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Epitalon vs MOTS-c

Epitalon vs Mots-C: two longevity-focused peptides — telomerase activation vs mitochondrial optimization. Here's a neutral, sourced side-by-side — no hype, every claim links to its evidence.

By The Health Stacks Research Team

Epitalon

Research

Also: AEDG, Epithalon

Epitalon is a synthetic tetrapeptide (Ala-Glu-Asp-Gly) modeled after a natural pineal gland extract (Epithalamin), widely discussed in longevity circles for its potential anti-aging properties. It is an experimental, unapproved peptide that acts on multiple aging pathways simultaneously, including telomere maintenance, epigenetic regulation, oxidative stress reduction, immune system balancing, and circadian rhythm restoration.

116 studies138 benefits documented
Where to Source Epitalon

MOTS-c

Research

Also: Mitochondrial-derived peptide, MOTS‑C

MOTS-c is a tiny protein piece made in a lab. It is a small chain of 16 building blocks called amino acids.

43 studies133 benefits documented
Where to Source MOTS-c

At a Glance

EpitalonMOTS-c
Research statusPreclinicalPreclinical
Benefits documented138133
Research citations11643
Dosing routesSubcutaneousSubcutaneous
Known side effects15

What Each Helps With

Top documented benefits — backed by research.

Epitalon

  • Telomerase induction (in vitro)
  • Geroprotective/antioxidant

MOTS-c

  • Improves insulin sensitivity
  • Exercise mimetic (preclinical)

How People Use It

Reported protocols — research only, not medical advice.

Epitalon

  • subcutaneous — 1 µg/mouse
  • subcutaneous — 0.01 μg/mL
  • subcutaneous — 0.1 mM

MOTS-c

  • subcutaneous — 2.0 mg/kg/day, intraperitoneal
  • subcutaneous — 2.0 mg/kg/day
  • subcutaneous — 7 days of dosing (Phase 1a); 4 weeks of treatment (Phase 1b)
  • subcutaneous — Intraperitoneal injection (mice)

The Evidence

Key studies — click through to verify each on PubMed.

Epitalon

116 sourced studies

  • Overview of Epitalon-Highly Bioactive Pineal Tetrapeptide with Promising Properties

    Review2025 Key study 72/100
    Source

  • Epitalon increases telomere length in human cell lines through telomerase upregulation or ALT activity

    In vitro 68/100
    Source

  • Mechanisms underlying geroprotective effects of peptides

    2002 90/100
    Source

  • Physiological role of short peptides in nutrition

    2003 90/100
    Source

MOTS-c

43 sourced studies

  • The mitochondrial-derived peptide MOTS-c promotes metabolic homeostasis and reduces obesity

    AnimalStudy2015 Key study 86/100
    Source

  • The mitochondrial-derived peptide MOTS-c is a regulator of plasma metabolites and enhances insulin sensitivity.

    AnimalStudy2019 82/100
    Source

  • MOTS-c: A promising mitochondrial-derived peptide for therapeutic exploitation

    Review2023 80/100
    Source

  • MOTS-c: A promising mitochondrial-derived peptide for therapeutic exploitation

    2023 90/100
    Source

How to Choose

Neither is a “winner” — they suit different goals. Compare the documented benefits and evidence above against what you’re actually trying to achieve, note the research status (approved vs research-stage), and read each full guide before deciding. Many people also stack peptides rather than pick one.

Full Epitalon guide →Full MOTS-c guide →See stacks →

Source Epitalon

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Tested purity COA available Fast shipping

Source MOTS-c

Find MOTS-c Suppliers
Tested purity COA available Fast shipping
Educational content only. Peptides discussed are generally research compounds, not FDA-approved for human use unless stated. Consult a healthcare professional before use.