmarks — including genomic instability, telomere attrition, epigenetic alterations, mitochondrial dysfunction, and cellular senescence — are each addressable with specific peptide compounds that allow researchers to probe individual mechanisms in isolation. This guide reviews the synthetic peptides most commonly studied in longevity and aging research contexts.

1. Epitalon — Telomere Biology Research

Epitalon (Ala-Glu-Asp-Gly) is a synthetic analogue of Epithalamin, a naturally occurring pineal peptide. It is the most extensively studied peptide in telomere-focused longevity research, with publications examining its ability to activate telomerase in somatic cell lines. Telomerase activation is directly relevant to the hallmark of telomere attrition in aging biology. Epitalon has also been studied in circadian rhythm models, antioxidant pathway research, and spontaneous tumor development models in rodents. Its tetrapeptide structure contributes to high stability and straightforward laboratory handling.

2. MOTS-C — Mitochondrial Dysfunction Research

MOTS-C is a mitochondrially-encoded peptide studied in the context of mitochondrial dysfunction — one of the primary hallmarks of aging. Research has examined MOTS-C in AMPK signaling, insulin sensitivity, exercise mimicry, and nuclear gene expression modulation during metabolic stress. Notably, MOTS-C circulating levels decline with age in animal and human observational studies, making it a compelling research tool for aging biology. Its unique mitochondrial origin and nuclear translocation mechanism represent novel research territory with no precedent in earlier aging peptide literature.

3. BPC-157 — Tissue Repair and Systemic Signaling

While not exclusively a longevity peptide, BPC-157 appears frequently in aging biology research due to its studied effects on systemic healing pathways, angiogenesis, and gastrointestinal protection — systems that decline in function with age. Research examining the relationship between nitric oxide pathway modulation and vascular aging has highlighted BPC-157 as a useful tool in this context. It is one of the most studied peptides in the entire research chemical literature, with hundreds of peer-reviewed publications across multiple tissue systems.

4. GHK-Cu — Collagen Biology and Gene Expression

GHK-Cu (glycyl-L-histidyl-L-lysine copper complex) has generated significant interest in skin aging and extracellular matrix biology. Its documented modulation of over 4,000 human genes — including genes involved in collagen synthesis, anti-inflammatory signaling, and stem cell activation — makes it a uniquely broad research tool. Age-related decline in skin collagen content and dermal matrix integrity is a well-documented phenomenon; GHK-Cu’s effects on fibroblast activity and collagen production are studied in this context.

5. CJC-1295 + Ipamorelin — GH Axis Aging Research

The somatotropic axis — growth hormone and IGF-1 signaling — declines significantly with age, a process known as somatopause. CJC-1295 (GHRH analogue) and Ipamorelin (GHSR agonist) are studied together in aging research for their ability to stimulate pulsatile GH release through complementary receptor pathways. Research has examined this combination in models of lean body mass preservation, bone mineral density, and sleep architecture in aging animal subjects.

Longevity Peptide Research Comparison

PeptideAging Hallmark FocusPrimary Research Area
EpitalonTelomere attritionTelomerase activation, pineal biology
MOTS-CMitochondrial dysfunctionAMPK signaling, energy metabolism
BPC-157Systemic tissue declineAngiogenesis, NO pathway, GI protection
GHK-CuECM degradation, epigeneticsCollagen biology, gene expression
CJC-1295 + IpamorelinSomatopauseGH pulse restoration, IGF-1 axis

Source longevity research peptides from Iron Labs → Iron Labs Research Catalog

Regulatory Notice

All peptides sold by Iron Labs are research chemicals for laboratory use only. Not approved by the FDA for human or veterinary use. Iron Labs makes no anti-aging or longevity claims. For research purposes only.

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MOTS-C Research Overview: Mitochondrial Peptide Science & Metabolic Biology

For research use only. MOTS-C is not approved by the FDA for human use and is sold exclusively as a research chemical. Not for human consumption.

What Is MOTS-C?

MOTS-C (Mitochondrial Open Reading Frame of the 12S rRNA-c) is a mitochondrial-derived peptide (MDP) encoded within the 12S ribosomal RNA gene of the mitochondrial genome. It was first identified and characterized in 2015 by researchers at the University of Southern California, making it one of the more recently discovered peptides in metabolic biology research. Unlike most peptides, MOTS-C is mitochondrially encoded rather than nuclear-encoded, placing it in a novel class of signaling molecules with unique research implications.

MOTS-C in Metabolic Research

MOTS-C has generated significant interest in metabolic biology and longevity research since its discovery. Key research areas include:

  • Insulin sensitivity models: The original 2015 paper demonstrated that MOTS-C regulates insulin sensitivity in skeletal muscle cells, with observations on AMPK pathway activation and glucose uptake in in vitro models.
  • Exercise biology: Research has examined MOTS-C as an “exercise mimetic,” with animal studies showing that MOTS-C administration produced metabolic adaptations similar to physical exercise, including increased mitochondrial biogenesis markers.
  • Aging and longevity research: Studies have investigated MOTS-C levels in aging populations and animal models, with observations suggesting that circulating MOTS-C levels decline with age and that supplementation may influence healthspan markers in rodent models.
  • Obesity and adipose tissue biology: Animal research has examined MOTS-C in diet-induced obesity models, with observations on fat accumulation, energy expenditure, and inflammatory cytokine expression in adipose tissue.
  • Nuclear translocation: Notably, research has demonstrated that MOTS-C can translocate from mitochondria to the cell nucleus in response to metabolic stress, where it modulates nuclear gene expression — an unusual mechanism for a mitochondrially-encoded peptide.

MOTS-C vs. Epitalon: Longevity Research Context

Both MOTS-C and Epitalon appear in longevity-focused research literature, but through entirely different mechanisms. MOTS-C research centers on mitochondrial signaling, AMPK activation, and metabolic regulation. Epitalon research focuses on telomerase activity and pineal biology. Researchers studying biological aging often examine both in parallel to address different hallmarks of the aging process.

Laboratory Handling

MOTS-C is supplied as lyophilized powder. Store at -20°C; reconstitute with bacteriostatic water. Reconstituted solution stable at 2–8°C for up to 28 days. Protect from light and repeated freeze-thaw cycles.

Source MOTS-C for your research → Iron Labs Research Catalog

Regulatory Notice

MOTS-C is not FDA-approved for any human or veterinary use. Iron Labs sells MOTS-C exclusively as a research chemical. No health, anti-aging, or metabolic claims are made or implied.

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Epitalon Research Overview: Telomere Biology & Longevity Science

For research use only. Epitalon is a research chemical not approved by the FDA for human use. All content is for educational and laboratory purposes only. Not for human consumption.

What Is Epitalon?

Epitalon (also spelled Epithalon) is a synthetic tetrapeptide with the sequence Ala-Glu-Asp-Gly. It is a synthetic analogue of Epithalamin, a natural polypeptide extracted from the pineal gland. Epitalon was developed by the St. Petersburg Institute of Bioregulation and Gerontology, where it has been the subject of decades of preclinical and clinical research, primarily in the context of aging biology and telomere dynamics.

Epitalon in Longevity & Aging Research

Epitalon has attracted research interest primarily due to its studied relationship with telomerase activity. Telomeres are protective caps on chromosomes that shorten with each cell division — a process central to cellular aging models. Research has examined whether Epitalon influences telomerase enzyme expression, which governs telomere maintenance in somatic cells.

Key research areas include:

  • Telomerase expression: Studies in human fetal fibroblast cell lines and somatic cell cultures have examined Epitalon’s ability to activate telomerase and extend replicative lifespan in vitro.
  • Circadian rhythm biology: As a pineal gland-derived peptide analogue, Epitalon has been studied in the context of melatonin production and neuroendocrine clock regulation in aging animal models.
  • Antioxidant pathway research: Some studies have examined Epitalon in oxidative stress models, looking at its relationship to superoxide dismutase (SOD) and glutathione peroxidase activity.
  • Cancer biology: Researchers have examined Epitalon in oncological contexts, particularly regarding its effects on spontaneous tumor development rates in rodent aging models.
  • Chromosome stability: Cytogenetic research has studied Epitalon’s relationship to chromosomal aberration rates in aging cell populations.

Notable Research Background

Much of the published Epitalon research originates from Russian institutional sources, particularly work by Vladimir Khavinson and colleagues at the St. Petersburg Institute of Bioregulation and Gerontology. While this research has generated significant interest, independent Western replication remains limited. Researchers should evaluate the existing literature critically and consider study design and scale when assessing findings.

Laboratory Handling

Epitalon is supplied as a lyophilized powder and is generally considered one of the more stable research peptides. Reconstitute with bacteriostatic water. Store lyophilized stock at -20°C; reconstituted solution at 2–8°C for up to 28 days. Epitalon’s small tetrapeptide structure contributes to its relative stability compared to larger research peptides.

Source Epitalon from Iron Labs

Iron Labs supplies Epitalon as a third-party tested research chemical with HPLC purity confirmation and mass spec identity documentation. COA is available on the product page.

Source Epitalon for your research → Iron Labs Research Catalog

Regulatory Notice

Epitalon is not FDA-approved for any human or veterinary use. Iron Labs sells Epitalon exclusively as a research chemical for use in qualified laboratory settings. No health, anti-aging, or longevity claims are made or implied. This content is strictly educational.