Disclosure: Purgo Labs is our affiliate partner; we earn nothing from Peptide Partners. Scores come from the public rubric, which has no partnership input.
Research use only. Compound Review scores vendors on documentation — laboratory certificates, lot records, pricing and company identity. Nothing on this page is guidance on human or veterinary use, dosing or health outcomes.
01
Where each vendor is stronger
Computed from the rubric, prices and review record — never curated
Purgo Labs
COAs and pricing viewable without an account — COAs on product pages without login
Independent review base (50+ on an external platform) — 4.7 / 101 on Trustpilot, claimed; three reviews below four stars, all replied to (complaint read 9 Oct 2026; was 4.7 / 99 on 2 Oct)
No misleading trust signals or buyer-protection workarounds — No on-site review badge contradicting the independent record; card payment accepted; no regulator action found (checked 6 Sep 2026)
Lower list price on 9 of 12 like-for-like rows.
Larger independent review base: 4.8 (101 reviews) vs none on record.
Peptide Partners
Lower list price on 3 of 12 like-for-like rows we have on record (see table).
A public certificate ledger of 433 records — 128 purity, 125 endotoxin, 115 heavy-metal and 65 sterility — each row naming the agent, batch, coded manufacturer, date, result and laboratory, with a batch-ID lookup. The vendor says the batch ID on every vial label reconciles against it.
TrustPointe Analytics report SPL-4920, Retatrutide 24mg batch RT2622 (published 15 Sep 2026): five vials measured at 23.25, 24.85, 24.26, 24.22 and 23.65 mg on a 24 mg label, purity 99.84–99.90%. The vendor's copy links the signed report on trustpointelims.com, the lab's own system, which served it with client 'Peptide Partners'.
02
The 10 criteria, side by side
10/10 vs 7/10 · one point each, no weighting
Named lab
PurgoSteriGenix and Freedom Diagnostics named per lot
SteriGenix and Freedom Diagnostics named per lot
PeptideLaboratory named on every row of the public /independent-certifications ledger: TrustPointe Analytics, Chromate, Kovera Labs and BioRegen (read 24 Oct 2026)
Laboratory named on every row of the public /independent-certifications ledger: TrustPointe Analytics, Chromate, Kovera Labs and BioRegen (read 24 Oct 2026)
Lab-hosted COAs
PurgoVerify-at-lab links to sterigenixanalytical.com / freedomdiagnosticstesting.com
Verify-at-lab links to sterigenixanalytical.com / freedomdiagnosticstesting.com
PeptideTrustPointe report SPL-4920 (Retatrutide 24mg, batch RT2622) served from trustpointelims.com with client 'Peptide Partners' and key PNK34NHNGMLK; Chromate report #40754 (Tesamorelin 10mg, batch Tes2624) returned by chromate.org's own verify form with access code YRSZZFV26736 — both 24 Oct 2026
TrustPointe report SPL-4920 (Retatrutide 24mg, batch RT2622) served from trustpointelims.com with client 'Peptide Partners' and key PNK34NHNGMLK; Chromate report #40754 (Tesamorelin 10mg, batch Tes2624) returned by chromate.org's own verify form with access code YRSZZFV26736 — both 24 Oct 2026
Per-lot COAs
PurgoLot numbers (e.g. PL-BPC-05) with test dates per batch
Lot numbers (e.g. PL-BPC-05) with test dates per batch
Peptide433 batch-coded records (purity, endotoxin, heavy metals, sterility) with a batch-ID lookup; the vendor says the batch ID is printed on every vial label
433 batch-coded records (purity, endotoxin, heavy metals, sterility) with a batch-ID lookup; the vendor says the batch ID is printed on every vial label
Net content
PurgoMeasured net peptide published per lot (e.g. BPC-157 lot PL-BPC-05: 11.16mg vs 10mg label)
Measured net peptide published per lot (e.g. BPC-157 lot PL-BPC-05: 11.16mg vs 10mg label)
PeptideTrustPointe: 23.25 / 24.85 / 24.26 / 24.22 / 23.65 mg on a 24 mg label, purity 99.84–99.90%; Chromate: 9.42–9.56 mg across five vials on a 10 mg label, purity 99.17–99.26%
TrustPointe: 23.25 / 24.85 / 24.26 / 24.22 / 23.65 mg on a 24 mg label, purity 99.84–99.90%; Chromate: 9.42–9.56 mg across five vials on a 10 mg label, purity 99.17–99.26%
Ungated
PurgoCOAs on product pages without login
COAs on product pages without login
PeptideNot awarded
Review base
Purgo4.7 / 101 on Trustpilot, claimed; three reviews below four stars, all replied to (complaint read 9 Oct 2026; was 4.7 / 99 on 2 Oct)
4.7 / 101 on Trustpilot, claimed; three reviews below four stars, all replied to (complaint read 9 Oct 2026; was 4.7 / 99 on 2 Oct)
PeptideNot awarded
Consistent claims
PurgoNo contradictions found across site claims (checked Aug 2026)
No contradictions found across site claims (checked Aug 2026)
PeptideThe ledger's own statement that every certificate can be validated at the lab held for the two labs we tried (TrustPointe, Chromate); no accreditation claim made on the lab's behalf (24 Oct 2026)
The ledger's own statement that every certificate can be validated at the lab held for the two labs we tried (TrustPointe, Chromate); no accreditation claim made on the lab's behalf (24 Oct 2026)
Sized pricing
PurgoProduct pages state vial size with price (e.g. BPC-157 10mg at $44.99; 24 dated size+price readings on record)
Product pages state vial size with price (e.g. BPC-157 10mg at $44.99; 24 dated size+price readings on record)
PeptideEvery product states vial size and pack size with a price, read from the public Store API on 24 Oct 2026 (BPC-157 2×10mg $106; TB-500 2×10mg $130; GLP-1 Semaglutide 5×10mg $285; GLP-3 Retatrutide 2×12mg $124)
Every product states vial size and pack size with a price, read from the public Store API on 24 Oct 2026 (BPC-157 2×10mg $106; TB-500 2×10mg $130; GLP-1 Semaglutide 5×10mg $285; GLP-3 Retatrutide 2×12mg $124)
Entity + address
PurgoPurgoLabs LLC (Arizona) · 10105 E Via Linda St Bld 103, Scottsdale, AZ — on-site (6 Sep 2026)
PurgoLabs LLC (Arizona) · 10105 E Via Linda St Bld 103, Scottsdale, AZ — on-site (6 Sep 2026)
PeptidePirsek Technologies LLC named as operator in the terms (Wyoming law); 8350 Bee Ridge Rd #379, Sarasota, FL 34241 on the contact page, which the vendor labels a business mailing address (24 Oct 2026)
Pirsek Technologies LLC named as operator in the terms (Wyoming law); 8350 Bee Ridge Rd #379, Sarasota, FL 34241 on the contact page, which the vendor labels a business mailing address (24 Oct 2026)
Clean record
PurgoNo on-site review badge contradicting the independent record; card payment accepted; no regulator action found (checked 6 Sep 2026)
No on-site review badge contradicting the independent record; card payment accepted; no regulator action found (checked 6 Sep 2026)
Only vials both vendors list at the same size, read on each vendor's product page on the date shown. "After code" is list × the code's stated discount — a calculation, labelled as one; stacking with sale pricing is not cart-tested.
04
What we found at Peptide Partners
Read 24 October 2026 on the vendor's own pages
The certificate programme is among the most thorough we have read: 433 batch records across four test types, two labs we checked on their own systems, five vials measured per report. The rest is weaker. Trustpilot removed the profile, the card rail was down with Zelle offered instead, an unnamed '#1' claim sits on the sign-in page, and independent buys pass two times in three. Seven of ten.
Evidence ledger · read 24 October 2026
7 verified5 flags5 could not verify
Verified — what we opened, with the date
VerifiedA public certificate ledger of 433 records
128 purity, 125 endotoxin, 115 heavy-metal and 65 sterility — each row naming the agent, batch, coded manufacturer, date, result and laboratory, with a batch-ID lookup. The vendor says the batch ID on every vial label reconciles against it.
(published 15 Sep 2026): five vials measured at 23.25, 24.85, 24.26, 24.22 and 23.65 mg on a 24 mg label, purity 99.84–99.90%. The vendor's copy links the signed report on trustpointelims.com, the lab's own system, which served it with client 'Peptide Partners'.
(received 7 Oct, analysed 15 Oct 2026): five vials at 9.42–9.56 mg on a 10 mg label, purity 99.17–99.26%. Chromate's own verify form returned the report from the lab's database for access code YRSZZFV26736.
batch-average net content 40.99 mg, purity 99.705%, identity by LC-MS, endotoxin and 14-day sterility passes. Retatrutide and KLOW batches carry two purity reports from two labs ('double validated').
FlagCard processing 'undergoing maintenance' on 24 Oct 2026 with Zelle offered instead
Zelle is a bank-to-bank transfer with no chargeback, so a buyer has no dispute route while the card rail is down.
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FlagIndependent buys are more mixed than the vendor's own certificates
Finnrick records 77 passes in 105 classifiable tests (67%, #349 of 489 vendors), strong on retatrutide (94% across 33 tests) and ipamorelin (84%), weak on TB-500 (35%), CJC-1295 (36%), tesamorelin (49%) and BPC-157 (57%).
FlagThe Chromate tesamorelin batch we checked averages 9.47 mg on a 10 mg label, 94.7%, just under our 95% under-fill line; Finnrick's tesamorelin rating for this vendor is 49%.
FlagAccount wall with research-position and institution fields
packs only, so the smallest order of any compound is two vials; no refunds after shipment, damage claims within 48 hours with photos.
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Could not verify — not on the record either way
Could not verifyAn independent review record
Trustpilot has removed the peptide.partners profile ('goes against our guidelines', 24 Oct 2026). We found no other review platform with a meaningful record.
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Could not verifyThe Kovera and BioRegen certificates at the laboratory
the Kovera report number is embedded in a subset font we could only partly read, and BioRegen's public page for the vendor returned an empty page to us. TrustPointe and Chromate, the two most-used labs in the ledger, both checked out.
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Could not verifyWhat the storefront shows a signed-in buyer
we did not create an account. Prices come from the site's public Store API, which lists every pack size and price.
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Could not verifyWhether 8350 Bee Ridge Rd #379 is premises
the vendor calls it a mailing address and the box number suggests a mail suite.
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Could not verifyThe source of 'Independent analysis ranks Peptide Partners #1 for overall peptide quality' on the account page: no analysis is named.
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Pirsek Technologies LLC (terms, SMS section; Wyoming governing law) · 8350 Bee Ridge Rd #379, Sarasota, FL 34241, described by the vendor as a business mailing address (contact page, 24 Oct 2026). source
Five vials measured; purity 99.838–99.904%. The vendor's ledger copy links the signed report on trustpointelims.com, which served it with client 'Peptide Partners' on 24 Oct 2026. The same batch carries a second Chromate purity report ('double validated').
Other certificates we opened at Peptide Partners: 1
2 verifiable at the lab2 state measured massmedian purity 99.58%median fill 97.4% of labellast read 2026-10-24
Each row is a certificate we opened and read ourselves; "verify at the lab" goes to the laboratory's own lookup, never a copy we host. Full COA library →
Where Peptide Partners ranks by compound
Peptide Partners appears in 21 of our compound rankings. Each ranking orders every scored vendor that sells the compound by rubric score, then verified price per mg.
2026-10-247/10 — first assessment (rubric v2), read through the public certificate ledger and Store API behind an account wall: TrustPointe and Chromate certificates confirmed at the labs with measured net content (24.0 mg avg on 24 mg; 9.47 mg avg on 10 mg); Pirsek Technologies LLC named with a Sarasota mailing address; not awarded: ungated (account wall), review-base (Trustpilot profile removed), clean-record (card processing down with Zelle offered instead; unattributed '#1' quality claim)
Purgo Labs: the caveat
Smaller independent review base than several competitors (101 reviews). The catalog is peptide-focused, so researchers also working with SARMs or broader research chemicals will need a second supplier.
Peptide Partners: the caveat
Trustpilot has removed the peptide.partners profile ('goes against our guidelines', read 24 Oct 2026), so there is no independent review base to read. Card processing was 'undergoing maintenance' on 24 Oct with Zelle offered instead, and the account page says 'Independent analysis ranks Peptide Partners #1 for overall peptide quality' without naming the analysis; Finnrick's public record for the same vendor (read 24 Oct) is 77 passes in 105 classifiable tests, 67%, #349 of 489, strong on retatrutide (94% across 33 tests) and weak on TB-500 (35%), CJC-1295 (36%), tesamorelin (49%) and BPC-157 (57%). The vendor's own certificates are good; independent buys are more mixed. Account wall, packs only, no refunds after shipment. The Sarasota address carries a box number and is described by the vendor as a mailing address.
07
Where the evidence points
Where the evidence points
Purgo Labs 10/10
We earn nothing from Peptide Partners. Purgo Labs holds every rubric point — certificates checkable at the lab, measured net content per lot — and is cheaper after codes on 10 of 12 like-for-like vials.
Purgo Labs, on the evidence: 10/10 rubric points against 7/10. Peptide Partners is stronger on 3 points listed below. Every point is a fact you can check on either vendor's site; both are scored by the same published rubric.
Is Peptide Partners legit?
Peptide Partners scores 7/10 on our rubric, has no independent record (its Trustpilot profile has been removed), and names its lab (TrustPointe Analytics, Chromate, Kovera Labs, BioRegen (certificate ledger)). Caveat: Trustpilot has removed the peptide.partners profile ('goes against our guidelines', read 24 Oct 2026), so there is no independent review base to read. Card processing was 'undergoing maintenance' on 24 Oct with Zelle offered instead, and the account page says 'Independent analysis ranks Peptide Partners #1 for overall peptide quality' without naming the analysis; Finnrick's public record for the same vendor (read 24 Oct) is 77 passes in 105 classifiable tests, 67%, #349 of 489, strong on retatrutide (94% across 33 tests) and weak on TB-500 (35%), CJC-1295 (36%), tesamorelin (49%) and BPC-157 (57%). The vendor's own certificates are good; independent buys are more mixed. Account wall, packs only, no refunds after shipment. The Sarasota address carries a box number and is described by the vendor as a mailing address.
Which is cheaper, Purgo Labs or Peptide Partners?
On the 12 compound-and-size rows where we have dated prices from both, Peptide Partners lists lower on 3 and Purgo Labs on 9. Purgo's list prices drop 20% with code HEALTH.
Do you earn money from either vendor?
Purgo Labs is our affiliate partner and we earn a commission on referred orders; we earn nothing from Peptide Partners. Scores come from the rubric, which has no partnership input, and the ordering rule on our scoreboard is disclosed.
