Up to20%OFF
Bulk Orders 20+ vials
Volume pricing applies automatically from three vials and reaches 20% at twenty. Larger runs, institutional supply and custom timelines get a quote.
Ask about bulk
Longevity Research
SS-31
Lyophilized in the USA639.8 g/mol
SS-31, also written SS31, is a research peptide studied for its role in mitochondrial function. Topics include oxidative stress and cell energy signaling. It is also used in cardiometabolic research models.
In stock · ready to shipEarn 69 points
Mass
Quantity
1
$0.00$69.99
Save 10% with code WELCOME10 at checkout
Your purchasing batch
SSX01
Certificate on record · 6 lots published
Bundle & saveApplies to every size
Referral program · researchers save 10%, you earn 15% backFedEx 2-Day shipping
Free on orders over $250
Ships from Irvine, California
Tracked delivery on every order
Per-batch COA access
Every order ships with certificate access for its lot
Secure encrypted checkout
CASH APP 5% OFFZELLE 5% OFFBANK TRANSFER 5% OFFCHIME 5% OFFCRYPTO 7% OFFVISA · AMEX NO FEE
Commonly Researched With
The compounds researchers order most, by verified order volume.
More ways to save
Verified test results
Every batch, independently verified.
Each batch is analyzed by an independent third-party laboratory before release. The lots below were tested by Chromate and ILS Laboratories. Below is the report for lot SSX01, summarized from the certificate the lab published.
ILSPASS
ILS Laboratories
Independent · ISO/IEC 17025 accredited
Certificate of Analysis · COA-2026-UQPDZV
99.44%
Purity by HPLCSPEC ≥ 95.0%
Lot
SSX01
Tested
Jul 26, 2026
Labeled
10mg
Measured
10.66mg
ISO 17025 accreditedFentanyl freeFull QC panel6 lots on record
View the signed certificate →
Full QC Panel✓ 7 passed · 1 reported
Appearance
Per certificate
Good
PASS
Identity
HPLC
Confirmed
PASS
Purity
HPLC
99.44%
SPEC ≥ 95.0%
PASS
Net peptide content
HPLC
10.66mg
REPORT ONLY
REPORTED
Sterility
PCR
No Growth
PASS
Endotoxins
LAL
<.25EU/mL
SPEC ≤ 5 EU/mL
PASS
Heavy metals
ICP-MS
All Below Limits
USP <233>
PASS
Fentanyl screen
Per certificate
Not detected
PASS
ILSPASS
ILS Laboratories
Independent · ISO/IEC 17025 accredited
Certificate of Analysis · COA-2026-XKX334
99.50%
Purity by HPLCSPEC ≥ 95.0%
Lot
SS502
Tested
Sep 4, 2026
Labeled
50
Measured
53.48mg
ISO 17025 accreditedFentanyl free6 lots on record
View the signed certificate →
Certificate results✓ 7 passed · 1 reported
Appearance
Per certificate
Good
PASS
Identity
HPLC
Confirmed
PASS
Purity
HPLC
99.50%
SPEC ≥ 95.0%
PASS
Net peptide content
HPLC
53.48mg
REPORT ONLY
REPORTED
Sterility
PCR
No Growth
PASS
Endotoxins
LAL
<0.05EU/mL
SPEC ≤ 5 EU/mL
PASS
Heavy metals
ICP-MS
All Below Limits
USP <233>
PASS
Fentanyl screen
Per certificate
Not detected
PASS
Every batch on record
Every lot we have published for this compound, grouped by the lab that tested it, newest first. Open any certificate below, exactly as the lab released it.
ILS Laboratories3 certificates
Latest publishedSS502 SSX01 59981X
99.50%
Labeled50
IdentityConfirmed
Measured53.48mg
TestedSep 4, 2026
View certificate →On record99.44%
Labeled10mg
IdentityConfirmed
Measured10.66mg
TestedJul 26, 2026
View certificate →On record99.63%
Labeled50mg
IdentityConfirmed
Measured53.46mg
TestedJun 6, 2026
View certificate →Side by side
How Disguised compares.
Disguised
Typical supplier
Per-batch third-party COA
Yes
Rarely provided
ISO 17025 lab testing
Yes
Inconsistent
HPLC purity verified
Yes
Often unverified
Sterility tested
Yes
Rarely
Endotoxin tested
Yes
Rarely
Heavy metal tested
Yes
Rarely
Conformity testing
Yes
Not standard
Fentanyl screening
Yes
Not standard
Made & tested in the USA
Yes
Often overseas
Discreet, tracked shipping
Yes
Varies
Technical specifications
Compound Information
Read the SS-31 research guideAlso available as SS-31 Aerosol SprayCompare SS-31 vs MOTS-cPeptide storage guideHow to reconstitute peptidesMolecular Profile
What is SS-31?
Molecular FormulaC₃₂H₄₉N₉O₅
Molecular Weight639.8g/mol
Storage Requirements
Stability information.
Avoid freeze/thaw cyclesProtect from lightRefrigerate after reconstitution
−20°C
Lyophilized powder, as shipped
The most stable form. Store cold and protected from light until it is reconstituted.
2–8°C
After reconstitution
Refrigerate once reconstituted and keep it protected from light.
Peer-reviewed literature
The research behind this compound, cited in full.
Every reference below is a published, peer-reviewed record, linked to its PubMed entry. Provided for educational reference only - not product claims.
01Oxidative medicine and cellular longevity · 2022SS-31, a Mitochondria-Targeting Peptide, Ameliorates Kidney DiseaseZhu Y, et al.02Biomedicine & pharmacotherapy = Biomedecine & pharmacotherapie · 2025SS-31@Fer-1 Alleviates ferroptosis in hypoxia/reoxygenation cardiomyocytes via mitochondrial targetingZheng H, et al.03Organogenesis · 2025SS-31 Targets NOS2 to Enhance Osteogenic Differentiation in Aged BMSCs by Restoring Mitochondrial FunctionDuan S, et al.04Oxidative medicine and cellular longevity · 2021SS-31 Protects Liver from Ischemia-Reperfusion Injury via Modulating Macrophage PolarizationShang L, et al.05Journal of neuroinflammation · 2019Elamipretide (SS-31) improves mitochondrial dysfunction, synaptic and memory impairment induced by lipopolysaccharide in miceZhao W, et al.
Important research notice
Not for human, veterinary, or food use. This product is sold exclusively for laboratory research purposes. It is not intended to diagnose, treat, cure, or prevent any disease, and has not been evaluated by the FDA.
All referenced publications and registries are sourced from peer-reviewed journals and official registries. They are provided for educational reference only and are not product claims.
By purchasing, you confirm you are a qualified researcher and will handle this product in accordance with all applicable laws and regulations.
Ready when you are
Nothing ships without paperwork. Every lot is on record.
The lot on this page links to the signed certificate for that batch.
6Lots on record
99.50%HPLC purity, latest lot
17025ISO/IEC accredited lab