Research peptide vendor

Olympex Solutions

A 48-compound research supplier that prints the lot number and the measured purity of the currently shipping lot on every product card, before you add anything to a basket. We have not seen another vendor do that, and the urgency devices sitting next to it are the only thing working against the page.

Visit olympexsolutions.comUpdated October 30, 2026
Checked
by hand
4/6

quality claims we could confirm ourselves, rather than repeat from the vendor's marketing.

Catalog
48 listings: 28 single vials, 7 blends, 10 mist applicators, 1 topical, 2 supplies
Pricing
$19.99 to $104.99
Ships from
United States, stated dispatch within 24 hours

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What they sell

BPC-157, TB-500 and the combined blend, CJC-1295 with DAC and a no-DAC Ipamorelin blend, GHK-Cu, MOTS-c, SS-31, Epithalon, DSIP, KPV, Kisspeptin, Selank, Semax and a combined mist, Sermorelin, Tesamorelin alone and with Ipamorelin, Thymosin Alpha-1, IGF-1 LR3, AOD-9604, 5-Amino-1MQ, PT-141, Melanotan 1 and 2, NAD+, glutathione, the KLOW and GLOW blends, cagrilintide, and tirzepatide and retatrutide analogues sold as OS-2 TZ and OS-3 RT.

What this actually is

Sold for laboratory research use, carrying no approval for human or veterinary use. The compound descriptions are written in genuine pharmacological language, which makes the research framing more coherent here than at most vendors, and it's still a framing. Nothing here is medical advice.

Every claim, checked one at a time

Graded by whether we could confirm it ourselves or are only repeating what the vendor states. A vendor's honesty about its own testing is a different question from what a published trial shows, so this is a separate scale from the evidence grades on our guides.

Measured purity and lot number appear on every product card

Confirmed

Read off the catalogue page with nothing in the basket and no account. OS-3 RT shows 99.87% against lot OSL-GLP3RT10-02, GHK-Cu 99.87% against OSL-GHKCU50-01, Tesamorelin 99.80% against OSL-TSM10-02, Thymosin Alpha-1 99.02% against OSL-TA1-01. Every listing carries both. This is the furthest any vendor in our catalogue goes, because it answers which lot and how pure before the purchase rather than after it.

Where the vendor states this

Purity figures vary by product rather than all reading the same

Confirmed

They run from 99.02% on Thymosin Alpha-1 to 99.94% on cagrilintide, with Sermorelin at 99.27%, DSIP at 99.49% and IGF-1 LR3 at 99.51%. A set of numbers that all read 99.9% would be a marketing decision rather than a measurement. A spread that includes a 99.02% and publishes it anyway is the shape real measurement takes.

Where the vendor states this

Volume discounts apply automatically with no code

Confirmed

5% at two or more vials, 10% at three or more, 15% at ten or more, stated as mix any vials and no code needed. The per-vial discounted price is printed under each product, so a 2+ price of $42.74 against $44.99 is visible before checkout rather than appearing at it.

Where the vendor states this

Compound descriptions are written to a scientific standard

Confirmed

Cagrilintide is described as a 37-residue acylated analogue of human amylin characterised at the amylin and calcitonin receptors. PT-141 as a cyclic heptapeptide melanocortin agonist derived from Melanotan 2 by C-terminal deamidation. AOD-9604 as a modified C-terminal fragment, residues 177 to 191, of human growth hormone with an added N-terminal tyrosine. That's accurate pharmacology rather than benefit copy, and it's rare.

Where the vendor states this

Every lot is independently tested before listing

Their claim

The homepage states that every lot is tested by an independent laboratory before listing, and a Certificates section sits in the main navigation. The purity figures are consistent with that. We haven't audited the issuing laboratory or opened a certificate for every lot, so while the claim is specific and checkable per product, which beats most, it's still the vendor describing its own process.

Where the vendor states this

The sales counters and stock warnings reflect real activity

Unverified

Cards carry 1,200+ sold this month, 220+ sold this month, and ONLY 3 LEFT badges. None of it is verifiable from outside, all of it is controlled by the seller, and all of it creates urgency. It sits oddly beside the genuinely good disclosure above it, and it is the one part of the page we would ignore.

Where the vendor states this

What holds up

  • Measured purity and the lot number for the currently shipping stock are printed on every product card, before purchase. No other vendor we review does this.
  • The purity spread is honest, running from 99.02% to 99.94% rather than a uniform marketing figure.
  • Volume discounts are automatic, stated plainly and shown per vial, with no code to hunt for.
  • Compound descriptions are written in correct pharmacological terms rather than benefit language.
  • Broad catalogue at 48 listings including mist applicators, which few vendors stock.

What we'd flag

  • Urgency devices undercut the disclosure

    ONLY 3 LEFT badges and sold this month counters are seller-controlled numbers designed to hurry a decision. On a page whose whole advantage is letting you check a certificate before you buy, they work against the thing that makes the site good.

  • GLP analogues are sold under coded names

    OS-3 RT and OS-2 TZ rather than retatrutide and tirzepatide, the same compliance habit as Pacific Edge Labs, Inno Peptides and Arcane. The lot codes decode it (OSL-GLP3RT10-02), and it still makes cross-vendor price comparison harder.

  • Not the cheapest on the blends

    GLOW Blend 70mg at $104.99 against $80.00 at Arcane Peptides and $114.95 at Pacific Edge Labs. The documentation here is the best of the three, so there's a case for the premium. It's still a premium.

  • Purity is one of three questions, not all of them

    A high purity figure says the compound is what it claims to be. It does not say how much is in the vial. Independent testing of other vendors has found high purity alongside short fills, which a purity assay passes. Quantity and identity answer different questions, and the cards show one of them.

What publishing the purity before purchase actually changes

We have been tightening the same screw across every vendor on this site, and this is the end of it.

Inno Peptides explains what a certificate is and publishes none. BioLongevity Labs publishes certificates, and a reviewer last week couldn't find a batch number on the vial to match one to.

Pacific Edge Labs prints lot numbers in its report titles, then tells you to email support to find out which lot is in stock. Arcane Peptides marks which lot is current on its lab results page.

Olympex puts the lot and its measured purity on the product card itself. No navigation, no email, no account. The number for the thing you are about to be sent is next to the button that sends it.

That's the whole chain closed, and the useful part is that it makes the vendor falsifiable. Anyone who receives lot OSL-TSM10-02 and has it tested can check 99.80% against their own result, which is a thing no vendor publishing a catalogue-wide PDF has ever offered.

The badges we would ignore

ONLY 3 LEFT. 1,200+ sold this month. 220+ sold this month.

None of those is checkable and all of them are set by the seller, so we discount them entirely. They are the standard devices for hurrying a decision, and we treat every on-site counter the same way across this site, including the review widgets claiming six figures on brands we otherwise rate.

What makes them worth mentioning here rather than shrugging at is the contrast. The purity disclosure invites you to slow down and check a number. The badge beside it tells you to hurry up. The first is the reason to buy from this vendor, so let it win.

Where the price lands

Better documentation isn't free, and it's worth seeing where the premium falls.

On the GLOW blend, 70mg costs $104.99 here, $80.00 at Arcane Peptides and $114.95 at Pacific Edge Labs. Olympex sits in the middle with the best disclosure of the three.

On singles it is competitive rather than cheap: MOTS-c 10mg at $46.99 against $50.00 at Arcane, GHK-Cu 50mg at $44.99. And the automatic volume tiers do real work, since three vials takes 10% off without a code.

If price is the only axis, Arcane wins on the blends. If you want to check a number against the vial in your hand, this is the one vendor that lets you.

Before you order

Pricing
Open on the catalogue page with no account. $19.99 to $104.99, with automatic volume discounts of 5%, 10% and 15% at two, three and ten vials.
Shipping
United States, stated dispatch within 24 hours. Order tracking linked site-wide.
Returns
Contact and order tracking are published. We did not test a return.
Payment
Standard checkout, plus a partner programme for resellers.

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Common questions

It goes further on disclosure than any vendor we review, and we have checked all of them. The measured purity and the lot number of the stock currently shipping are printed on every product card, before you buy. The things we would ignore are the stock-scarcity badges and the sold-this-month counters sitting beside them.

Sources

Every fact above traces to one of these pages, published by the vendor itself and checked on October 30, 2026. Vendor policy pages change without notice, so if something here looks out of date, it probably is.

Compare against

BioLongevity Labs

Open pricing, public COAs, strict research-only gate

Read that review