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Vial representing SS-31
Mitochondria-targeted research peptide

SS-31

Also called elamipretide, a tetrapeptide studied for mitochondrial-membrane and bioenergetic effects.

Mainly laboratory / preclinical evidence

Reference listing: 50 mg · Reviewed October 29, 2026

Research at the mitochondrial membrane

SS-31, also known as elamipretide, is a four-amino-acid member of the Szeto-Schiller peptide family. Mechanistic studies focus on mitochondrial membranes, especially the role of negatively charged lipids such as cardiolipin. Membrane organization matters because energy-converting proteins operate within that environment.

What membrane experiments show

A 2020 study used biophysical and computational approaches to examine model lipid membranes and mitochondria. Researchers reported membrane-interface binding, altered lipid packing and changes in surface electrostatics. They also investigated calcium distribution. This provides a physical explanation to test, rather than a blanket claim that the compound increases energy in people.

Separate mechanism from clinical use

A membrane interaction is not the same as a clinical outcome. Evidence must be assessed for the condition, formulation and population actually studied. The name elamipretide in a publication does not establish that independently sourced SS-31 material matches a regulated or trial formulation. This profile describes the cited mechanism study rather than making an approval-status claim.

Research topics at a glance

  • Mitochondrial membrane and cardiolipin interactions
  • Lipid packing and membrane surface charge
  • Calcium distribution in membrane systems
  • Protein interactions near energy-converting complexes

Understanding the reference vial

The amount printed on a vial identifies its stated catalog content, not an experimental concentration or a recommended dose. The current app listing and the matching batch documentation should be used when checking the material actually available. Illustrations identify the compound and are not a certificate of its contents.

Interpreting the evidence

A research paper describes the material and conditions used by its investigators. It does not test every commercial source. A matching analytical report can help address identity or content, but it does not by itself establish clinical effectiveness, sterility, or safety. Keep analytical quality and biological evidence as separate questions.

Sources and further reading

For research reference only. Not medical advice or a recommendation for human or veterinary use. No dosing or administration instructions are provided.