MOTS-c Research Overview (also known as Mitochondrial ORF of the 12S rRNA type-c peptide, MOTS-c, Humanin-related peptide)

Regulatory status: See sourced regulatory status for MOTS-c.

At a glance

MOTS-c is a 16-amino-acid peptide encoded within mitochondrial DNA rather than the cell nucleus. It is studied as a signal connecting mitochondrial activity with nuclear gene regulation. The page reviews preliminary research on metabolism, aging-related biology and exercise responses, with cellular energy demand providing the central mechanistic context.

Researchers examining mitochondrial signaling may also wish to review Klotho, a longevity-associated protein studied in related aging and metabolic contexts.

For the regulatory discussion specific to MOTS-c and other compounds considered by the FDA advisory panel, read FDA Advisory Panel Votes to Recommend BPC-157, TB-500, KPV, and MOTS-c for Compounding.

What Is MOTS-c?

MOTS-c (Mitochondrial-derived peptide c) is a 16-amino-acid peptide encoded within the 12S ribosomal RNA gene of the mitochondrial genome — a member of the mitochondrial-derived peptides (MDPs), a recently discovered class of mitochondria-encoded hormones. Discovered in 2015, MOTS-c acts as a mitochondria-to-nucleus retrograde signaling molecule that regulates nuclear gene expression in response to metabolic demand.

Mechanism of Action

MOTS-c translocates from mitochondria to the nucleus, where it regulates transcription of genes involved in metabolic adaptation — particularly those in the folate cycle and methionine metabolism pathways. It also activates AMPK (AMP-activated protein kinase) — the master metabolic regulator — contributing to enhanced insulin sensitivity, increased fatty acid oxidation, and reduced hepatic glucose production. These effects collectively mimic exercise adaptations at the molecular level.

Exercise Mimicry and Longevity

MOTS-c levels rise in response to exercise, and administration in aged or obese mice produces striking improvements: reversed insulin resistance, reduced fat accumulation, and dramatically enhanced exercise tolerance. MOTS-c levels decline with age, and genetic variants in the MOTS-c-encoding region of the mitochondrial genome correlate with longevity in multiple human population studies — making it one of the most promising aging biology research targets currently under investigation.

Quick Reference

Member reference tables summarize the compound's research parameters.

Sign in to view this section

Research Indications

Metabolic
Preliminary Data

Insulin Resistance

Improves insulin sensitivity by ~30% through AMPK activation. Enhances glucose uptake in skeletal muscle.

Type 2 Diabetes

Improves glucose homeostasis through enhanced insulin receptor sensitization and AMPK-mediated regulation.

Obesity Prevention

Prevents obesity despite identical caloric intake. Promotes fatty acid oxidation and thermogenesis.

Anti-Aging
Preliminary Data

Physical Performance

Reverses age-dependent physical decline. Improves grip strength and exercise capacity in aged animals.

Mitochondrial Function

Enhances mitochondrial biogenesis and respiratory capacity through PGC-1α activation.

Longevity

Late-life treatment showed 6.4% lifespan extension in mice. 21% age-related decline in humans.

Exercise Performance
Preliminary Data

Exercise Capacity

Single dose improved running performance by 12-15%. Exercise induces 11.9-fold increase in muscle MOTS-c.

Muscle Homeostasis

Supports muscle health through myostatin reduction. Positively correlated with muscle strength.

Recovery

Promotes mitochondrial biogenesis and reduces inflammation for improved recovery.

Research Protocols

As reported in cited literature and research-community logs (see Research Citations below), not a personal dosing recommendation.

This member section describes parameters reported in the research literature.

Sign in to view this section

Peptide Interactions

This member section summarizes reported compound interactions and evidence limitations.

Sign in to view this section

Reported Research Time Points

This member section summarizes reported research time points.

Sign in to view this section

Safety Notes

Included for harm-reduction awareness only, in the event this compound is encountered outside its labeled research use. Inclusion here does not imply RUO Codes endorses, recommends, or instructs human use.

This member section discusses research safety considerations and uncertainties.

Sign in to view this section

Quality Indicators

Verified Marker

White to Off-White Powder

Uniform appearance without discoloration indicates proper storage and purity >95%.

Verified Marker

Clear Solution After Reconstitution

Should be colorless and clear without particles or cloudiness.

Verified Marker

Sequence Verification

The listed research text specifies confirming sequence is MRWQEMGYIFYPRKLR with Certificate of Analysis showing >95% purity.

Acceptable Range

Limited Human Data

The listed research text specifies starting with conservative doses (5-10mg) due to limited clinical safety data.

Quality Concern

No FDA Approval

Not FDA-approved for human use. Available only as research peptide.

Quality Concern

WADA Banned Substance

Prohibited by WADA as AMPK activator for athletic performance enhancement.

Research Citations

Research Focus

Mitochondrial signaling, Insulin sensitivity, Exercise mimicry, Longevity, Metabolic health, AMPK activation

Verified Vendors Carrying MOTS-c

Related Compounds

Related Articles

Browse all peptides in the Encyclopedia →