SS-31 (elamipretide) has credible preclinical support for reducing oxidative stress and enhancing mitochondrial bioenergetic performance in cell culture and animal models. The oxidative stress reduction claim is well-documented across multiple independent studies. However, all available evidence is from in-vitro or animal research; no peer-reviewed human clinical trials confirming these outcomes in humans were found. The claim about 'improved cellular function' lacks specific literature. Creators should note that while the mechanistic direction is scientifically supported, human efficacy remains unproven.
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O SS-31 acaba de ser liberado pela FDA. Um peptídeo mitocondrial que reduz estresse oxidativo, melhora a função celular e potencializa a performance metabólica. A ciência segue avançando e nós seguimos juntos.
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Claim breakdown
3 claims“SS-31 reduces oxidative stress.”
Multiple peer-reviewed studies demonstrate SS-31 (elamipretide) reduces oxidative stress through mitochondrial-targeted mechanisms. A 2025 in-vitro study (PMID: 39848110) in cardiomyocytes shows SS-31@Fer-1 significantly reduced oxidative stress markers (increased GPX4, decreased ACSL4/PTGS2, maintained iron homeostasis); a 2019 mouse study (PMID: 31747905) confirmed SS-31 reduces oxidative stress and mitochondrial dysfunction in LPS-induced neuroinflammation. Evidence tier: preclinical (cell culture and animal models), but mechanistically consistent across multiple independent investigations.
Supporting studies
- 1
SS-31@Fer-1 Alleviates ferroptosis in hypoxia/reoxygenation cardiomyocytes via mitochondrial targeting
Biomedicine & pharmacotherapy = Biomedecine & pharmacotherapie · 2025·PMID 39848110
- 2
Elamipretide (SS-31) improves mitochondrial dysfunction, synaptic and memory impairment induced by lipopolysaccharide in mice
Journal of neuroinflammation · 2019·PMID 31747905
- 3
SS-31 mitigates oxidative stress and restores mitochondrial function in cigarette smoke-damaged oral epithelial cells via PINK1-mediated mitophagy
Chemico-biological interactions · 2024·PMID 39069114
- 4
Elamipretide: A Review of Its Structure, Mechanism of Action, and Therapeutic Potential
International journal of molecular sciences · 2025·PMID 39940712
- 5
SS-31 reduces inflammation and oxidative stress through the inhibition of Fis1 expression in lipopolysaccharide-stimulated microglia
Biochemical and biophysical research communications · 2019·PMID 31582222
- 6
Mitochondrial-Targeting Antioxidant SS-31 Suppresses Airway Inflammation and Oxidative Stress Induced by Cigarette Smoke
Oxidative medicine and cellular longevity · 2021·PMID 34221235
- 7
Comprehensive dry eye therapy: overcoming ocular surface barrier and combating inflammation, oxidation, and mitochondrial damage
Journal of nanobiotechnology · 2024·PMID 38725011
- 8
Reprogramming of Treg cell-derived small extracellular vesicles effectively prevents intestinal inflammation from PANoptosis by blocking mitochondrial oxidative stress
Trends in biotechnology · 2025·PMID 39689981
“SS-31 improves cellular function.”
No peer-reviewed studies, registered clinical trials, or PubMed abstracts were found specifically addressing whether SS-31 'improves cellular function' as a standalone claim. While the oxidative stress and mitochondrial studies (PMID: 39848110, 31747905) do show improved cell viability and reduced cytotoxicity markers (LDH, CK-MB, apoptosis), no literature was retrieved that directly tests or reports on 'cellular function' as a defined outcome measure for SS-31.
Supporting studies
- 1
SS-31@Fer-1 Alleviates ferroptosis in hypoxia/reoxygenation cardiomyocytes via mitochondrial targeting
Biomedicine & pharmacotherapy = Biomedecine & pharmacotherapie · 2025·PMID 39848110
- 2
Elamipretide (SS-31) improves mitochondrial dysfunction, synaptic and memory impairment induced by lipopolysaccharide in mice
Journal of neuroinflammation · 2019·PMID 31747905
- 3
Mitochondria-targeting peptide SS-31 attenuates ferroptosis via inhibition of the p38 MAPK signaling pathway in the hippocampus of epileptic rats
Brain research · 2024·PMID 38521160
- 4
Application research of novel peptide mitochondrial-targeted antioxidant SS-31 in mitigating mitochondrial dysfunction
Mitochondrion · 2024·PMID 38237649
- 5
Comprehensive dry eye therapy: overcoming ocular surface barrier and combating inflammation, oxidation, and mitochondrial damage
Journal of nanobiotechnology · 2024·PMID 38725011
- 6
Therapeutic Peptide SS-31 Modulates Membrane Binding and Aggregation of α-Synuclein and Restores Impaired Mitochondrial Function
Chemical biology & drug design · 2026·PMID 42219795
- 7
Reprogramming of Treg cell-derived small extracellular vesicles effectively prevents intestinal inflammation from PANoptosis by blocking mitochondrial oxidative stress
Trends in biotechnology · 2025·PMID 39689981
- 8
SS-31 mitigates oxidative stress and restores mitochondrial function in cigarette smoke-damaged oral epithelial cells via PINK1-mediated mitophagy
Chemico-biological interactions · 2024·PMID 39069114
“SS-31 enhances metabolic performance.”
Literature supports SS-31 enhancing metabolic/bioenergetic performance in preclinical models. The 2019 mouse study (PMID: 31747905) demonstrates improved mitochondrial function and synaptic performance; a 2026 Sports Medicine review (PMID: 41966639) lists SS-31 among unapproved peptides showing 'favorable tissue repair and metabolic outcomes in animal models.' Evidence tier: preclinical (animal and in-vitro), with no human clinical trials yet published—limiting certainty of real-world metabolic enhancement in humans.
Supporting studies
- 1
Safety and Efficacy of Approved and Unapproved Peptide Therapies for Musculoskeletal Injuries and Athletic Performance
Sports medicine (Auckland, N.Z.) · 2026·PMID 41966639
- 2
Elamipretide (SS-31) improves mitochondrial dysfunction, synaptic and memory impairment induced by lipopolysaccharide in mice
Journal of neuroinflammation · 2019·PMID 31747905
- 3
Mitochondria-targeted antioxidant peptide SS-31 mediates neuroprotection in a rat experimental glaucoma model
Acta biochimica et biophysica Sinica · 2019·PMID 30811524
- 4
SS-31 improves post-cardiac arrest brain injury by inhibiting microglial ferroptosis and polarization
Neurotherapeutics : the journal of the American Society for Experimental NeuroTherapeutics · 2026·PMID 41136322
- 5
Chronic administration of mitochondrion-targeted peptide SS-31 prevents atherosclerotic development in ApoE knockout mice fed Western diet
PloS one · 2017·PMID 28961281
- 6
Therapeutic Peptides in Aesthetic, Metabolic and Endocrine Conditions: Effects, Safety, Clinical Applications, and Future Perspectives
International journal of molecular sciences · 2026·PMID 42123471
- 7
SS-31 inhibits mtDNA-cGAS-STING signaling to improve POCD by activating mitophagy in aged mice
Inflammation research : official journal of the European Histamine Research Society ... [et al.] · 2024·PMID 38411634
- 8
Role of mitochondrial dysfunction in renal fibrosis promoted by hypochlorite-modified albumin in a remnant kidney model and protective effects of antioxidant peptide SS-31
European journal of pharmacology · 2017·PMID 28322835
This audit is for educational purposes only. Not medical advice. Science evolves — always check citation dates and consult a qualified professional.
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