Disclosure: Purgo Labs is our affiliate partner; we earn nothing from Kylo Peptides. 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 contradictions among its own claims — No contradictions found across site claims (checked Aug 2026)
A COA table of 30 lot certificates from four laboratories (Freedom Diagnostics, Janoshik Analytical, Vanguard Laboratory, Optiq Health Labs), each row linking to the lab's own copy as well as the vendor's.
Freedom Diagnostics reports served from the lab's server, client 'KYLO Research Labs LLC', received 17 Aug and reported 22 Aug 2026: Retatrutide 10mg lot SD-260728-1 at 11.28 mg and 99.87%; GHK-Cu 50mg at 49.39 mg and 99.94%. The vendor's hosted copy of the BPC-157 report matches the lab's exactly.
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
KyloFour laboratories named per lot on /coa/: Freedom Diagnostics, Janoshik Analytical, Vanguard Laboratory, Optiq Health Labs (read signed in, 24 Oct 2026)
Four laboratories named per lot on /coa/: Freedom Diagnostics, Janoshik Analytical, Vanguard Laboratory, Optiq Health Labs (read signed in, 24 Oct 2026)
Lab-hosted COAs
PurgoVerify-at-lab links to sterigenixanalytical.com / freedomdiagnosticstesting.com
Verify-at-lab links to sterigenixanalytical.com / freedomdiagnosticstesting.com
KyloFreedom Diagnostics reports KYLO2608170152–56 served from coas.freedomdiagnosticstesting.com with client 'KYLO Research Labs LLC'; the vendor's copy of KYLO2608170153 matches the lab's figure for figure (24 Oct 2026). Janoshik and Vanguard rows link to verify.janoshik.com and verifiedbyvanguard.com
Freedom Diagnostics reports KYLO2608170152–56 served from coas.freedomdiagnosticstesting.com with client 'KYLO Research Labs LLC'; the vendor's copy of KYLO2608170153 matches the lab's figure for figure (24 Oct 2026). Janoshik and Vanguard rows link to verify.janoshik.com and verifiedbyvanguard.com
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
Kylo30 certificates on /coa/, each with a lot or lab ID (e.g. SD-260728-1, V260814-13 001, 0541.OPT.260803) and a 'matched to the lot ID printed on the vial' statement
30 certificates on /coa/, each with a lot or lab ID (e.g. SD-260728-1, V260814-13 001, 0541.OPT.260803) and a 'matched to the lot ID printed on the vial' statement
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)
KyloFreedom reports state net content per vial: Retatrutide 11.28 mg on 10 mg, GHK-Cu 49.39 mg on 50 mg, BPC-157 8.82 mg on 10 mg, CJC/Ipamorelin 4.07 + 4.13 mg on 5 + 5 mg
Freedom reports state net content per vial: Retatrutide 11.28 mg on 10 mg, GHK-Cu 49.39 mg on 50 mg, BPC-157 8.82 mg on 10 mg, CJC/Ipamorelin 4.07 + 4.13 mg on 5 + 5 mg
Ungated
PurgoCOAs on product pages without login
COAs on product pages without login
KyloNot 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)
KyloNot awarded
Consistent claims
PurgoNo contradictions found across site claims (checked Aug 2026)
No contradictions found across site claims (checked Aug 2026)
KyloNot awarded
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)
KyloEvery listing states the vial size with a price, read from the public Store API on 24 Oct 2026 (BPC-157 5mg $34.95 / 10mg $59.95; TB-500 10mg $69.95; Retatrutide 10mg $89.95; NAD+ 1000mg $159.95)
Every listing states the vial size with a price, read from the public Store API on 24 Oct 2026 (BPC-157 5mg $34.95 / 10mg $59.95; TB-500 10mg $69.95; Retatrutide 10mg $89.95; NAD+ 1000mg $159.95)
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)
KyloKylo Labs LLC, 30 N Gould St, Ste R, Sheridan, WY 82801 — site footer and contact block (24 Oct 2026); a Wyoming registered-agent address, disclosed
Kylo Labs LLC, 30 N Gould St, Ste R, Sheridan, WY 82801 — site footer and contact block (24 Oct 2026); a Wyoming registered-agent address, disclosed
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)
KyloNo on-site review score or badge found; no regulator action found (24 Oct 2026); payment rails not examined
No on-site review score or badge found; 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 Kylo Peptides
Read 24 October 2026 on the vendor's own pages
The paperwork chain is real and checkable: lab-hosted Freedom reports with net content, four named labs, a named LLC. What those reports show is mixed, with retatrutide over label and BPC-157 at 88%, and the vendor's own table leaves the net-content column out. Add an accreditation claim the lab does not make, four reviews and high prices: seven of ten.
Evidence ledger · read 24 October 2026
5 verified2 contradictions4 flags4 could not verify
Verified — what we opened, with the date
VerifiedA COA table of 30 lot certificates from four laboratories
(Freedom Diagnostics, Janoshik Analytical, Vanguard Laboratory, Optiq Health Labs), each row linking to the lab's own copy as well as the vendor's.
VerifiedFreedom Diagnostics reports served from the lab's server, client 'KYLO Research Labs LLC', received 17 Aug and reported 22 Aug 2026: Retatrutide 10mg lot SD-260728-1 at 11.28 mg and 99.87%; GHK-Cu 50mg at 49.39 mg and 99.94%. The vendor's hosted copy of the BPC-157 report matches the lab's exactly.
VerifiedProduct pages show the current certificate inline
the retatrutide page shows a Vanguard Laboratory report (V260814-13 001, 20 Aug 2026) with 10.06 mg on a 10 mg label and >99.80% purity; Vanguard holds A2LA accreditation.
Contradiction — the vendor's claims disagree with each other or with the evidence
ContradictionThe press releases and the vendor's own Trustpilot description call Freedom Diagnostics an 'ISO/IEC 17025-accredited laboratory', and the quality page says methods are verified per ISO/IEC 17025:2017. Freedom's own site claims only ISO 9001 and GLP 'principles'.
(88% of label) and the CJC/Ipamorelin 5+5 blend about 82%, on the lab's own copies. The vendor's COA table lists purity for these lots and omits net content.
(Sep 2026) reports a reaction to the BPC-157 and an unreachable phone line; the vendor replied publicly, saying it had answered by email and chat. Recorded as a reviewer report.
FlagCatalog and checkout behind an emailed login code
a $497 'lifetime membership' product is listed.
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Could not verify — not on the record either way
Could not verifyA meaningful review record
four Trustpilot reviews (3.6), profile claimed July 2026. Finnrick has no test history for the vendor.
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Could not verifyThe Janoshik and Vanguard copies at the labs
the links point to verify.janoshik.com and verifiedbyvanguard.com, but neither page returned content to us on 24 Oct 2026. The Freedom copies all resolved.
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Could not verifyPayment rails
not examined.
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Could not verifyWhether Kylo and Koi Peptides share an operator
both print 30 N Gould St, Ste R, Sheridan (a registered-agent address used by many companies), and Kylo's site icon file is named 'koi-favicon'. That is a pointer, not proof.
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Kylo Labs LLC, 30 N Gould St, Ste R, Sheridan, WY 82801 (footer, 24 Oct 2026). The laboratory reports name 'KYLO Research Labs LLC' and the press releases 'Kylo Lab LLC'. The address is a Wyoming registered-agent suite. source
Client 'KYLO Research Labs LLC'. One vial measured; 88% of label. The vendor's /coa/ table shows the purity but not the net content. Vendor copy identical to the lab's.
Other certificates we opened at Kylo Peptides: 1
2 verifiable at the lab2 state measured massmedian purity 99.84%median fill 100.5% 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 Kylo Peptides ranks by compound
Kylo Peptides appears in 13 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 a signed-in account: Freedom Diagnostics reports confirmed on the lab's server with net content (BPC-157 8.82 mg on 10 mg, under-filled; retatrutide 11.28 mg on 10 mg); Kylo Labs LLC with a Sheridan registered-agent address; not awarded: ungated (email-code login), review-base (4 Trustpilot reviews), claims-consistent ('ISO/IEC 17025-accredited' Freedom Diagnostics — the lab claims no such accreditation)
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.
Kylo Peptides: the caveat
Two of the four Freedom reports we opened show under-filled vials: BPC-157 at 8.82 mg on a 10 mg label (88%) and the CJC/Ipamorelin 5+5 blend at about 82%; Kylo's COA table lists purity for those lots but not net content. The press releases and the vendor's Trustpilot description call Freedom Diagnostics 'ISO/IEC 17025-accredited'; Freedom does not claim that accreditation (Vanguard, also on the table, does hold A2LA accreditation). Four Trustpilot reviews at 3.6, one of them a one-star report of a reaction and an unreachable phone line, which the vendor answered. Catalog and checkout sit behind an email-code login. The Sheridan suite is a registered-agent address, and Koi Peptides (Koi Research Labs LLC) prints the same one; Kylo's own site icon file is named 'koi-favicon', so the two brands may share an operator. Prices sit well above market on several compounds (Ipamorelin 10mg $109.95, NAD+ 1000mg $159.95).
07
Where the evidence points
Where the evidence points
Purgo Labs 10/10
We earn nothing from Kylo Peptides. Purgo Labs holds every rubric point — certificates checkable at the lab, measured net content per lot — and is cheaper after codes on 18 of 18 like-for-like vials.
Purgo Labs, on the evidence: 10/10 rubric points against 7/10. Kylo Peptides 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 Kylo Peptides legit?
Kylo Peptides scores 7/10 on our rubric, has an independently viewable rating of 3.6 (4 reviews), and names its lab (Freedom Diagnostics, Janoshik Analytical, Vanguard Laboratory, Optiq Health Labs (COA table)). Caveat: Two of the four Freedom reports we opened show under-filled vials: BPC-157 at 8.82 mg on a 10 mg label (88%) and the CJC/Ipamorelin 5+5 blend at about 82%; Kylo's COA table lists purity for those lots but not net content. The press releases and the vendor's Trustpilot description call Freedom Diagnostics 'ISO/IEC 17025-accredited'; Freedom does not claim that accreditation (Vanguard, also on the table, does hold A2LA accreditation). Four Trustpilot reviews at 3.6, one of them a one-star report of a reaction and an unreachable phone line, which the vendor answered. Catalog and checkout sit behind an email-code login. The Sheridan suite is a registered-agent address, and Koi Peptides (Koi Research Labs LLC) prints the same one; Kylo's own site icon file is named 'koi-favicon', so the two brands may share an operator. Prices sit well above market on several compounds (Ipamorelin 10mg $109.95, NAD+ 1000mg $159.95).
Which is cheaper, Purgo Labs or Kylo Peptides?
On the 18 compound-and-size rows where we have dated prices from both, Kylo Peptides lists lower on 0 and Purgo Labs on 18. 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 Kylo Peptides. Scores come from the rubric, which has no partnership input, and the ordering rule on our scoreboard is disclosed.
