Operating identity
The privacy policy identifies Horizon Analytical LLC, a Delaware LLC, at 16194 W 45th Dr, Suite 108, Golden, Colorado. No founder, owner, or executive is publicly named; a report signer should not be inferred to be the owner.
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Testing laboratory · Reviewed 2026-09-03
Horizon Analytical LLC review
Horizon Analytical LLC · United States
- Operational read
- Operating service; partner-lab dependence disclosed
- Operating history
- Founding date not confirmed
- Accreditation
- No accreditation claimed or confirmed
Legitimacy review
Is Horizon Analytical LLC legit?
Horizon is an observable analytical-testing business with unusually clear policy language, but independence and performing-lab attribution require report-by-report review. No accreditation was found.
Operating history and strongest evidence
Named LLC and address, transparent service and outsourcing policy, public prices, exact report API, and sample workflow.
Accreditation scope
The company explicitly avoids ISO, GLP, and CLIA claims without entity-, site-, and scope-specific proof. No accreditation certificate was located.
Methods and intake
Horizon publishes purity, identity, quantity, endotoxin, heavy-metals, and full-panel prices with typical 48-to-96-hour turnaround. Its policy says SD PharmLabs currently performs sterility and some heavy-metals work may be outsourced.
Public service record
PeptideCritic alleges Aspire Labs involvement and partner-laboratory dependence while in-house capacity was built. That is attributed secondary reporting, not an established issuer fact.
Important limits
Ownership, company age, in-house capacity, and the performing lab for each panel require clearer disclosure. Outsourcing is not inherently improper; the analytical performer and scope should simply be explicit on each report.
COA verification
Can I check a Horizon Analytical LLC COA?
Submit the printed report number to the official verifier and use the printed lot number when disambiguation is needed.
- Official destination
- Portal search with a returned official record or PDF
- What you need
- Report number + Lot number
- Exact-link rule
- Use only the exact official record or PDF URL returned by Horizon. Do not invent public-record tokens or expose opaque record keys.
- Stored identifiers complete?
- No
- Record-specific links?
- No
- Identifier copyable?
- No
Identifiers on the certificate
- Report numberThe report-number field on the issued certificate.
- Lot numberThe sample or lot field on the certificate; optional in the portal but needed for ambiguous results.
Result handling
How each verification state is reported
Exact match
Require the same report/lot result plus matching client, compound, and analysis date before issuer verification.
No match
An explicit official no-record response is unresolved evidence, not proof that the certificate is invalid.
Conflict
Quarantine the record when the identifier resolves to materially different issuer metadata; do not promote it.
Portal unavailable
Treat a CAPTCHA, login, timeout, outage, private record, or other portal failure as unknown.
Unsupported lab
Retain the certificate as document-only evidence and use the issuer contact route without claiming verification.
Unresolved
Keep the record unresolved until an exact issuer result or documented issuer confirmation is available.
Certificate structure
Multi-page and multi-panel reports
Multi-page
Preserve all pages; 41 of 44 retained certificates are multi-page and the largest has 16 pages.
Multi-panel
Preserve every returned panel and PDF separately. Forty-three records contain multiple testing panels.
Evidence boundaries
What the record does—and does not—connect
- Certificate identity
- The retained file, fingerprint, and printed fields identify the certificate artifact.
- Issuer verification
- An exact issuer lookup confirms an issuer record for that certificate; it does not expand the reported scope.
- Tested sample
- The findings apply only to the sample described on the certificate.
- Product matching
- The seller product, strength, and lot must be matched to the tested sample separately.
- Physical-vial custody
- Neither the certificate nor its portal proves custody of the physical vial a buyer receives.
Review receipts
Records and discrepancies checked
Representative records
- coa:19c48ed19fd57d354d1c06abChameleon Tesamorelin lot B004; exact Horizon records were found, including separate official panel records.
- coa:fff3abf25a234ffb975e3eeeTrue Research Labs lot TRL-2715732; retained as non-public because the certificate says GLP-3-RT while the issuer result says Tirzepatide.
Concrete discrepancies
- The current read model stores no public report-number identifier for any of the 44 Horizon certificates, although the official form requires it.
- Only two retained Horizon records carry exact returned API record URLs; most displayed links resolve to the generic verification page.
- Certificate coa:fff3abf25a234ffb975e3eee is correctly withheld for a compound conflict and must not be promoted automatically.
Public search record
What current search results cover
The official verifier and compliance policy are the strongest current sources. Independent search coverage is limited; third-party lab profiles are commentary, not issuer evidence.
Sources
Evidence used for this review
- Horizon Analytical COA verifierofficial_portal
- Horizon Analytical compliance and testing policyofficial
- Watchtower Peptides Horizon Analytical profilesecondary_commentary
- Horizon compliance policyofficial
- Horizon servicesofficial_method
Reusable integration rule: Store report number and optional lot separately, compare material issuer fields, and retain every panel-specific official result.
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