REGULATORYRFK Jr.: 14 peptides returning to Category 1 — FDA advisory committee July 2026TRENDINGHexarelin: ↑↑ Surging ��� Trends score 100 as of May 2026UPDATESemaglutide and tirzepatide compounding ended — shortage resolved Feb/May 2025REGULATORYBPC-157, TB-500, thymosin alpha-1, CJC-1295, ipamorelin: expected Category 1 reclassification pendingEVENTpep-talk con ��� First US Peptide Convention · August 2026 · Anaheim CAFDAFDA advisory committee meetings scheduled: late July 2026REGULATORYRFK Jr.: 14 peptides returning to Category 1 — FDA advisory committee July 2026TRENDINGHexarelin: ↑↑ Surging ��� Trends score 100 as of May 2026UPDATESemaglutide and tirzepatide compounding ended — shortage resolved Feb/May 2025REGULATORYBPC-157, TB-500, thymosin alpha-1, CJC-1295, ipamorelin: expected Category 1 reclassification pendingEVENTpep-talk con ��� First US Peptide Convention · August 2026 · Anaheim CAFDAFDA advisory committee meetings scheduled: late July 2026

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Research/Paper
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PubMedPreclinical

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

Kim Su-Jeong, Miller Brendan, Mehta Hemal H, Xiao Jialin, Wan Junxiang, Arpawong Thalida E, Yen Kelvin, Cohen Pinchas
Physiological reports2019DOI: 10.14814/phy2.14171
MOTS-c

Quality Score

4/10

Citations

0

Subjects

Non-Human

PeptideVault Analysis

Study Design

Preclinical research is the foundation of the drug development pipeline. While these findings require human validation, they establish the mechanistic basis that informs dosing strategies, safety profiles, and target identification for future clinical work.

Our Assessment

Quality Assessment: 4/10 — This study contributes useful data but has methodological limitations that warrant caution. The findings are suggestive rather than definitive, and we'd recommend looking for corroborating evidence before drawing strong conclusions.

Findings in Context

These findings advance our understanding of MOTS-c in meaningful ways.

On the Limitations

Every study has limitations, and being transparent about them is what separates good science from hype. Specifically: the sample size is modest, which limits statistical power and the ability to detect smaller but clinically meaningful effects. These limitations don't invalidate the findings — they define the boundaries of what we can confidently conclude.

The Takeaway

Bottom line: Early-stage evidence for MOTS-c. Interesting mechanistic insights, but we'll need human data before drawing practical conclusions.

Key Findings

The study found that MOTS-c, a mitochondrial-derived peptide, improves insulin sensitivity and reduces body weight and fatty liver in diet-induced obese mice by altering sphingolipid metabolism, monoacylglycerol metabolism, and dicarboxylate metabolism pathways.

Limitations

This is a preclinical study conducted on mice, which limits its direct applicability to human subjects. The sample size and specific mechanisms of action are not fully elucidated in humans.

Citation

Kim Su-Jeong, Miller Brendan, Mehta Hemal H et al.. (2019). The mitochondrial-derived peptide MOTS-c is a regulator of plasma metabolites and enhances insulin sensitivity.. Physiological reports. https://doi.org/10.14814/phy2.14171

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This content is derived from peer-reviewed research for educational purposes only. It does not constitute medical advice. Always consult a qualified healthcare provider before using any peptide-based therapy.