Best Semax vendors
68 vendors, ranked by our independent composite grade. Same methodology as everywhere else: no vendor pays for placement. See how we score →
Crush Research
A young but unusually testing-serious domestic vendor whose real, named-ISO-17025 (ILS Laboratories), per-batch, multi-vial COA program and card-plus-crypto-plus-bank…
Peptidology
Solid B: named ISO-17025 independent lab, Finnrick-verified high purity, all-rail payment, and a published replacement policy outweigh the…
Peptidos.eu
A verified, comparatively strong EU vendor: genuine per-batch Janoshik COAs are published and openable, the on-site purity figures…
Pulse Peptides
A legitimate, transparent EU vendor with genuine third-party per-batch Janoshik testing (BPC-157 verified at 99.6%), named Cyprus/UK entities,…
Casa Peptido
A rare new vendor whose testing is its strongest asset: it publishes an openable, per-batch, QR-verifiable Janoshik ledger…
PeptidesDirect
A transparent, well-documented EU vendor set apart by buyer-side independent Liquilabs COAs (personally verified) on top of 44…
Imperial Peptides UK
A transparent, testing-forward young UK vendor: named limited company with a real Companies House record, explicit RUO framing,…
Peptidgen
A young (~6-month domain) but genuinely lab-backed Slovak vendor: real independent Janoshik per-batch COAs at 99.5-99.9% sit one…
RetaEU
A genuinely third-party-tested young Dutch vendor: openable Janoshik COAs (named gold-standard lab) at 99%+ across most of a…
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…
Fit Peptides
A legitimate, well-documented young Dutch vendor that earns roughly a B-minus: it names a real checkable legal entity…
Proforma Peptides
A transparent, genuinely third-party-tested young UK vendor: two COAs personally opened at 99% with clean 100%-area chromatograms, a…
myPEPT
A young but genuinely COA-backed NL/EU vendor: I personally opened real Janoshik third-party reports (Retatrutide #156077 at 99.557-99.720%,…
Nova Life Peptides
A legitimately verifiable but young US vendor: I opened two genuine, recent, per-batch independent COAs (Freedom Diagnostics, full…
Beyond Peptides
A legit-looking EU peptide vendor set apart by real, recent, independently named-lab Janoshik COAs (BPC-157 99.574%, personally opened…
CertaPeptides
A genuinely independent, Janoshik-tested EU vendor with an unusually transparent real legal entity (CERTALAB S.R.L., full address and…
Ultimate Biolabs
One of the more credible young EU sellers: a fully identified Polish limited company with a complete Impressum…
BergdorfBio
A plausible, tidy, non-scam-looking new German vendor that does more than most newcomers - names a reputable independent…
Biohackr
Comparatively strong for a ~7-week-old shop: it names Janoshik Analytical and links real, product-specific independent COA pages for…
Peptide Kaufen
The testing core is genuinely strong - verifiable independent Janoshik per-batch COAs at ~99% HPLC naming this domain,…
EurexaLabs
A legitimate-looking, live-HTTPS Dutch EU storefront a notch above the anonymous norm: a real KvK entity, clear research-use-only…
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,…
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,…
GermanPeptide
A real, functioning German storefront with transparent at/below-market pricing, card payment via Stripe (with Klarna) for genuine chargeback…
EuroPeptides.de (ELYVERA)
A plausible mid-tier EU vendor: named-Janoshik per-batch independent testing with the correct QR-verification flow, EU (Vienna) origin with…
Europeptide.eu
A plausible, well-liked small EU (Ireland) vendor: named per-batch third-party COAs across most of the catalog, fast tracked…
Xcel Peptides
A named US entity using a reputable independent lab (Janoshik), but an active FDA warning letter for unapproved-drug…
Bluewell Peptides
A functional, non-scam UK vendor with transparent at-market pricing, fast tracked delivery, card-plus-bank payment, and real per-batch COAs…
Peptide Koning
Lands around a C-minus/D-plus: it clears the independent-COA floor because flagship products (Semaglutide, TB-500) reference Janoshik with task…
Peptide Research NL
Verified on the core testing axis (real independent Analiza Bialek COAs personally opened, 99% purity, vial barcodes matching…
SEMAX Poland
A rare peptide vendor with genuine corporate transparency: a real, named Polish limited company (KRS/NIP/REGON + director +…
German Peptide Labs
A legitimate-looking but unproven EU reseller: real, independent, recent Janoshik COAs were personally opened (Retatrutide 99.423%, MOTS-C 99.114%),…
gFITpeps
A legitimate-looking but unproven newcomer: real, independent, recent Janoshik COAs were personally opened (~99.8% purity), yet they belong…
Tide Labs
A tidy, competitively-priced young UK boutique with a named limited company, explicit RUO framing, an open QC hub…
SENEX Peptides
A brand-new (Jan 2026), thinly-identified German white-label front for Hong Kong supplier Cocer Peptides. The Janoshik testing program…
Dr Peptides
A cheap, fast, RUO-framed young UK vendor with a named limited company and a strong on-site review widget,…
Peptidy.org
A thin, semi-dormant Czech WooCommerce shop that sits just above the floor on the strength of one genuine…
French Peptides
A plausible, non-scam-looking but unverified young EU vendor: fast France-origin shipping, transparent at/below-market EUR pricing, complete legal pages…
Labsy
A transparent, professionally run Polish storefront with a real registered owner, clear terms and consistent research-use labeling, but…
Peptide Lab NL
Identity and infrastructure are genuinely solid for a niche EU vendor: a real registered Dutch B.V. with KvK,…
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…
Peptida Apotheke
A hastily launched (Feb 2026) German research-peptide storefront with genuine strengths in logistics (German-warehouse DHL Express, tracked, 1-4…
Jacked
A real, long-running, non-anonymous Slovak peptide vendor with genuinely strong identity transparency for the niche (registered s.r.o., ICO/DIC,…
PureLab
A genuine, registry-verifiable Polish operation (physical address, established sister supplement brand, transparent pricing, EU-wide InPost shipping, clear research-use-only…
Eurolabs Peptides
A clean-looking but unproven, very young Next.js shop with confident Janoshik/COA and cold-chain marketing that does not survive…
Clean Peptides
Live, valid-HTTPS NL storefront that is more transparent than the typical anonymous EU peptide shop (named KVK, real…
Sora Peptides
A live but ~9-month-old Serbia-based DTC shop that advertises strong testing (>99% purity, certified/ISO 9001 labs, each batch…
Peptide Croatia
A live valid-HTTPS but ~4-month-old, fully anonymous Croatian storefront whose trust case rests on an unbacked 'HPLC >=98%…
Biopeptide
A plausible, non-scam-looking but wholly unverified new EU vendor: a tidy Shopify store that names a real third-party…
LifeSpanSupply
A live, valid-HTTPS ~3-month-old EU/Asia-facing store whose trust case rests on an unbacked '>=99% independent HPLC / COA…
Peptology Romania
A young, thinly-proven EU-network storefront whose Romanian brand masks a Bulgarian operation: contact page gives a Sofia BG…
Professional Peptides
A real but very new (~6 months) and low-profile US vendor that earns roughly a D+: it claims…
Peptydy Sklep
A plausible but entirely unverified young Polish/EU vendor: it discloses a named legal entity, full address and NIP/KRS/REGON…
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,…
DNLabResearch
A live, ~4.5-year-old and valid-HTTPS storefront whose trust case collapses at the core: no Certificate of Analysis is…
Peptide Labz
A low-trust, anonymous, template-clone German peptide store whose entire quality case rests on unverifiable claims - independent testing…
Axium Peptides
Avoid: Axium presents another shop's real Janoshik certificates (all Client/Manufacturer = Peptide JFT / peptidejft.shop) as its own,…
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…
Nova Peptides FR
A brand-new, unverified French store whose entire trust case rests on unsubstantiated claims: it advertises over-99% independent HPLC…
PeptidesUK
High-risk, likely-scam record: no published or independent COAs (only on-request, no lab named), anonymous ownership behind a hidden…
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…
Peptides.net.pl
A failed/abandoned Polish grey-market vendor with a credible exit-scam pattern: multiple Trustpilot reviewers report paying and receiving nothing…