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ssr 31 peptide is a unique tetrapeptide that specifically targets the mitochondria within cells

Published October Oct 17, 2026 3:45 PM

In the world of experimental research, few compounds have garnered as much interest as the SS 31 peptide. Often discussed in the context of cellular energetics, this molecule—frequently referred to as Elamipretide, MTP-131, or Bendavia—has become a cornerstone for those focused on understanding mitochondrial health. As someone who follows the latest in laboratory research and investigative science, I have spent significant time reviewing the data surrounding this unique tetrapeptide.

Understanding the Mechanism: What is SS 31?

At its core, SS 31 is a ce SS-31, a Mitochondria-Targeting Peptide, Ameliorates Kidney ll-permeable aromatic cationic tetrapeptide with a molecular weight of approximately 639.8 g/mol. What make SS-31 (also known as Bendavia, Elamipretide, and MTP-131) is a small peptide (D-Arg- dimethyl-Tyr-Lys-Phe-NH2) that accumulates in mitochondria and scavenges  s it particularly fascinating to researchers is that it is designed to target mitochondria with high affinity.

When observing the literature, it becomes clear that this compound functions differently than standard antioxidants. It specifically binds to cardiolipin, a phospholipid found in the inner mitochondrial membrane. By doing so, it helps stabilize t by P Yu · 2015 · Cited by 26 — The peptide SS-31 can reduce mitochondrial ROS production, inhibit cyt c release, and prevent mitochondrial swelling in isolated mitochondria. Activation is  he mitochondrial structure, which is essential for efficient energy production. Many studies note that treatment with SS 31 restores redox homeostasis, effectively helping to neutralize SS-31 (also known as Bendavia, Elamipretide, and MTP-131) is a small peptide that accumulates in mitochondria and scavenges reactive oxygen species. the conditions that lead to cellular stress.

Why Researchers Study This Peptide

The primary objective for many labs utilizing SS 31 is to explore how it can reduce mitochondrial ROS production (reactive oxygen species). High levels of ROS are often associated with cellular degradation. By modulatin Sep 17, 2023 — SS-31 is a peptide used to target mitochondria, and it has been found to protect the kidneys from oxidative stress, inflammation and apoptosis. g these pathways, the peptide acts as an antioxidant peptide SS 31, protecting the integrity of the cell's "powerhouse."

In my own review of the available materials, I’ve noted that SS 31 is a mitochondria-targeted peptide that is used to study mitochondrial function across various models. Whether it is a 10 mg vial or a SS 31 50mg supply, the consistency of the lyophilized powder is crucial for those engaged in rigorous scientific inquiry.

Key Facts About the Molecule

* Chemical Identity: It is a small peptide (D-Arg-dimethyl-Tyr-Lys-Phe-NH2).

* Targeting: It is a unique tetrapeptide that specifically targets the mitochondria within cells.

* Regulatory Status: Notably, SS 31 is FDA-approved for Barth syndrome, a rare condition, which has brought significant attention to its potential applications.

* Terminology: You will often see it labeled as Elamipretide (MTP-131, SS 31) in various academic journals.

* Function: It is a mitochondria-targeting peptide that helps maintain the electron transport chain's efficiency.

Integrating Research into Practice

When looking at the SS 31 peptide, it is important to remember that it is a synthetic peptide designed to target mitochondrial-related pathways. It is not a supplement for general wellness but rather a specialized tool for investigators.

In my experience analyzing the logs of those who utilize these compounds for research, the focus remains on the "why." Why does this pe SS-31 - 10 mg Vial | High Purity Elamipretide ptide help in maintaining ATP production? The answer lies in its ability to prevent mitochondrial swelling and inhibit the release of cy SS-31 (10 mg) is used to study mitochondrial function and how the peptide interacts with cardiolipin to influence mitochondrial performance under stress. It is  tochrome c. These are the technical benchmarks that define the utility of the peptide in a controlled laboratory setting.

Final Observations

For those curious about the 31 peptide, the landscape is vast. From studies on exercise tolerance to investigations into cellular repair, the data is compelling. While I view this strictly through the lens of scientific inquiry and personal interest in longevity research, the precision with which this molecule interacts with the inner mitochondrial membrane is remarkable.

As research continues into 2026, the focus will undoubtedly remain on how this mitochondria-targeting peptide can be utilized to better understand the complexities of cellular health. Whether you are reviewing a SS 31 peptide protocol or simply researching the molecule, the scientific consensus is clear: i by Y Zhu · 2022 · Cited by 73 — SS-31 is a cell-permeable aromatic cationic tetrapeptide with a molecular weight of 639.8 g/mol which consists of a series of small water-soluble peptides [24]. t remains a pivotal subject in the study of mitochondrial bioenergetics.

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