Best Tirzepatide vendors
68 vendors, ranked by our independent composite grade. Same methodology as everywhere else: no vendor pays for placement. See how we score →
OROS Research
A transparent, genuinely third-party-tested young vendor: I personally opened real independent COAs (Ethos Analytics >99% BPC-157; Freedom Diagnostics…
Ascension Peptides
Some of the best lab testing we have seen, with transparency and self-promotion caveats. A strong, verifiable option.
Peptalia
A solid, well-above-niche-norm Spanish research-peptide vendor: each product page carries CoA/MS/HPLC tabs whose MS and HPLC sheets are…
Elite Edge Biotech
A verified independent per-batch COA from a named US lab (MZ Biolabs, 99.52%), a fully published business identity…
NuRev Peptides
A transparent, genuinely third-party-tested young vendor: I personally opened four real independent COAs from two named labs (MDx…
Casa Peptido
A rare new vendor whose testing is its strongest asset: it publishes an openable, per-batch, QR-verifiable Janoshik ledger…
Peptides France
A rare young EU store that actually backs its trust case: genuine, recent, per-batch independent Janoshik COAs on…
NovaCell Peptides
A genuinely lab-backed young EU vendor: verified independent Liquilabs COAs show >99.8% purity on flagship products (TB-500, Retatrutide),…
PTM Peptide
A credible, above-average-for-its-age EU research-peptide vendor: real Janoshik third-party COAs (genuine verify.janoshik.com link, batch #170405 RETA 99.2%), complete…
Hydro Research Peptides
A legitimate, well-reviewed vendor whose real independent per-batch COAs (one verified at 99.85%) and named labs put it…
Loti Labs
Real transparency and testing, but recurring quality complaints and premium pricing keep it middling.
Lab Peptides France
A comparatively legitimate but very new (~5-month) France/EU vendor: I personally opened genuine independent third-party COAs from Janoshik…
Peak Lab Peptides
A legitimate, transparent new entrant with strong independent Bioviridian purity numbers and a real named LLC, but its…
Royal Peptides
A credible GLP-1 wholesaler with a genuinely strong testing story for the niche (named Janoshik COAs plus independent…
Peptide JFT
Legitimate independent COAs set this vendor apart: I personally opened four real Janoshik test reports (e.g. Tirzepatide 99.765%…
Suaway Lab Research
A legitimate, genuinely independently tested EU vendor: an 11-year domain, named entity and address, and a real Finnrick…
CertaPeptides
A genuinely independent, Janoshik-tested EU vendor with an unusually transparent real legal entity (CERTALAB S.R.L., full address and…
BergdorfBio
A plausible, tidy, non-scam-looking new German vendor that does more than most newcomers - names a reputable independent…
Limitless Biotech
A mid-tier established vendor: real per-batch COAs and multiple payment rails are offset by an unnamed/conflicting testing lab,…
Baltic BioLabs
A legitimate, non-scam EU affiliate storefront whose flagship products are genuinely and independently tested (real Liquilabs per-batch COAs,…
Peptide Force Romania
A verified-but-thin young EU vendor whose testing is genuinely a cut above its peers: openable per-SKU COAs from…
Marvel Pep
A young (domain created Nov 2025) China-based storefront with a surprisingly strong independent signal on its flagship: Finnrick's…
Smart Peptides (smartpeptides.de)
A plausible young EU mid-tier vendor: names Janoshik with the correct verify.janoshik.com per-product test-report links for its flagships,…
Core Peptides
Ships reliably and reviews well, but publishes no real testing and has a payment-scam complaint. Unverifiable on the…
Pure Rawz
A real, long-running vendor whose best feature is genuine per-batch independent COAs from a named lab and transparent,…
gFITpeps
A legitimate-looking but unproven newcomer: real, independent, recent Janoshik COAs were personally opened (~99.8% purity), yet they belong…
Polaris Peptides
A legitimate, non-scam vendor whose flagship tirzepatide is genuinely excellent by independent lab data, but zero self-published COAs,…
Peptidesvoordelig
A legitimate, well-run and transparently-priced NL vendor with a disclosed legal entity, working terms/shipping/return pages, fast tracked EU…
Happy Peptides
Legit-looking, transparent operator with good pricing and a clean, well-reviewed reputation, but its central quality claim is unverifiable:…
SENEX Peptides
A brand-new (Jan 2026), thinly-identified German white-label front for Hong Kong supplier Cocer Peptides. The Janoshik testing program…
Peptidic Research
An identifiable New Mexico LLC with a real address, fast free tracked US shipping, competitive GLP-1 multipack pricing,…
Peptology Labs UK
A three-month-old, cleanly presented UK peptide shop whose identity checks out (matching Companies House registration and number, coherent…
Peptidy.org
A thin, semi-dormant Czech WooCommerce shop that sits just above the floor on the strength of one genuine…
CellPeptides
A competent, fast-shipping, fairly-priced storefront with genuine buyer recourse (card chargebacks, crypto, bank, plus a 30-day replacement/refund), but…
Apex Lab Peptides
A real, non-scam, low-priced US vendor that does more than most on paper - per-batch COAs posted for…
Research Peptides Lab
A plausibly legitimate, non-scam young vendor with transparent pricing and fast tracked US shipping, but no testing lab…
Peptide Pro (UK)
A real, fast-shipping young UK/Ireland peptide-pen brand that serves buyers well day-to-day but earns roughly a D+: it…
Peptide Revival
A plausibly real but unproven small vendor: identity is on-record and pricing and shipping look fine, but every…
Terapeptides
A plausible but unverified young EU vendor: well-priced, tracked EU shipping, two payment rails including a card option,…
Eurolabs Peptides
A clean-looking but unproven, very young Next.js shop with confident Janoshik/COA and cold-chain marketing that does not survive…
Felix Chemical Supply
Competitive pricing, decent US-only shipping and multi-rail payment are the only verifiable strengths; a 2025 domain, a fully…
PEPTEX
Caution: PEPTEX presents a polished EU storefront with above-average logistics terms (UPS tracked, 28-day returns, lost-parcel reship, card+crypto),…
NextGen Peptides
Transparent on paper but unverifiable where it counts: no openable independent COA (redacted images; admitted supplier/in-house testing), a…
Reptide
A real, non-scam-looking but entirely unverified young Bulgarian vendor whose trust case rests on unbacked claims: 98%+ purity…
Longevity Peptides
Fails on the essentials of trust: it claims COA-verified >=99% purity but publishes no certificates and names no…
Biopeptide
A plausible, non-scam-looking but wholly unverified new EU vendor: a tidy Shopify store that names a real third-party…
Peptology Romania
A young, thinly-proven EU-network storefront whose Romanian brand masks a Bulgarian operation: contact page gives a Sofia BG…
MOG Peptides
A clean, transparent-priced EU-facing store with a named, Companies-House-verifiable entity and fast tracked Packeta shipping - but its…
Direct Peptides
A real, long-running vendor that works well for a majority of customers on speed and service, but it…
Peptis
Below-average trust: a genuinely reputable lab (Janoshik) is referenced and pricing looks competitive, but the very new domain,…
Pen Peptide
A valid-HTTPS, ~2.7-year Shopify pen-peptide brand that looks operationally competent (real tracked/cooled DPD shipping, card/COD payment, RUO labeling)…
Euro Peptide X
A plausible but wholly unverified new EU vendor: a tidy France/Belgium store that claims per-batch COAs and >=99%…
Innova BioTech Research
A real, functioning storefront with transparent at/below-market pricing, three payment rails including card, and fast tracked domestic shipping,…
Peptide Sciences
Closed as of 6 March 2026 and not recoverable - no refunds, and any site claiming to be…
Research Peptides Europe
A functional but entirely unverified young EU vendor whose trust case rests on unbacked claims: 99.8% purity with…
Nordic Peptide
A roughly two-year-old US peptide shop whose testing claims are contradicted by its own pages: it advertises multiple…
DNLabResearch
A live, ~4.5-year-old and valid-HTTPS storefront whose trust case collapses at the core: no Certificate of Analysis is…
ScandicPeptides
A real, non-scam-looking but entirely unverified young Norwegian/EU vendor whose trust case rests on unverifiable claims: 99% purity…
Proxiva Labs
Currently suspended (client hold), so nothing on-site is verifiable right now; the objectively false since-2021 claim on a…
Best Peps
An ~8-month-old, WhatsApp-only shop that markets strong testing (>=99% HPLC, 100% third-party COA, MS identity) but publishes none…
Modern Research Peptides
Avoid. Behind a clean site, fast US shipping and a thin 4.3/16 Trustpilot lies a documented COA-fabrication record:…
Nordic Peptider
A live, valid-HTTPS but entirely unverified ~4-month-old Danish store whose trust case rests on an unbacked '>99% HPLC'…
Nordic Pharma EU
A four-month-old, identity-hidden EU vendor whose entire trust case rests on unverifiable claims: it says every product has…
R3Peptides
A brand-new, unverified France static-HTML store that claims >=98% HPLC + mass-spec testing with COA on request but…
Peptide Shop Deutschland
A ~4-month-old template-built German shop that labels products research-use-only and ships free within 2-4 business days from a…
Cortex Peptides
A ~6-month-old template-built shop that names Janoshik and labels products research-use-only, ships tracked within the EU fast to…
Peptide Shop (.net)
Effectively unrated and untrustworthy as it stands: an anonymous, ~6-month-old EU dropship-style front whose domain is suspended (clientHold)…
Peptidai Lietuva
Not recommendable on current evidence: no certificate of analysis, no named lab, and no purity data of any…