Disclosure: Purgo Labs is our affiliate partner; we earn nothing from Oros Research. Scores come from the public rubric, which has no partnership input.
01
Where each vendor is stronger
Computed from the rubric, prices and review record — never curated
Purgo Labs
Certificates verifiable at the lab, not just the vendor — Verify-at-lab links to sterigenixanalytical.com / freedomdiagnosticstesting.com
Publishes a legal entity and street address — PurgoLabs LLC (Arizona) · 10105 E Via Linda St Bld 103, Scottsdale, AZ — on-site (6 Sep 2026)
Lower list price on 1 of 6 like-for-like rows we have on record (see table).
A 233-record public COA library across 76 products, and every product page names its current lot. The BPC-157 10mg record for lot OR-LPBPC10-626-B6 (Ethos Analytics Laboratory, Phoenix, AZ; completed 12 Jun 2026) reports 10.06mg/vial against a 10mg specification, identity by retention-time concordance, purity >99%, endotoxin <1.25 EU/ml, and residual-solvent, heavy-metal and microbial panels.
The site's ISO/IEC 17025 claim is the first we have seen with the paperwork attached: the COA page links Ethos Analytics' Perry Johnson Laboratory Accreditation certificate (L26-225) and its scope supplement. Other vendors assert accreditation; this one publishes it.
02
The 10 criteria, side by side
10/10 vs 8/10 · one point each, no weighting
Named lab
PurgoSteriGenix and Freedom Diagnostics named per lot
SteriGenix and Freedom Diagnostics named per lot
OrosEthos Analytics Laboratory (Phoenix, AZ) on the BPC-157 10mg record, lot OR-LPBPC10-626-B6, completed 12 Jun 2026 — read 29 Sep 2026
Ethos Analytics Laboratory (Phoenix, AZ) on the BPC-157 10mg record, lot OR-LPBPC10-626-B6, completed 12 Jun 2026 — read 29 Sep 2026
Lab-hosted COAs
PurgoVerify-at-lab links to sterigenixanalytical.com / freedomdiagnosticstesting.com
Verify-at-lab links to sterigenixanalytical.com / freedomdiagnosticstesting.com
OrosNot awarded
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
Oros233-record public COA library across 76 products; each product page names its current lot (BPC-157 10mg: 4 lots on file, 5mg: 6 lots)
233-record public COA library across 76 products; each product page names its current lot (BPC-157 10mg: 4 lots on file, 5mg: 6 lots)
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)
OrosRecord reports 10.06mg/vial against a 10mg specification; identity confirmed; purity printed as >99%
Record reports 10.06mg/vial against a 10mg specification; identity confirmed; purity printed as >99%
Ungated
PurgoCOAs on product pages without login
COAs on product pages without login
OrosCOA library, catalog and prices viewable without an account (29 Sep 2026)
COA library, catalog and prices viewable without an account (29 Sep 2026)
Review base
Purgo4.7 / 95 on Trustpilot (re-read 29 Sept 2026; was 4.7 / 88 on 18 Sept)
4.7 / 95 on Trustpilot (re-read 29 Sept 2026; was 4.7 / 88 on 18 Sept)
Oros4.8 / 475 on Trustpilot, claimed July 2025 (read 29 Sep 2026)
4.8 / 475 on Trustpilot, claimed July 2025 (read 29 Sep 2026)
Consistent claims
PurgoNo contradictions found across site claims (checked Aug 2026)
No contradictions found across site claims (checked Aug 2026)
OrosThe 'ISO/IEC 17025-accredited laboratory' claim is backed by a published Perry Johnson Laboratory Accreditation certificate for Ethos Analytics (L26-225, with scope) — the certifying body and certificate number that Rivn, Ameano, Idun and Nova did not publish; '≥98% purity guaranteed' sits consistently under the '>99%' printed per lot (29 Sep 2026)
The 'ISO/IEC 17025-accredited laboratory' claim is backed by a published Perry Johnson Laboratory Accreditation certificate for Ethos Analytics (L26-225, with scope) — the certifying body and certificate number that Rivn, Ameano, Idun and Nova did not publish; '≥98% purity guaranteed' sits consistently under the '>99%' printed per lot (29 Sep 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)
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)
OrosNot awarded
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)
OrosNo on-site review badge beyond a Trustpilot link matching the live profile; card checkout (Shopify); no regulator action found (checked 29 Sep 2026)
No on-site review badge beyond a Trustpilot link matching the live profile; card checkout (Shopify); no regulator action found (checked 29 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 Oros Research
Read 29 September 2026 on the vendor's own pages
Oros does the paperwork better than most: a big open COA library, measured content on every record, and — uniquely so far — the accreditation certificate for its lab published rather than asserted. It loses the two points that depend on other people: the lab has no lookup, and the company prints a city but no address. 8/10, with a 475-review Trustpilot profile behind it.
Checks out
✓A 233-record public COA library across 76 products, and every product page names its current lot. The BPC-157 10mg record for lot OR-LPBPC10-626-B6 (Ethos Analytics Laboratory, Phoenix, AZ; completed 12 Jun 2026) reports 10.06mg/vial against a 10mg specification, identity by retention-time concordance, purity >99%, endotoxin <1.25 EU/ml, and residual-solvent, heavy-metal and microbial panels. source
✓The site's ISO/IEC 17025 claim is the first we have seen with the paperwork attached: the COA page links Ethos Analytics' Perry Johnson Laboratory Accreditation certificate (L26-225) and its scope supplement. Other vendors assert accreditation; this one publishes it. source
✓Open Shopify catalog with sized prices and no gate: BPC-157 5mg $29.99, 10mg $59.99 (out of stock when read); TB-500 5mg $29.99, 10mg $59.99; NAD+ 500mg $69.99; GHK-Cu 50mg $34.99, 100mg $69.99; MOTS-c 10mg $39.99. Free 2-day shipping over $150, 20% off orders over $250 — displayed on the site, not a code. source
✓Trustpilot 4.8 across 475 reviews on a profile claimed in July 2025 (29 Sep 2026). Legal entity in the terms of service: OROS, Inc. source
Could not verify · flags
?The certificate at the lab — Ethos Analytics has no public lookup portal; the report is served from the vendor's own storage bucket.
?A measured purity figure — the record prints '>99%' against a '>99%' specification rather than a number; net content is the measured figure.
?A street address — 'headquartered in Cary, North Carolina' on the about page, formulation 'in California' on the homepage, a phone number on the contact page, and no address on any policy page.
!All sales final — the terms permit no cancellations, returns, exchanges or refunds 'under any circumstance'.
!Reports are vendor-hosted; the lab offers no lookup. The same limitation as every Ethos Analytics client we cover.
!Heavy on blends (AEGIS, GLOW, KLOW, AURA, RENU) and topicals; no GLP-1 class products.
OROS, Inc. — terms of service. 'Headquartered in Cary, North Carolina'; +1 (910) 250-8786 — no street address published (29 Sep 2026).
No lab-side lookup for this reportWhere we opened it Transcribed by Compound Review; the laboratory's report is the record.
Purity printed as '>99%'. Residual-solvent, heavy-metal, microbial and endotoxin panels. The lab's PJLA ISO/IEC 17025 certificate (L26-225) is published alongside the library.
Where Oros Research ranks by compound
Oros Research appears in 5 of our compound rankings, top-3 in 2. Each ranking orders every scored vendor that sells the compound by rubric score, then verified price per mg.
2026-09-298/10 — first assessment (rubric v2); not awarded: lab-hosted (Ethos Analytics has no public lookup), identity (OROS, Inc. named, city only) — first vendor to publish its lab's accreditation certificate
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.
Oros Research: the caveat
Ethos Analytics has no public lookup portal, so certificates can be downloaded from the vendor (a Supabase bucket) but not checked at the lab. Purity is printed as '>99%', not a measured figure. No street address anywhere — 'headquartered in Cary, North Carolina' and a phone number, with formulation described as California. All sales final, no exceptions. BPC-157 10mg was out of stock when read (29 Sep 2026). No GLP-1 class products in the catalog.
07
Where the evidence points
Where the evidence points
Purgo Labs 10/10
We earn nothing from Oros Research. Purgo Labs holds every rubric point — certificates checkable at the lab, measured net content per lot — and is cheaper after codes on 5 of 6 like-for-like vials.
Purgo Labs, on the evidence: 10/10 rubric points against 8/10. Oros Research is stronger on 5 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 Oros Research legit?
Oros Research scores 8/10 on our rubric, has an independently viewable rating of 4.8 (475 reviews), and names its lab (Ethos Analytics). Caveat: Ethos Analytics has no public lookup portal, so certificates can be downloaded from the vendor (a Supabase bucket) but not checked at the lab. Purity is printed as '>99%', not a measured figure. No street address anywhere — 'headquartered in Cary, North Carolina' and a phone number, with formulation described as California. All sales final, no exceptions. BPC-157 10mg was out of stock when read (29 Sep 2026). No GLP-1 class products in the catalog.
Which is cheaper, Purgo Labs or Oros Research?
On the 6 compound-and-size rows where we have dated prices from both, Oros Research lists lower on 1 and Purgo Labs on 5. 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 Oros Research. Scores come from the rubric, which has no partnership input, and the ordering rule on our scoreboard is disclosed.