Cheapest SS-31 prices: best $/mg after codes
Anti-Aging / LongevityAlso known as: Elamipretide, MTP-131
Mitochondria-targeting tetrapeptide studied for cardiolipin and cellular-energy research.
📖 New to SS-31? Read the full guide →Cheapest SS-31 right now
$25.65 at RetaOne Labs
Best value is $2.50/mg at Puratek Peptides. Prices updated October 23, 2026.
Cheapest by size
sold as SS-31
after code peptidepub
sold as SS-31
after code peptidepub
sold as SS-31
after code peptidepub
| Vendor | Testing How grades work | Size | Price | $/unit | Deal |
|---|---|---|---|---|---|
Puratek PeptidesBest valueBest tested USAsold as PUR-31 | 7/7 tested | 30 mg | $74.95 | $2.50/mg | |
RetaOne Labs USA | 6/7 tested | 10 mg | $25.65$27 after code peptidepub | $2.57/mg | |
Soraci Labs USA | 3/7 tested | 50 mg | $149.99 | $3/mg | |
Valkyrie Peptides | 4/7 tested | 50 mg | $166.50$185 after code PEPTIDEPUB | $3.33/mg | |
LabFirst Peptides sold as SS-31 | 0/7 tested | 50 mg | $188.10$209 after code peptidepub | $3.76/mg | |
Ascension Peptides USA | 6/7 tested | 10 mg | $39.99$79.99 after code PEPTIDEPUB | $4/mg | |
Refined Biolabs sold as SS-31 | 0/7 tested | 10 mg | $39.99$49.99 after code peptidepub | $4/mg | |
Valor Peptides | 6/7 tested | 10 mg | $44.99$49.99 after code PEPTIDEPUB | $4.50/mg | |
Licensed Peptides sold as SS-31 | 0/7 tested | 50 mg | $258.60$272.21 after code peptidepub | $5.17/mg | |
LabFirst Peptides sold as SS-31 | 0/7 tested | 10 mg | $53.10$59 after code peptidepub | $5.31/mg | |
True Peptides sold as SS-31 | 0/7 tested | 10 mg | $54$60 after code peptidepub | $5.40/mg | |
Aero Peptides | Unrated | 10 mg | $55.24$64.99 after code PEPTIDEPUB | $5.52/mg | |
Soraci Labs USA | 3/7 tested | 10 mg | $79.99 | $8/mg | |
Licensed Peptides sold as SS-31 | 0/7 tested | 10 mg | $105.54$111.10 after code peptidepub | $10.55/mg | |
World Wide Peptides | 6/7 tested | 50 mg | $590.40$656 after code PEPTIDEPUB | $11.81/mg | |
World Wide Peptides | 6/7 tested | 10 mg | $173.70$193 after code PEPTIDEPUB | $17.37/mg |
Prices are for research materials sold for laboratory use only. PeptidePub may earn a commission from vendor links or codes at no cost to you. This does not affect testing grades or rankings. See our methodology. Best value is the lowest $/mg among vendors with verifiable published testing; Best tested is the vendor passing the most of our 7 testing checks.
Which size should I buy?
On this page the bigger vial is not cheaper per mg right now: the cheapest 10 mg option is $2.57/mg and the cheapest 50 mg option is $3/mg.
The saving only counts if you can use the vial within its storage window. This peptide's guide lists a reconstituted use-within window of 2 to 7 days. See handling and storage.
Smaller vials cost more per mg but waste less if a vial sits open past its window. Filter to 10 mg and Filter to 50 mg.
Watch SS-31 prices
Today's best is $2.50/mg. We'll email you when a tested vendor beats it, a discount code changes, or new lab results come in. No spam — only real changes.
Cheapest SS-31 price FAQ
What's the cheapest SS-31?
The cheapest SS-31 right now is $2.50/mg at Puratek Peptides for the 30 mg option, with no discount code applied.
How is SS-31 price per mg calculated?
PeptidePub normalizes each vial by dividing the effective checkout price by the listed size in mg. That lets different vial sizes sit in one cheapest-first comparison.
Are discount codes included in these prices?
Yes. When a vendor has a confirmed code percent in the catalog, PeptidePub applies that discount before calculating effective price and effective price per unit. Codes without a confirmed percent are shown, but they are not used to lower the calculated price.
How often are prices updated?
The catalog is refreshed daily from vendor data sweeps, and the page reflects the current catalog values at build time. When vendor pricing or codes change, the comparison and cheapest-offer answer update from the same source data.
Which size should I buy?
On this page the bigger vial is not cheaper per mg right now: the cheapest 10 mg option is $2.57/mg and the cheapest 50 mg option is $3/mg. The saving only counts if you can use the vial within its storage window.
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