Independent US lab verification, built into checkout
Choose lab verification at checkout and your order ships to a US partner lab near you. One vial of each product is pulled for HPLC + mass spec, then the whole order is forwarded to your door via UPS or FedEx 2-day shipping — with a batch-specific COA. Every result publishes to the product's public quality score.
Testing you can actually trust
Most “verified” peptide listings rely on a COA the vendor chose to show you. Ours work the opposite way — results come straight from an independent lab on orders bought here, so they can't be faked, edited, or cherry-picked.
Lab-direct, never customer-uploaded
We only show results from orders purchased on Peptuvia and shipped directly to the testing facility. The COA comes from the lab to us — customers can't upload their own, so nothing can be forged or doctored.
Suppliers held to ≥99%
Because every verified order ships straight to the lab, the supplier knows it will be tested. Anything that comes back under 99% means a refund or reship on their dime — a powerful incentive to send only their best material.
No cherry-picking — every result shown
We publish all results for each source, passes and failures alike. A vendor can't surface only their best batch; the full history is on the product page.
Batch-specific, not a stock COA
Each result ties to the actual batch that shipped — not a generic certificate from a sample sent months ago for marketing.
Smoother customs, safer final leg
Lab-verified shipping routes through a US analytical facility rather than direct international shipping to a residential address — which tends to reduce customs delays and adds a layer of shipment security, with tracked UPS or FedEx 2-day shipping for the final leg.
Two sources, compared head-to-head
Both sources (Veridian Health and Orchid Cloud) are listed on every product so you can compare price and — as verified results come in — purity per source, and choose for yourself.
A public quality database, built order by order
Every result rolls into each product's public quality score and grade, building an independent peptide quality dataset that grows with every verified order.
Both of our sources are tracked on public independent lab databases — Finnrick and Janoshik — third parties we don't control. The COA count below is their combined published total:
- • Package a vial yourself
- • Find & ship to a lab ($10–15)
- • Wait an extra week
- • One checkbox at checkout
- • Lab tests & forwards to you
- • Zero extra hassle
- • You pay the lab's published rate
- • No added testing fee
- • A discount once we partner
Local warehouse → optional lab → you
Many sources ship from in-region warehouses — in the US, UK, EU, Australia, and Canada — for fast local delivery; others ship direct from the manufacturer. Orders delivered in the US can also route through an independent US testing lab on the way. Cutting out the US retail middleman is why a verified kit costs 10–12× less than the same compound from a domestic shop.
Regional warehouse
Ships from a US, UK, EU, Australia or Canada warehouse — or direct
Fast in-region shipping
Optional US lab
HPLC + mass spec verification
US delivery only
Your door
UPS / FedEx 2-day, tracked
Tested kit + batch COA
Sources ship from their own regional warehouses (US, UK, EU, Australia, Canada) or direct from the manufacturer. Peptuvia is the marketplace, not the manufacturer — and the lab is an optional verification checkpoint you can add to US orders (lab testing is US-only for now).
Our partner lab network
Bookable labs are listed first; the rest update to recommend the closest facility to your shipping state.
Bryan, TX· ~851 mi bioviridians.com
CONFIRMED PARTNER & DEFAULT LAB. Accepts recurring mail-in lyophilized samples and individual customer orders; after analysis forwards the remaining product to the customer (or coordinates alternative shipping). $150/sample for Identity + Purity + Net Peptide Content (HPLC/MS), identity confirmed by mass spec. Fastest turnaround (1-2 business days). Central US (Bryan, TX).
Sun City Center, FL· ~61 mi acslabtest.com
Established multi-modality lab (HPLC + ESI-MS); accepts samples nationwide. Rush 2-3 day option. East-coast anchor.
Franklin, TN· ~569 mi freedomdiagnosticstesting.com
TN partner lab — live & bookable. Pricing: Purity & Identification (HPLC/MS) $200 base; Net Peptide Content +$25 (bundled with Purity & ID); Endotoxins $175 and Sterility/PCR $150 (each needs an additional vial — one extra vial covers both); Conformity $50 per additional vial; Fentanyl screen $40. Every submission MUST include their Peptide Purity Testing Intake Form, and the Company/Organization name on that form is the ONLY name printed on the COA. Credit-card payment only (secure portal or card-authorization form) — no crypto payout.
Goodlettsville, TN· ~590 mi colmaricanalyticals.com
Traditional ISO-certified CRO; detailed reports. Consultative intake. Southeast coverage.
Houston, TX· ~786 mi zyntrotest.com
Agilent LC-MS, explicitly mail-in/COA for vendors & researchers. Good price tier. Exact city issued at order.
Austin, TX· ~928 mi krauselabs.com
Full-service contract lab — HPLC-UV, LC-MS, residual solvents, heavy metals, amino-acid analysis. Broad capability at a low price; strong recurring-volume fit. Central US.
Austin, TX· ~930 mi finnrick.com
Independent test broker (anonymizes samples → commercial lab); publishes public ratings. Free-sample program. Best for transparency.
Detroit, MI· ~949 mi peptidetest.com
USP <1225>-validated HPLC + mass, transparent published pricing, customer-friendly portal/group-buy. Midwest coverage.
Tucson, AZ· ~1716 mi mzbiolabs.com
High-end instrumentation (Waters/Bruker/Thermo), AZ DEA license, optional GLP. Strongest US technical credibility for identity + purity.
San Diego, CA· ~2076 mi ils-lab.com
ISO 17025 accredited. Full QC panel (purity, identity, endotoxin, metals, sterility) with QR-verifiable COAs. West-coast anchor.
San Francisco, CA· ~2378 mi anresco.com
ISO/IEC 17025:2017, FDA-recognized; family-run since 1943. Accredited US tier — confirm peptide-specific mail-in workflow.
Olympia, WA· ~2515 mi vanguardlaboratory.com
ISO/IEC 17025:2017-accredited WA lab — peptide purity & quantity by USP <1225>-validated HPLC, MS identity, and UV-Vis, plus residual solvents & elemental impurities. QR-verifiable COAs via verifiedbyvanguard.com; 5–8 day turnaround. Pacific Northwest coverage. Coming soon — onboarding in progress, not yet bookable.
Bioviridian is live today — they're the most affordable option and, crucially, one of the few labs willing to forward the rest of your order to your door after testing. We're actively onboarding more partners, but most labs still refuse to forward-ship to a customer's home, so they'll stay “Coming soon” until we can offer you the same door-to-door experience.
International labs
For research customers outside the US. Not part of US checkout yet — we're expanding international routing as we grow.
Prague, Czech Republic
6-day turnaround · Community gold standard worldwide; public COA verification, full QC panel. Default international/EU anchor (also ships globally).
Zug, Switzerland
8-day turnaround · Accredited Swiss lab (EN/ISO 17025 + GMP) with a verifiable-report system; long community history for quantitative HPLC. Confirm MS-identity availability.
London, United Kingdom
7-day turnaround · Purpose-built independent UK verifier (HPLC + LC-MS + LAL endotoxin, QR-secured COAs). Closest UK analogue to Janoshik. Brokers to a UK partner lab.
Birmingham, United Kingdom
10-day turnaround · Reputable UK peptide synthesis + analytical house (HPLC, MS, amino-acid analysis) accepting external samples. Confirm accreditation + pricing.
What the tests measure
HPLC — High-Performance Liquid Chromatography
Separates the sample into its components and quantifies how much of the target peptide is present relative to impurities. This is where the purity percentage comes from.
Mass Spectrometry
Confirms identity by measuring the molecular weight of the compound. It answers a different question than HPLC: is this actually the peptide it claims to be?
Optional add-ons
Several partners also offer endotoxin (LAL) and heavy-metal (ICP-MS) screening for research applications that require sterility and elemental-impurity data.
How to read a COA
- IdentityMass spec confirms the molecular weight matches the target peptide. Look for “confirmed.”
- Purity %The HPLC peak area for the target compound. We treat ≥98% as a pass.
- Batch / lot codeTies the result to a specific production batch — the code you enter on our verification page.
- Test date & labWhen and where the analysis was run, with the analyst's signature or stamp.