SS-31
Also known as: Elamipretide, MTP-131, Bendavia
4.4
out of 5.0
Social Mentions
Scroll →Synthetic tetrapeptide that concentrates in mitochondria and stabilizes cardiolipin. Restores ATP production and reduces oxidative damage in aged tissue.
Overview
Once inside, SS-31 accumulates in the inner mitochondrial membrane and binds cardiolipin, a phospholipid that holds cristae together and organizes electron transport chain complexes. Stabilizing the cardiolipin-cytochrome c interaction tightens electron transfer, boosts ATP output, and plugs the electron leak that generates reactive oxygen species. A useful property: it fixes damaged or aged mitochondria without interfering with ones that are already working normally.
SS-31 has been through multiple Phase II and III trials. The MMPOWER studies in primary mitochondrial myopathy showed 6-minute walk test improvements. PROGRESS-HF found better left ventricular function in heart failure patients. In elderly subjects, it restored skeletal muscle ATP production and reduced oxidative damage. Other areas under investigation include acute kidney injury, ischemia-reperfusion injury, and Barth syndrome. Because cardiolipin dysfunction underlies many age-related conditions, the mechanism has broad potential applications.
Known effects
Dosage & protocol
Typical Dose Range
10000 – 40000
mcg per dose
Frequency
1x daily
Cycle Length
4-12 weeks
Common Vial Sizes
Work out how much to draw for your dose.
Use CalculatorDosages listed here are for research reference. This is not medical advice.
Storage
Lyophilized Powder
Reconstituted Solution
Reviews
All 41 reviews →4.4
u/anxious_robot
SS-31 identified for mitochondrial protection in comprehensive biohacking protocol
40-year-old male planning SS-31 use for mitochondrial protection as part of longevity stack. Currently using BPC-157, TB-500, Tirzepatide, CJC-1295, Ipamorelin, MOTS-C, AICAR, GHK-Cu, ARA-290. Lost 30kg in 8 months with comprehensive lifestyle changes and peptide regimen. Cholesterol dropped from 8 to 5 without statins. Identified SS-31 as next addition for mitochondrial health optimization.
u/HVL2025
SS-31 used in comprehensive peptide stack for weight loss and anti-aging
57-year-old male using SS-31 as part of extensive peptide protocol. Stack included: Reta, Tirz, Cagri, GHK-Cu, BPC-157, TB-500, CJC, IPO, SERMO, SS-31, Mots C, NAD+, Semax, Selank, MT2. Lost 95 lbs (280 to 185 lbs) over one year without exercise. Resolved sleep apnea, high blood sugar, high cholesterol, high BP, ADHD, and gout. Had spine surgery January 7th with 2-week peptide break. Results described as transformative for energy and overall health markers.
u/JustBacWater
Peptide reference guide with SS-31 dosing and cycling information
Educational reference guide listing SS-31 (Elamipretide) under immune/inflammation/longevity category. Recommended dose: 1-10 mg/day sub-Q, cycle 4-8 weeks with 2-4 weeks time off. Benefits listed as mitochondrial protection, energy, cellular health, anti-aging. Noted as 'highly regarded in longevity circles' and 'targets mitochondrial inner membrane directly.' Post explicitly states this is for educational discussion only, not medical advice, and many peptides lack FDA approval for general use.
u/kpfleger
FDA approval of elamipretide (SS-31) for Barth syndrome marks milestone
Post announcing FDA accelerated approval of elamipretide (Forzinity, formerly SS-31) by Stealth Bio for Barth syndrome treatment. Described as 'first general mitochondria therapeutic to get to FDA approval.' Notes elamipretide was 'known as SS-31 & has been used by biohackers for years.' Mentions it targets cardiolipin on inner mitochondrial membrane. Acknowledges peptides have mixed reputation but states 'at least some really do seem to be safe with nontrivial data also showing effectiveness.' Additional phase 3 trials ongoing for dry AMD and primary mitochondrial myopathy.
u/GarifalliaPapa
Scientific overview of SS-31 (Elamipretide) for mitochondrial repair
Comprehensive post on mitochondrial dysfunction and aging. Mentions SS-31/Elamipretide as emerging mitochondrial-targeted therapy that 'can physically repair mitochondrial membranes.' Described as peptide that 'stabilizes mitochondrial membranes' alongside other compounds like MitoQ and SkQ1. Referenced in context of advanced technologies for mitochondrial repair, noting it remains in early translational stages. No personal dosage or direct use experience reported.