Home / Compare / SS-31 vs BPC-157

SS-31 vs BPC-157

SS-31 vs BPC-157: mitochondrial protection vs broad tissue repair — different repair strategies compared. Here's a neutral, sourced side-by-side — no hype, every claim links to its evidence.

By The Health Stacks Research Team

SS-31

Research

SS-31 (Elamipretide) is a mitochondrial-targeting research peptide sold in lyophilized powder form. It is highlighted for its antioxidant properties and protective effects against kidney injury and mitochondrial dysfunction in preclinical models.

69 studies80 benefits documented
Where to Source SS-31

BPC-157

Research

Also: Body Protection Compound, PL 14736

BPC-157 is a small chain of amino acids, which are the building blocks of proteins in the body. It is found naturally in the human stomach, specifically in the juices that help digest food.

197 studies602 benefits documented
Where to Source BPC-157

At a Glance

SS-31BPC-157
Research statusPreclinicalPreclinical
Benefits documented80602
Research citations69197
Dosing routesSubcutaneousSubcutaneous
Known side effects1960

What Each Helps With

Top documented benefits — backed by research.

SS-31

  • Treatment of Primary Mitochondrial Myopathy
  • Improves physiological function in aging muscle
  • Rescues muscle force
  • Improves heart systolic function
  • Increases ATP production

BPC-157

  • Tendon/ligament repair
  • Angiogenesis
  • Anti-inflammatory

How People Use It

Reported protocols — research only, not medical advice.

SS-31

  • subcutaneous — 8 mg/kg/day
  • subcutaneous — 40 mg/day subcutaneous
  • subcutaneous — 40 mg
  • subcutaneous — 20 mg

BPC-157

  • subcutaneous — Once daily (varies by study)
  • subcutaneous — Oral/IM use is permitted; WADA only prohibits IV infusion >100 mL / 12 hr
  • subcutaneous — Intrathecal only
  • subcutaneous — First-in-human Phase 1 study dose (unspecified quantity)

The Evidence

Key studies — click through to verify each on PubMed.

SS-31

69 sourced studies

  • Efficacy and Safety of Elamipretide in Individuals With Primary Mitochondrial Myopathy: The MMPOWER-3 Randomized Clinical Trial

    2023 95/100
    Source

  • The MIC-1/GDF15-GFRAL Pathway in Energy Homeostasis: Implications for Obesity, Cachexia, and Other Associated Diseases

    2018 90/100
    Source

  • The GDF15-GFRAL Pathway in Health and Metabolic Disease: Friend or Foe?

    2021 90/100
    Source

  • GDF15 research from bench to bedside

    2024 90/100
    Source

BPC-157

197 sourced studies

  • The promoting effect of pentadecapeptide BPC 157 on tendon healing involves tendon outgrowth, cell survival, and cell migration.

    In vitro2010 Key study 85/100
    Source

  • Gastric pentadecapeptide body protection compound BPC 157 and its role in accelerating musculoskeletal soft tissue healing.

    Review2019 80/100
    Source

  • Pentadecapeptide BPC 157 enhances the growth hormone receptor expression in tendon fibroblasts

    In vitro2018 84/100
    Source

  • Regeneration or Risk? A Narrative Review of BPC-157 for Musculoskeletal Healing

    Review2025 76/100
    Source

How to Choose

Neither is a “winner” — they suit different goals. Compare the documented benefits and evidence above against what you’re actually trying to achieve, note the research status (approved vs research-stage), and read each full guide before deciding. Many people also stack peptides rather than pick one.

Full SS-31 guide →Full BPC-157 guide →See stacks →

Source SS-31

Find SS-31 Suppliers
Tested purity COA available Fast shipping

Source BPC-157

Find BPC-157 Suppliers
Tested purity COA available Fast shipping
Educational content only. Peptides discussed are generally research compounds, not FDA-approved for human use unless stated. Consult a healthcare professional before use.