Disclosure: Purgo Labs is our affiliate partner; we earn nothing from Peptide Pros. 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
Certificates verifiable at the lab, not just the vendor — Verify-at-lab links to sterigenixanalytical.com / freedomdiagnosticstesting.com
Batch-specific COAs matched to lots — Lot numbers (e.g. PL-BPC-05) with test dates per batch
Publishes measured net content vs label — Measured net peptide published per lot (e.g. BPC-157 lot PL-BPC-05: 11.16mg vs 10mg label)
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 5 of 5 like-for-like rows.
Larger independent review base: 4.8 (101 reviews) vs none on record.
Peptide Pros
Open catalog with sized prices and a public COA page, no account needed (24 Oct 2026).
A named testing lab on the certificates: the BPC-157 5mg report (lot AF98762213, 2 May 2022) is from MZ Biolabs, Tucson, AZ, with 100.0% purity by UV and mass confirmed at 1418.71 against 1418.70 expected.
02
The 10 criteria, side by side
10/10 vs 6/10 · one point each, no weighting
Named lab
PurgoSteriGenix and Freedom Diagnostics named per lot
SteriGenix and Freedom Diagnostics named per lot
PeptideMZ Biolabs (Tucson, AZ) printed on the BPC-157 certificate, lot AF98762213 — read 24 Oct 2026
MZ Biolabs (Tucson, AZ) printed on the BPC-157 certificate, lot AF98762213 — 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
PeptideNot 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
PeptideNot awarded
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)
PeptideNot awarded
Ungated
PurgoCOAs on product pages without login
COAs on product pages without login
PeptideCatalog, prices and the COA page readable without an account (24 Oct 2026)
Catalog, prices and the COA page readable without an account (24 Oct 2026)
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)
PeptideShopper Approved 4.9 across 18,024 reviews, of which 1,571 are post-delivery reviews (24 Oct 2026); Trustpilot profile removed
Shopper Approved 4.9 across 18,024 reviews, of which 1,571 are post-delivery reviews (24 Oct 2026); Trustpilot profile removed
Consistent claims
PurgoNo contradictions found across site claims (checked Aug 2026)
No contradictions found across site claims (checked Aug 2026)
PeptideThe '16,000+ five star verified reviews' banner matches the Shopper Approved record (16K+ five-star of 18,024); no accreditation claim made (24 Oct 2026)
The '16,000+ five star verified reviews' banner matches the Shopper Approved record (16K+ five-star of 18,024); no accreditation claim made (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)
PeptideSizes stated with prices on every listing (BPC-157 5mg $47.25; TB-500 2mg $37.25; Ipamorelin 2mg $23.99; NAD+ 500mg $149.95), read from the public Store API on 24 Oct 2026
Sizes stated with prices on every listing (BPC-157 5mg $47.25; TB-500 2mg $37.25; Ipamorelin 2mg $23.99; NAD+ 500mg $149.95), read from the public Store API on 24 Oct 2026
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)
PeptideNot 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)
PeptideNo on-site badge contradicting the independent record (the review banner matches Shopper Approved); no regulator action found (24 Oct 2026); payment rails not examined
No on-site badge contradicting the independent record (the review banner matches Shopper Approved); no regulator action found (24 Oct 2026); payment rails not examined
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 Pros
Read 24 October 2026 on the vendor's own pages
An old, large shop with a big review count on Shopper Approved and an open catalog, but its testing record stopped in 2022: vendor-hosted MZ Biolabs PDFs with purity only, no company name, and a Trustpilot profile that Trustpilot removed. Six of ten.
Evidence ledger · read 24 October 2026
4 verified4 flags4 could not verify
Verified — what we opened, with the date
VerifiedOpen catalog with sized prices and a public COA page, no account needed
the BPC-157 5mg report (lot AF98762213, 2 May 2022) is from MZ Biolabs, Tucson, AZ, with 100.0% purity by UV and mass confirmed at 1418.71 against 1418.70 expected.
Vendor-hosted document · UV + mass spectrometry (identity)
Read 24 Oct 2026
Product
BPC-157 · 5mg label
Lot / batch
AF98762213
Report ID
not printed
Test date
2 May 2022
Purity
100%
Measured
—
This certificate does not state measured net content — purity alone does not tell you how much is in the vial, which is why the rubric scores them separately.
Tested >12 months before we read itNo lab-side verificationNo measured mass on the certificate
No lab-side lookup for this reportWhere we opened it Transcribed by Compound Review; the laboratory's report is the record.
Vendor-hosted PDF; purity only, no net content; MZ Biolabs has no public lookup. Newest certificates on the page are 2021–2022.
Where Peptide Pros ranks by compound
Peptide Pros appears in 15 of our compound rankings. Each ranking orders every scored vendor that sells the compound by rubric score, then verified price per mg.
2026-10-246/10 — first assessment (rubric v2): open catalog, MZ Biolabs named, Shopper Approved 4.9 / 18,024 (1,571 post-delivery); not awarded: lab-hosted, per-lot (newest certificates 2022), net-content (purity only), identity (no company name; Miami Beach mailbox suite). Trustpilot profile removed
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 Pros: the caveat
Trustpilot has removed the peptidepros.net profile ('goes against our guidelines', read 24 Oct 2026). The certificates are three to four years old, vendor-hosted and from a lab with no public lookup, with purity only and no net content, so nothing on the page can be matched to a vial shipping today. No company name is published, and the Miami Beach address carries a mailbox-style suite number. 89% of the Shopper Approved reviews are checkout reviews written before the product arrives. Small vial sizes make the price per milligram high (BPC-157 about $9.45/mg). The catalog also sells SARMs and prescription drugs such as letrozole, tamoxifen, sildenafil and clenbuterol alongside the peptides.
07
Where the evidence points
Where the evidence points
Purgo Labs 10/10
We earn nothing from Peptide Pros. Purgo Labs holds every rubric point — certificates checkable at the lab, measured net content per lot — and is cheaper after codes on 5 of 5 like-for-like vials.
Purgo Labs, on the evidence: 10/10 rubric points against 6/10. Peptide Pros 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 Peptide Pros legit?
Peptide Pros scores 6/10 on our rubric, has no independent record (its Trustpilot profile has been removed), and names its lab (MZ Biolabs (on certificates)). Caveat: Trustpilot has removed the peptidepros.net profile ('goes against our guidelines', read 24 Oct 2026). The certificates are three to four years old, vendor-hosted and from a lab with no public lookup, with purity only and no net content, so nothing on the page can be matched to a vial shipping today. No company name is published, and the Miami Beach address carries a mailbox-style suite number. 89% of the Shopper Approved reviews are checkout reviews written before the product arrives. Small vial sizes make the price per milligram high (BPC-157 about $9.45/mg). The catalog also sells SARMs and prescription drugs such as letrozole, tamoxifen, sildenafil and clenbuterol alongside the peptides.
Which is cheaper, Purgo Labs or Peptide Pros?
On the 5 compound-and-size rows where we have dated prices from both, Peptide Pros lists lower on 0 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 Peptide Pros. Scores come from the rubric, which has no partnership input, and the ordering rule on our scoreboard is disclosed.
