How Much Does MOTS-C Cost in 2026?

MOTS-C (Mitochondrial Open Reading Frame of the 12S rRNA Type-C) is a 16-amino-acid peptide with an unusually distinctive origin: it is encoded by mitochondrial DNA, not nuclear DNA. Identified in 2015 by researchers at USC, MOTS-C has attracted growing interest in the longevity and metabolic research communities for its roles in insulin sensitivity, exercise performance, and aging biology. In April 2026, the FDA removed MOTS-C from the Category 2 503A bulk drug substances list, affecting compounding pharmacy access while research-grade supply continues.

Current MOTS-C Prices by Supplier

MOTS-C has historically been one of the more expensive research peptides due to its relatively low market volume, synthesis complexity, and specialized research interest. Post-reclassification pricing is still settling.

Prices sourced from publicly available supplier listings, May 2026. Verify current pricing directly with each supplier before ordering.

What Is MOTS-C?

MOTS-C stands for Mitochondrial Open Reading Frame of the 12S rRNA Type-C. The name reflects its unusual genetic origin: it is encoded within the 12S ribosomal RNA gene of the mitochondrial genome — a discovery that surprised researchers because the mitochondrial genome was previously thought to encode only 13 proteins, all related to the electron transport chain.

MOTS-C was discovered by a team led by Dr. Pinchas Cohen at the USC Leonard Davis School of Gerontology and published in Cell Metabolism in 2015. Its identification opened up the concept of "mitochondria-derived peptides" (MDPs) — a class of signaling molecules that act as communication signals from mitochondria to other parts of the cell and to distant tissues.

What makes MOTS-C particularly interesting from a research perspective is its behavior as an exercise-mimicking signal: circulating MOTS-C levels rise after physical activity and fall with age, suggesting it may be part of the mechanism by which exercise confers metabolic benefits — and why those benefits become harder to achieve as we age.

What Researchers Study MOTS-C For

• Insulin sensitivity and metabolic regulation — One of the most extensively studied areas. MOTS-C administration has been shown to improve insulin sensitivity and glucose metabolism in animal models, including diet-induced obesity models. It appears to act through the AMPK pathway to regulate glucose and lipid metabolism.
• Exercise performance and endurance — Animal studies have shown that MOTS-C administration can improve exercise capacity and muscle function, even in older animals. This has generated research interest in both athletic performance biology and age-related functional decline.
• Aging and longevity — MOTS-C levels decline with age in both animals and humans, and research has examined whether restoring circulating MOTS-C levels in older subjects can reverse aspects of age-related metabolic dysfunction.
• Mitochondrial-nuclear communication — As an MDP, MOTS-C is studied as part of the broader field examining how mitochondria signal to the nucleus and to other tissues, with implications for understanding aging biology.
• Stress resistance — Studies have examined MOTS-C's role in protecting cells and organisms from metabolic and oxidative stressors.

MOTS-C and the April 2026 FDA Reclassification

MOTS-C was included in the April 23, 2026 FDA removal of 12 peptides from the Category 2 503A list. This is notable because MOTS-C is one of the newer peptides on the list — it was only identified in 2015 — which means its compounding use was relatively recent and the clinical evidence base is still being built.

The July 2026 PCAC meeting presents an opportunity for evidence to be submitted. Given MOTS-C's active research profile and the genuine scientific interest in mitochondria-derived peptides, there is community interest in pursuing a pathway back to compounding availability.

See the full FDA Peptide Reclassification 2026 guide for details on all 12 affected peptides.

MOTS-C vs. Other Longevity Peptides

MOTS-C sits alongside Epithalon and GHK-Cu as one of the longevity-focused research peptides that were on the Category 2 list. Each operates through distinct mechanisms:

• MOTS-C — Mitochondrial-derived; acts primarily through AMPK/FOXO pathways to regulate metabolism and cellular stress response. Closely tied to exercise biology.
• Epithalon — Tetrapeptide that activates telomerase; studied for telomere maintenance and anti-aging effects. See Epithalon price guide.
• GHK-Cu — Copper-binding tripeptide studied for collagen synthesis, wound healing, and gene expression modulation. See GHK-Cu price guide.

Notable Research Suppliers (2026)

What to Look for in a MOTS-C Supplier

• Third-party HPLC COAs (≥98% purity) — Standard requirement; must be from a named independent laboratory.
• Mass spectrometry confirmation — MOTS-C's 16-amino-acid sequence should be confirmed by MS data to verify correct molecular weight (~2174 Da).
• Sequence authentication — Given MOTS-C's relatively recent identification and lower market volume, sequence authentication is important to verify you are getting the correct compound and not a cheaper analog.
• Lyophilized form stored at −20°C — Should be supplied freeze-dried; confirm cold storage is maintained during shipping.
• Endotoxin testing — For a compound intended for cell culture or animal research, endotoxin levels should be documented.

Frequently Asked Questions