Best DSIP vendors
31 vendors, ranked by our independent composite grade. Same methodology as everywhere else: no vendor pays for placement. See how we score →
Particle Peptides
One of the more credible EU research-peptide vendors: a fully-identified Slovak company on an 11-year domain that publishes…
Eternal Peptides
A solid, transparent US vendor: a named New York LLC with published terms and a real, correctly-attributed Janoshik…
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…
Peptides France
A rare young EU store that actually backs its trust case: genuine, recent, per-batch independent Janoshik COAs on…
Imperial Peptides UK
A transparent, testing-forward young UK vendor: named limited company with a real Companies House record, explicit RUO framing,…
Fit Peptides
A legitimate, well-documented young Dutch vendor that earns roughly a B-minus: it names a real checkable legal entity…
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%,…
Lab Peptides France
A comparatively legitimate but very new (~5-month) France/EU vendor: I personally opened genuine independent third-party COAs from Janoshik…
Pharma Lab Global
A ~6-year-old, cheap, UK-shipping vendor that does the one thing most fail at - it publishes real per-batch…
SlavicLabs
A legitimate, well-established Polish vendor (real KRS entity, physical address, ~4yr domain, valid HTTPS, no dark patterns) with…
Peptide Research NL
Verified on the core testing axis (real independent Analiza Bialek COAs personally opened, 99% purity, vial barcodes matching…
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…
Peptidy.org
A thin, semi-dormant Czech WooCommerce shop that sits just above the floor on the strength of one genuine…
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,…
Pinnacle Peptide Labs
A real, functioning US storefront with more identity than many peers (Miami address, phone, Florida governing law), three…
PEPTEX
Caution: PEPTEX presents a polished EU storefront with above-average logistics terms (UPS tracked, 28-day returns, lost-parcel reship, card+crypto),…
Pen Peptide Hrvatska
A newcomer EU pen-peptide shop that discloses a real Bulgarian legal entity (GLOBAL AMINOBIOLOGIST LTD, EIK 207457459) and…
Biopeptide
A plausible, non-scam-looking but wholly unverified new EU vendor: a tidy Shopify store that names a real third-party…
Professional Peptides
A real but very new (~6 months) and low-profile US vendor that earns roughly a D+: it claims…
Astra Peptides
A real, non-scam, low-priced US vendor whose entire trust case rests on an unverifiable claim: it names Janoshik…
Peptis
Below-average trust: a genuinely reputable lab (Janoshik) is referenced and pricing looks competitive, but the very new domain,…
Peptide Shop CH
A genuinely live but unverified new store: a functioning CHF-priced WooCommerce catalog with clear research-use-only labeling and transparent…
Proxiva Labs
Currently suspended (client hold), so nothing on-site is verifiable right now; the objectively false since-2021 claim on a…
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…
Testolab HR
An unverifiable young Croatian gray-market steroid/SARM/peptide reseller: it carries the mainstream peptides (BPC-157 EUR 58-96, TB-500, CJC-1295) and…
Peptidai Lietuva
Not recommendable on current evidence: no certificate of analysis, no named lab, and no purity data of any…