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Head-to-head · same rubric · verified 29 September 2026

Purgo Labs vs Kimera Chems

Verdict: Purgo Labs, on the evidence: 10/10 rubric points against 6/10. Kimera Chems is stronger on 2 points listed below.

Our pick · partner

Purgo Labs

4.7 (88 reviews)

Lab: SteriGenix

Non-partner

Kimera Chems

3.8 (15 reviews)

Lab: Freedom Diagnostics

Purgo
ahead on the rubric: 0/0
vials Purgo cheaper at list: 0/0
vials Purgo cheaper after codes: 2
points Kimera Chems is stronger on

We earn nothing from Kimera Chems.Top-scored partner: Purgo Labs 10/1020% off every order with

Visit Purgo Labs

Disclosure: Purgo Labs is our affiliate partner; we earn nothing from Kimera Chems. Scores come from the public rubric, which has no partnership input.

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 / 88 on Trustpilot (re-read 18 Sept 2026; was 4.7 / 80 on Trustpilot)
Vial sizes stated with prices — Product pages state vial size with price (e.g. BPC-157 10mg at $44.99; 24 dated size+price readings on record)
Publishes a legal entity and street address — PurgoLabs LLC (Arizona) · 10105 E Via Linda St Bld 103, Scottsdale, AZ — on-site (6 Sep 2026)
Larger independent review base: 4.7 (88 reviews) vs 3.8 (15 reviews).

Kimera Chems

A public COA database of 302 batch pages, A–Z by compound, no account needed; each batch page links every report on file for that lot (BPC-157 has six lots: KC-BPC-GRN1, PUR1, PUR2, PUR3, WHT1 and more).
The BPC-157 5mg certificate for lot KC-BPC-PUR2 (Freedom Diagnostics, Accession 2511280036, Search Code Kime2511280036, received 28 Nov, reported 1 Dec 2025) prints Net Peptide Content 5.76mg against the 5mg label, purity 99.675% by HPLC-UV, LC-MS identity ([M+2H]2+ 710.28), and a photograph of the labelled vial.

The 10 criteria, side by side

10/10 vs 6/10 · one point each, no weighting

Named lab

Purgo

SteriGenix and Freedom Diagnostics named per lot

Kimera

Freedom Diagnostics printed on the BPC-157 5mg certificate for lot KC-BPC-PUR2 (reported 1 Dec 2025) — read 29 Sep 2026

Lab-hosted COAs

Purgo

Verify-at-lab links to sterigenixanalytical.com / freedomdiagnosticstesting.com

Kimera

Certificate prints Accession 2511280036 / Search Code Kime2511280036; the lab's lookup at freedomdiagnosticstesting.com returned 'Document found' when we ran it on 29 Sep 2026

Per-lot COAs

Purgo

Lot numbers (e.g. PL-BPC-05) with test dates per batch

Kimera

Public COA database of 302 batch pages keyed by lot (six BPC-157 lots: KC-BPC-GRN1, PUR1, PUR2, PUR3, WHT1 …), each with its reports

Net content

Purgo

Measured net peptide published per lot (e.g. BPC-157 lot PL-BPC-05: 11.16mg vs 10mg label)

Kimera

Certificate reports Net Peptide Content 5.76mg vs 5mg label, purity 99.675% by HPLC-UV, LC-MS identity, with a photo of the labelled vial

Ungated

Purgo

COAs on product pages without login

KimeraNot awarded

Review base

Purgo

4.7 / 88 on Trustpilot (re-read 18 Sept 2026; was 4.7 / 80 on Trustpilot)

KimeraNot awarded

Consistent claims

Purgo

No contradictions found across site claims (checked Aug 2026)

Kimera

Testing claims on the COA page, about page and product category pages agree with the certificates (29 Sep 2026)

Sized pricing

Purgo

Product pages state vial size with price (e.g. BPC-157 10mg at $44.99; 24 dated size+price readings on record)

KimeraNot awarded

Entity + address

Purgo

PurgoLabs LLC (Arizona) · 10105 E Via Linda St Bld 103, Scottsdale, AZ — on-site (6 Sep 2026)

KimeraNot awarded

Clean record

Purgo

No on-site review badge contradicting the independent record; card payment accepted; no regulator action found (checked 6 Sep 2026)

Kimera

No on-site review badge; Trustpilot profile claimed with vendor replies; no regulator action found (checked 29 Sep 2026)

Like-for-like prices

price history across vendors

No compound-and-size pair with dated prices from both vendors yet. Each vendor's readings are on the price index.

What we found at Kimera Chems

Read 29 September 2026 on the vendor's own pages

Kimera Chems publishes the most complete certificate record in this batch — a lab, a lot, a search code the lab confirms, measured content against the label and a photo of the vial — and then hides the price list behind an application. That is a defensible choice for a research supplier and a bad one on a rubric built around what a buyer can check before paying: 6/10, with the four missing points all about access and the company, not the vial.

Checks out

✓A public COA database of 302 batch pages, A–Z by compound, no account needed; each batch page links every report on file for that lot (BPC-157 has six lots: KC-BPC-GRN1, PUR1, PUR2, PUR3, WHT1 and more). source
✓The BPC-157 5mg certificate for lot KC-BPC-PUR2 (Freedom Diagnostics, Accession 2511280036, Search Code Kime2511280036, received 28 Nov, reported 1 Dec 2025) prints Net Peptide Content 5.76mg against the 5mg label, purity 99.675% by HPLC-UV, LC-MS identity ([M+2H]2+ 710.28), and a photograph of the labelled vial. source
✓We ran the search code on the lab's own lookup page on 29 Sep 2026 and it returned 'Document found'. source
✓Legal entity printed on every page: Kimera Chems LLC. Trustpilot profile claimed (March 2026), with the vendor replying to criticism in detail. source

Could not verify · flags

?A single price — the catalog is account-gated ('every account is reviewed by a person'); product URLs redirect to research-library articles logged out, and the category pages list names without prices (29 Sep 2026).
?A street address — about, contact and terms print the LLC name and help@kimerachems.co only.
?An independent review base — 15 Trustpilot reviews, 3.8, well short of 50.
!Catalog and prices behind an account application; certificates are fully public.
!Sells SARMs and other 'selective modulators' and nootropics alongside peptides; a December 2025 Reddit thread says Kimera confirmed it would stop offering GLP-class products.
!kimerachems.com redirects to kimerachems.co — the .co is the vendor.

Kimera Chems LLC — footer and terms on every page (29 Sep 2026). No street address, no phone; email only.

Certificates we opened at Kimera Chems

COA library

Certificate of analysis · as we read it

Freedom Diagnostics

Vendor-hosted document · HPLC-UV + LC-MS

Read 29 Sept 2026

Product

BPC-157 · 5mg label

Lot / batch

KC-BPC-PUR2

Report ID

Search Code Kime2511280036 (accession 2511280036)

Test date

1 Dec 2025

Purity

99.675%

Measured

5.76mg

Net content vs label115.2% of 5mg

0label 5mg130%

One vial measured — over-fill beyond 115% is flagged, not rewarded.

Over label (>115%)

Verify at the lab Where we opened it Transcribed by Compound Review; the laboratory's report is the record.

Lab lookup run 29 Sep 2026: 'Document found'. Photo of the labelled vial on the certificate; a second ('TP') report is linked on the same batch page.

Score history and the caveats

A score only moves when the evidence does

2026-09-296/10 — first assessment (rubric v2); not awarded: ungated, review-base, sized-pricing, identity — certificates fully public and confirmed at the lab, catalog and prices behind an account application, no street address

Purgo Labs: the caveat

Smaller independent review base than several competitors (80 reviews). The catalog is peptide-focused, so researchers also working with SARMs or broader research chemicals will need a second supplier.

Kimera Chems: the caveat

The catalog is account-gated — product pages redirect to research-library articles and no price is visible logged out, and the vendor says every account application is reviewed by a person — so a buyer cannot compare prices before registering. No street address anywhere (about, contact, terms print the LLC name and an email only). 15 Trustpilot reviews is well short of an independent review base. Sells SARMs and other selective modulators alongside peptides; a Dec 2025 Reddit thread says Kimera confirmed it would stop offering GLP-class products.

Where the evidence points

Purgo Labs 10/10

We earn nothing from Kimera Chems. Purgo Labs holds every rubric point — certificates checkable at the lab, measured net content per lot — with a live, independent review record.

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Affiliate links, disclosed. Purgo Labs is our primary partner; we earn nothing from Kimera Chems. Partnership is not a rubric input.

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Questions readers ask

Is Purgo Labs better than Kimera Chems?

Purgo Labs, on the evidence: 10/10 rubric points against 6/10. Kimera Chems is stronger on 2 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 Kimera Chems legit?

Kimera Chems scores 6/10 on our rubric, has an independently viewable rating of 3.8 (15 reviews), and names its lab (Freedom Diagnostics). Caveat: The catalog is account-gated — product pages redirect to research-library articles and no price is visible logged out, and the vendor says every account application is reviewed by a person — so a buyer cannot compare prices before registering. No street address anywhere (about, contact, terms print the LLC name and an email only). 15 Trustpilot reviews is well short of an independent review base. Sells SARMs and other selective modulators alongside peptides; a Dec 2025 Reddit thread says Kimera confirmed it would stop offering GLP-class products.

Which is cheaper, Purgo Labs or Kimera Chems?

We do not yet have a like-for-like price pair for these two vendors; the Peptide Price Index has each vendor's dated readings.

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 Kimera Chems. Scores come from the rubric, which has no partnership input, and the ordering rule on our scoreboard is disclosed.

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