SS-31 Peptide Benefits Dosage and Side Effects Guide

Updated: 2026-06-198 min read

Is It Worth It? Quick Verdict

Overall Rating4.6/5
Best ForMitochondrial function, cardiovascular health, anti-aging, kidney protection
Price Range$80-150/month

What Are the Key Benefits?

Mitochondrial Repair

SS-31 binds to cardiolipin in the inner mitochondrial membrane, stabilizing electron transport and boosting ATP production.

Cardiovascular Protection

Protects heart tissue during ischemia-reperfusion injury. Multiple Phase II clinical trials completed.

Anti-Aging

Improves mitochondrial function which declines with age. Shown to reduce age-related oxidative stress.

Kidney Protection

Demonstrated renoprotective effects in preclinical models of acute kidney injury.

What Is It and How Does It Work?

SS-31 (Elamipretide) is a mitochondria-targeting tetrapeptide that binds to cardiolipin, stabilizing the inner mitochondrial membrane and improving electron transport chain efficiency. It has completed multiple Phase II clinical trials.

✅ Pros

  • Most clinically-validated peptide
  • Phase II trial data in humans
  • Multi-organ benefits
  • Mitochondria-specific mechanism
  • Well-tolerated in clinical studies

❌ Cons

  • Expensive compared to other peptides
  • Injection required (not orally bioavailable)
  • Still in research phase for most uses
  • Limited availability from quality sources

What Is the Recommended Dosage?

GoalDosageTiming
General mitochondrial support5-10mg weeklySubQ injection, divided 2-3x/week
Cardiovascular support10-20mg weeklySubQ injection, divided doses
Anti-aging protocol5mg twice weeklySubQ, 8-week cycles with 4-week break

Where Can You Buy It?

Trusted vendors we recommend based on purity, testing, and personal experience.

Our Top Pick

Our Top Recommendation

Anura Labs
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50+ research peptides including vials, pills, and topicals. Unique compounds like 5-Amino-1MQ and DIHEXA. Formerly Uniting Wellness.

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Recommended Alternative

Limitless Biotech
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Pharmaceutical-grade research peptides with rigorous quality controls and COAs.

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Another Trusted Option

Improved Peptides
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Competitive pricing with verified purity. Fast US shipping and growing peptide catalog.

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Option 4

Offline Peptides

Competitive pricing with 97-99% purity and excellent customer service.

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Option 5

SwissChems
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Pharmaceutical-grade peptides and SARMs with third-party testing. Wide selection including BPC-157, TB-500, and more.

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Option 6

Empower Peptides

Research-grade peptides with verified purity and fast US shipping. Customers get 15% off with our link.

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Option 7

Apollo Peptides

20% commission affiliate program with 120-day cookie. Growing catalog of research peptides.

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Frequently Asked Questions

Is SS-31 the same as Elamipretide?

Yes. SS-31 is the research name; Elamipretide is the pharmaceutical name. Same compound by Stealth BioTherapeutics.

Can SS-31 be taken orally?

No. SS-31 requires subcutaneous injection for bioavailability.

SS-31 vs MOTS-c?

SS-31 stabilizes mitochondrial membranes; MOTS-c activates AMPK pathways. They complement each other well.

Any side effects?

Generally well-tolerated in clinical trials. Injection site reactions possible. No serious adverse events reported.

Scientific References

Key studies supporting this article. Click PMID links to view on PubMed.

  1. Stealth Peptides Target Cellular Powerhouses to Fight Rare and Common Age-Related Diseases. Protein Pept Lett, 2018. PMID: 30381054
  2. Mitochondrial dysfunction and beneficial effects of mitochondria-targeted small peptide SS-31. Pharmacol Res, 2021. PMID: 34302976
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Optimize Your Stack Editorial Team

Our editorial team reviews and compares vendors based on third-party testing, transparency, and quality standards. We research each topic thoroughly and cite peer-reviewed studies so you can make informed decisions. All content is for educational and research reference purposes only — always consult a qualified healthcare professional before starting any new regimen.

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