Where to Buy SS-31 Peptide in 2026: Price, COAs, and Elamipretide Checks

Affiliate disclosure: Ascension Peptides is a Peptides Defined referral partner. We may earn a commission when you purchase through links on this page. Our coupon code is PEPTIDESDE. The commercial relationship does not change the product-distinction, batch-verification, or research-use limits below.

Quick Answer: Where to Buy SS-31

For qualified research-use procurement, our current pick is Ascension Peptides SS-31. Its live listing showed a 10 mg lyophilized vial at $60 before discounts, in-stock status, and batch-specific records from Kovera Labs and MZ Biolabs when checked on July 13, 2026. Use code PEPTIDESDE, currently advertised as 50% off, and confirm the live checkout total.

The boundary matters more for SS-31 than for most research listings. Elamipretide, the same peptide molecule, now has an FDA-approved prescription presentation called Forzinity for a narrow Barth syndrome indication. Ascension's vial is not Forzinity, is not a prescription, and is not interchangeable with the approved product. Read our SS-31, Forzinity, and longevity-claims review before using the approval as a shortcut for a broad consumer claim.

Current Ascension SS-31 Listing

Ascension's current page identifies SS-31 as a 10 mg single vial and shows a $60 list price. The newest displayed record names Kovera Labs, batch 40-05260628, with a May 26, 2026 test date. An earlier MZ Biolabs record shows batch 40-07250828 and a September 20, 2025 test date. The page labels the product for research use only and says it is not approved for human or veterinary use.

Inventory and displayed reports can change. Reopen the product page before checkout, then compare the delivered sample with the report. The compound name, amount, and batch identifier should agree across the order, vial, and certificate. A current report for one batch does not document a different batch that arrives later.

SS-31 Research Vial vs Forzinity

SS-31 is a development name for the tetrapeptide elamipretide. FDA granted accelerated approval to Forzinity in September 2025 to improve muscle strength in adult and pediatric patients with Barth syndrome who weigh at least 30 kg. The label describes a sterile prescription solution at 80 mg/mL, regulator-reviewed manufacturing controls, and an indication tied to confirmatory obligations.

Ascension's page describes a 10 mg lyophilized research vial. Even if a report supports the expected peptide identity, that does not establish the approved product's formulation, concentration, sterility controls, container system, release specifications, or clinical supply chain. The shared molecule name does not make the products substitutable.

FDA's trial snapshot also shows why approval language needs context. The initial 12-week randomized portion enrolled 12 participants and did not show superiority on its primary walking and fatigue endpoints. The accelerated approval relied on knee extensor strength changes observed during the longer open-label extension, with continued approval potentially contingent on confirmatory evidence. That record does not support general energy, exercise, recovery, or anti-aging marketing.

Why We Recommend Ascension for Research Procurement

Ascension is our first place to check because the product page exposes the core procurement details before payment: a defined 10 mg amount, named third-party laboratories, batch identifiers, test dates, and links to a public COA library. That gives a buyer a traceable path from listing to lot to report instead of a generic "high purity" claim.

The current price is straightforward. The $60 list price equals $6 per listed milligram. If the 50% partner code applies, the vial subtotal becomes $30, or $3 per listed milligram, before shipping and tax. Ascension also displays three-, five-, and ten-vial quantity discounts, but buyers should not assume those reductions stack with an affiliate code. The live cart determines the effective price.

Our recommendation remains a procurement judgment. Peptides Defined did not independently purchase and test the displayed lot. The seller's report documents a submitted sample, and the product page itself excludes human and veterinary use. Read the full Ascension Peptides review for supplier-level strengths and limitations, then use the vendor-vetting checklist on the current batch.

How to Check an SS-31 COA

Identity deserves special attention. SS-31 is a specific four-amino-acid peptide with a modified tyrosine and a D-amino acid. A seller should identify the compound clearly enough for the laboratory report to test the expected molecular species. Mass spectrometry can support molecular identity, while HPLC can estimate the proportion represented by the main detected peak. The product amount and lot number should also connect the page, report, and delivered vial.

Neither method answers every quality question. A high HPLC purity result does not establish sterility, endotoxin control, residual-solvent limits, counterion, fill quantity, or stability during shipping. It also does not prove equivalence to Forzinity. Our COA red-flags guide explains how sellers collapse distinct tests into one reassuring percentage.

Reject reports that omit the sample identifier, test date, method, or laboratory. Also reject a certificate that belongs to a different vial amount or product name. If the delivered lot is not the displayed lot, request the exact report before treating the sample as documented. A screenshot of a report is useful only when it can be traced to the actual order.

What Is a Fair SS-31 Price?

Ascension's current numbers provide a useful baseline: $60 for 10 mg before the partner code and a potential $30 subtotal after the advertised 50% reduction. With the official shipping page listing a flat $15 domestic charge, one discounted vial would be $45 delivered before tax. That makes shipping one third of the pre-tax order total, so compare delivered cost rather than the vial badge.

Compare like with like. A 5 mg vial should be normalized to a per-milligram basis. A premixed solution should not be treated as equivalent without checking concentration, excipients, container, shipping conditions, and stability. A prescription Forzinity price is also not a valid comparator because it includes a regulated drug presentation, approved labeling, supply controls, and an entirely different access pathway.

The cheapest listing is not necessarily the lowest-cost research input. Missing identity work, an unmatched lot, or unclear fill amount can invalidate the sample and the experiment. Quantity discounts can also create unused material and extra recordkeeping. Purchase size should follow the defined laboratory plan rather than a discount tier.

Shipping, Delivery, and Storage Checks

Ascension's current shipping policy lists a flat $15 domestic charge and typical delivery within two to five business days after payment clears. The company uses UPS or USPS and recommends Route shipping protection because it states that carrier loss or damage becomes the buyer's responsibility after handoff. Confirm those terms and the destination eligibility before ordering.

On arrival, inspect the seal, glass, cap, powder appearance, product identifier, amount, and batch. Photograph damaged, wet, open, or heat-exposed packaging before contacting support, and retain the carton and shipping label. Compare the delivered batch to the product-page report before placing the sample into the laboratory inventory.

Record arrival and storage conditions as part of the sample history. Do not translate a vendor's generic storage paragraph into a consumer-use protocol. Our reconstitution calculator performs concentration math only and does not recommend a diluent, dose, route, schedule, or human use.

SS-31 Buyer Checklist

The canonical SS-31 peptide guide covers the molecule and mechanism. For adjacent mitochondrial marketing, compare it with the MOTS-c peptide guide. Shared mitochondrial language does not establish shared evidence, equivalent products, or a rational combination.

What the Human Evidence Supports

Elamipretide has been tested in people, but the results are indication specific. The small Barth syndrome program produced the evidence used for accelerated approval. In primary mitochondrial myopathy, a 30-person crossover study found that the 6-minute walk primary endpoint did not reach statistical significance, although some patient-reported secondary measures favored elamipretide. The later 218-participant MMPOWER-3 trial did not improve its primary walking or fatigue endpoints versus placebo.

That mixed record is important for buyers. A biologically plausible cardiolipin mechanism and an approval in one rare disease do not establish broad benefits for healthy aging, exercise performance, fatigue, or longevity. Our SS-31 mechanism and heart-trial review separates the membrane biology from outcome claims.

The commercial conclusion is therefore limited. Ascension currently provides a clearly sized SS-31 research vial with accessible batch records and a strong partner price. That makes it a practical first listing for qualified laboratories to evaluate. It does not make the vial Forzinity, establish sterile prescription quality, or support self-directed use for mitochondrial, energy, recovery, or longevity goals.

FAQ

Where can I buy SS-31 peptide in 2026?

For qualified research procurement, our current first stop is Ascension Peptides. Its live SS-31 page lists a 10 mg vial, batch-specific Kovera Labs and MZ Biolabs records, and a $60 pre-code price. Use code PEPTIDESDE and verify the live lot and cart total. This recommendation does not apply to medical use.

What is the Peptides Defined Ascension coupon code?

The code is PEPTIDESDE. Ascension currently advertises the partner discount as 50% off. Promotions can change, and the checkout total controls. Peptides Defined may earn a commission when a reader buys through the referral link.

How much does SS-31 cost?

Ascension listed its 10 mg SS-31 research vial at $60 before coupon, shipping, and tax on July 13, 2026. If the advertised 50% code applies, the vial subtotal is $30, or $3 per listed milligram, before the current $15 domestic shipping charge and tax.

Is SS-31 the same as Forzinity?

SS-31 and elamipretide refer to the same peptide molecule in scientific development, but an Ascension research vial is not Forzinity. Forzinity is a regulated prescription presentation approved under accelerated approval for a narrow Barth syndrome indication. The products are not interchangeable.

Does FDA approval of Forzinity prove SS-31 works for energy or longevity?

No. The approval is limited to improving muscle strength in specified patients with Barth syndrome and remains subject to confirmatory evidence. It does not establish general anti-aging, energy, exercise, recovery, or longevity benefits.

References

• SS-31 (10 mg) product listing, Ascension Peptides.
• Certificates of Analysis library, Ascension Peptides.
• Shipping Policies, Ascension Peptides.
• FDA Grants Accelerated Approval to First Treatment for Barth Syndrome, U.S. Food and Drug Administration.
• Forzinity (elamipretide) Prescribing Information, FDA AccessData.
• Drug Trials Snapshot: Forzinity, U.S. Food and Drug Administration.
• A Phase 2/3 Randomized Clinical Trial of Elamipretide in Barth Syndrome, Genetics in Medicine / PubMed.
• Natural History Comparison Study of Elamipretide in Barth Syndrome, Orphanet Journal of Rare Diseases / PubMed.
• A Randomized Crossover Trial of Elamipretide in Adults with Primary Mitochondrial Myopathy, Journal of Cachexia, Sarcopenia and Muscle / PubMed.
• Efficacy and Safety of Elamipretide in Primary Mitochondrial Myopathy: MMPOWER-3, Neurology / PubMed.
• SS-31 Binds Lipid Bilayers and Modulates Surface Electrostatics, Journal of Biological Chemistry / PubMed.

Disclaimer

This page is educational and contains affiliate links. It is not medical, legal, or purchasing advice for human use. Ascension's SS-31 product is labeled for research use only and is not Forzinity. This page does not provide dosing, injection, treatment, or reconstitution instructions. Verify current laws, institutional requirements, vendor records, product labeling, and batch documentation for your jurisdiction and intended laboratory use.