Elamipretide (SS-31), single vial

Mitochondria-targeted tetrapeptide

Elamipretide (SS-31)

Mitochondria-targeted tetrapeptide. Supplied for laboratory research use only.

  • Mitochondria-targeted tetrapeptide; FDA-approved (accelerated) as Forzinity
  • Approval limited to Barth syndrome patients 30kg and up
  • Not approved by EMA, MHRA, or TGA
  • Supplied for laboratory research use only. Not for human or veterinary use.
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Research use only. Not for human or veterinary use or consumption. This product is not approved by the FDA and is not intended to diagnose, treat, cure or prevent any disease.

What it is
CompoundElamipretide (SS-31), also designated SS-31
ClassMitochondria-targeted tetrapeptide
FormLyophilised powder, supplied in a vial
OriginatorStealth BioTherapeutics
Development status

Elamipretide is approved by the FDA as a prescription medicine. Forzinity received accelerated approval on 19 September 2025 to improve muscle strength in Barth syndrome patients weighing at least 30kg. That is a rare-disease approval, not a general mitochondrial, anti-ageing or performance approval. This product is not that medicine and is supplied for laboratory research use only.

Development status is stated above. No efficacy claim is made on this page.

Shipping & returns
ReturnsNinety days from delivery. Contact us and we will refund the purchase price.
Elamipretide (SS-31) $239.99

The specifics

The details, if you want them.

DeveloperStealth BioTherapeutics
Also known asSS-31
ClassMitochondria-targeted tetrapeptide, cardiolipin-binding
Amino acids4
FormAs an FDA-approved pharmaceutical this molecule is an injectable solution under its approved label; RUO research vials are a separate product
Receptor target(s)Cardiolipin (inner mitochondrial membrane phospholipid) — stabilization rather than a classical receptor

Development

Where it is up to.

Peer-reviewed and the basis for FDA accelerated approval for one narrow rare-disease indication. Not approved by the EMA, MHRA, or TGA.

Questions

The questions people actually ask.

What is elamipretide?
A synthetic 4-amino-acid peptide, also called SS-31, developed by Stealth BioTherapeutics to target mitochondria. This product is a research-only vial, not a prescription medicine.
Is this the same as Forzinity?
Elamipretide is FDA-approved as Forzinity, but only for Barth syndrome patients weighing 30kg or more — not a general mitochondrial-function or anti-aging approval. This vial is a separate, unbranded research product.
What does "Research Use Only" mean?
Research Use Only means exactly that: intended for laboratory and research settings only, not for human or animal use, consumption, diagnosis, treatment, cure, or prevention of any disease.
How is this vial supplied?
As a vial of lyophilised (freeze-dried) powder, sold for laboratory and research use only.
What is your refund policy?
Ninety days from delivery. If you decide against it inside that window, contact hello@getmrpeps.com and we will refund the purchase price. Damaged or incorrect orders are replaced or refunded regardless.