SS-31 Peptide Pen 20mg
Pre-filled · No reconstitution
High-purity SS-31 (Elamipretide) 20mg mitochondria-targeted research peptide in a pre-filled multi-dose research pen.
Verified & Lab-Tested
Buy SS-31 Peptide UK —
Lab-Tested Elamipretide Pen
Buy SS-31 peptide in the UK as a pre-filled 20mg Elamipretide research pen — no reconstitution, verified ≥99% purity, tracked UK dispatch. For laboratory research use only.
£169.00 · In stock · UK dispatch
✓ Third-party tested
✓ ≥99% verified purity
✓ UK dispatch
✓ Research use only
30 Trustpilot reviews700+ research orders fulfilledUK lab-tested dispatch
I want to buy
Where can I buy SS-31 in the UK?
You can buy SS-31 (Elamipretide) in the UK from My Reta as a pre-filled 20mg multi-dose research pen for £169.00, independently tested to ≥99% purity, with tracked UK dispatch. It is supplied for laboratory research use only — SS-31 has no MHRA authorisation, so it cannot be sold as a medicine.
The hard part of buying SS-31 in the UKisn't finding a seller — it's finding one who can prove what's in the pen. Because SS-31 is investigational and unregulated as a research chemical, the only thing that separates a credible supplier from a risky one is verification.
That's where we plant our flag. Our SS-31 ships as a pre-filled Genesis multi-dose pen with independent third-party testing confirming identity and ≥99% purity. No generic images, no "trust us" — verified testing for the actual product.
I want to know
What is SS-31 (Elamipretide)?
SS-31 — also known as Elamipretide or Bendavia — is a mitochondria-targeted research tetrapeptide. It binds cardiolipin in the inner mitochondrial membrane, helping stabilise membrane structure, restore ATP production, and reduce reactive oxygen species (ROS) in preclinical studies.
Unlike general antioxidants, SS-31 is an aromatic-cationic tetrapeptide (D-Arg-Dmt-Lys-Phe-NH2) that selectively concentrates in the inner mitochondrial membrane. There it binds cardiolipin, a phospholipid unique to that membrane, helping stabilise cristae structure and restore electron transport chain efficiency between complex I, III, and cytochrome c.
The compound's cardiolipin-protective mechanism was described in the British Journal of Pharmacology, and Elamipretide has been studied in human clinical trials registered on ClinicalTrials.gov. Those sources describe the investigational drug in trials, not the research-use compound sold here.
Supplied strictly for laboratory and in-vitro research use only. Not for human consumption. Not a medicine. No human-use outcomes are claimed.
I want to buy
SS-31 for sale: current UK stock
One format, done properly: the pre-filled SS-31 Peptide Pen 20mg.
I want to know
How much does SS-31 cost in the UK?
The SS-31 Peptide Pen 20mg costs £169.00with tracked UK dispatch included. That sits in the fair, lab-tested band — not the mystery-vial range, and not the inflated "pharmacy-style" range either.
What the price covers:
Independent testing
Third-party purity verification, so you can check exactly what you are purchasing (see how we test).
Pre-filled pen format
20mg of SS-31 pre-formulated in 3ml with 12 disposable needles — no freeze-dried powder, no bacteriostatic water, no mixing errors.
Verified purity
≥99% purity confirmed by independent analysis, not just printed on the label.
UK accountability
Real client support, transparent returns policies, and rapid tracked UK shipping — no customs roulette.
I want to do
How do I use the SS-31 pen?
You don't reconstitute anything. The SS-31 pen arrives pre-filled with 20mg in 3ml — dial your research dose with the precision click mechanism: 4 clicks = 250mcg, 8 clicks = 500mcg, 12 clicks = 750mcg, 16 clicks = 1mg. Every 3 clicks adds roughly 100mcg.
4 Clicks250 mcg0.25 mg
8 Clicks500 mcg0.50 mg
12 Clicks750 mcg0.75 mg
16 Clicks1.0 mg1000 mcg
I want to know
How do I know your SS-31 is real?
Because it's independently tested and we publish the verification. Check the batch number, test date, and named lab on the product detail page — if any supplier won't show you those, walk away.
In a category with no regulator standing behind the product, independent testing is the quality control.It's the single thing that tells you whether you're buying SS-31 or an expensive question mark.
The science behind the compound is real and well documented — Elamipretide's cardiolipin-binding mechanism is published in peer-reviewed journals — but research-supplied peptides are not the regulator-verified clinical-trial formulation, which is exactly why testing matters.
Research applications
- Cardiac ischaemia-reperfusion models
- Renal tubular protection studies
- Neurodegenerative oxidative stress pathways
- Age-related mitochondrial dysfunction research
- Cardiolipin binding and cristae structure investigation
Specifications
- Compound
- SS-31 (Elamipretide / Bendavia)
- Strength
- 20mg in 3ml pre-filled pen
- Purity
- >=99% independently verified
- Includes
- Pen, 12 needles, instruction guide
- Dispatch
- Tracked UK dispatch
- Classification
- Research use only
I want to know
What do researchers pair SS-31 with?
MOTS-C is the most common pairing: SS-31 first to stabilise mitochondrial membranes and reduce ROS, then MOTS-C to activate AMPK and stimulate mitochondrial biogenesis. Tissue repair studies pair SS-31 with the KLOW GHK-Cu stack instead.
Mitochondrial researchers frequently pair SS-31 with complementary cellular energy and tissue repair compounds: SS-31 first to stabilise membranes and reduce ROS, then a second compound to build on that foundation.
Step 2: Cellular energy boost£165.00
MOTS-C KLIK PEN 40mg
Use SS-31 first to stabilise mitochondrial membranes and reduce ROS, then MOTS-C to activate AMPK, boost ATP, and stimulate mitochondrial biogenesis.
View Product →4-in-1 tissue repair stack£169.00
KLOW (GHK-Cu 50mg + KPV 10mg + BPC-157 10mg + TB-500 10mg)
Combines GHK-Cu 50mg, KPV 10mg, BPC-157 10mg, and TB-500 10mg in one Genesis pen for collagen, cellular recovery, and anti-inflammatory research.
View Product →I want to do
How do I order SS-31 in the UK?
Add the pen to your cart, check out securely, and it ships with tracked UK dispatch. Four steps, no reconstitution kit needed:
- 1
Add to Cart
Add the SS-31 Peptide Pen 20mg from the stock section above.
- 2
Verify Quality
Check the testing details linked on the product detail page.
- 3
Secure Checkout
Place your order with secure processing and tracked UK dispatch.
- 4
Dial, Don't Mix
The pen arrives pre-filled — use the click guide on the product page for dose conversion (4 clicks = 250mcg).
Frequently Asked Questions
Can you buy SS-31 in the UK?
Yes - as a research peptide for laboratory use only. SS-31 (Elamipretide) has no MHRA authorisation, so it cannot legally be sold or used as a medicine. Buy only from a supplier that publishes third-party purity testing.
What is SS-31 peptide?
SS-31, also known as Elamipretide or Bendavia, is a mitochondria-targeted research tetrapeptide (D-Arg-Dmt-Lys-Phe-NH2). It selectively concentrates in the inner mitochondrial membrane, where it binds cardiolipin. It remains investigational.
How does SS-31 (Elamipretide) work?
SS-31 binds to cardiolipin, a phospholipid unique to the inner mitochondrial membrane. In preclinical studies this helps stabilise cristae structure, restore electron transport chain efficiency and ATP output, and reduce reactive oxygen species (ROS). Published findings are scientific background only.
Is SS-31 the same as Elamipretide and Bendavia?
Yes. SS-31 is the research name, Elamipretide is the international non-proprietary name, and Bendavia was an earlier development name. All three refer to the same tetrapeptide compound.
What purity is your SS-31?
My Reta SS-31 batches are independently tested to >=99% purity, with third-party lab verification surfaced on the product detail page.
Do I need to reconstitute the SS-31 pen?
No. The SS-31 Peptide Pen 20mg arrives fully pre-filled and pre-formulated in a multi-dose Genesis research pen with 12 disposable needles. No freeze-dried powder mixing or bacteriostatic water is needed.
What is the click conversion for the SS-31 20mg pen?
The pen uses a precision dial: 4 clicks = 250mcg, 8 clicks = 500mcg, 12 clicks = 750mcg, and 16 clicks = 1mg. Every 3 clicks adds roughly 100mcg. Full details are on the product page click guide.
How much does SS-31 cost in the UK?
The SS-31 Peptide Pen 20mg is £169.00 with tracked UK dispatch. Credible lab-tested products cost more than COA-less mystery listings because independent testing, batch verification, and UK dispatch are built in.
Is SS-31 approved for human use in the UK?
No. SS-31 (Elamipretide) is investigational, has no MHRA marketing authorisation, and is supplied here strictly for laboratory research - not for human consumption.
How should SS-31 be stored?
Keep the pen refrigerated at 2-8°C, away from light. Follow the product-specific storage guidance included with the pen and shown on the product page.
How do I verify your testing?
Use the COA and quality-testing links on this page and the product detail page. The important checks are the batch number, test date, named lab, and independent verification route.
Do you ship SS-31 across the UK?
Yes - My Reta ships within the United Kingdom with tracked UK dispatch, so there are no customs delays or seizure risk from overseas parcels.
What do researchers pair SS-31 with?
Mitochondrial researchers frequently pair SS-31 with MOTS-C - SS-31 first to stabilise membranes and reduce ROS, then MOTS-C to activate AMPK and stimulate mitochondrial biogenesis. Tissue repair studies also pair it with the KLOW GHK-Cu stack.
Why buy SS-31 from My Reta?
My Reta focuses on independently tested research products, batch verification, UK dispatch, research-use compliance, and clear scientific background without human-use claims.
SS-31, verified — not assumed.
Lab-tested, pre-filled, UK-dispatched. The research-grade way to buy SS-31 in the UK.
For laboratory and research use only. Not for human consumption. SS-31 (Elamipretide) has no MHRA marketing authorisation.