Best Thymosin Alpha-1 vendors
16 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…
Particle Peptides
One of the more credible EU research-peptide vendors: a fully-identified Slovak company on an 11-year domain that publishes…
Protide Health
A real, non-scam US vendor whose trust case is actually backed up: I personally opened a Freedom Diagnostics…
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,…
PeptidesDirect
A transparent, well-documented EU vendor set apart by buyer-side independent Liquilabs COAs (personally verified) on top of 44…
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…
NovaCell Peptides
A genuinely lab-backed young EU vendor: verified independent Liquilabs COAs show >99.8% purity on flagship products (TB-500, Retatrutide),…
RetaEU
A genuinely third-party-tested young Dutch vendor: openable Janoshik COAs (named gold-standard lab) at 99%+ across most of a…
Core Peptides
Ships reliably and reviews well, but publishes no real testing and has a payment-scam complaint. Unverifiable on the…
Peptidy.org
A thin, semi-dormant Czech WooCommerce shop that sits just above the floor on the strength of one genuine…
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…
PureLab
A genuine, registry-verifiable Polish operation (physical address, established sister supplement brand, transparent pricing, EU-wide InPost shipping, clear research-use-only…
Peptide Revolution
Caps at D+: 'third-party tested/verified' and '>=99% HPLC' are claim-only with zero published COAs, no lab named, and…
R3Peptides
A brand-new, unverified France static-HTML store that claims >=98% HPLC + mass-spec testing with COA on request but…
PeptidesUK
High-risk, likely-scam record: no published or independent COAs (only on-request, no lab named), anonymous ownership behind a hidden…