Best Tesamorelin 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…
Verified Peptides
A genuinely lab-forward vendor: I opened TWO real Janoshik reports (BPC-157 Task #168855 batch BP06261310K 99.731%, and TB-500…
Chameleon Peptides
Elite testing transparency (named ISO-17025 Janoshik lab, per-batch COAs, MS + endotoxin + heavy metals, verifiable links) at…
Eternal Peptides
A solid, transparent US vendor: a named New York LLC with published terms and a real, correctly-attributed Janoshik…
EZ Peptides
Genuinely strong analytical and logistics package - personally-verified independent ILS Labs per-batch COAs (BPC-157 99.92%, Retatrutide 99.89%), same-day…
Peptidology
Solid B: named ISO-17025 independent lab, Finnrick-verified high purity, all-rail payment, and a published replacement policy outweigh the…
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…
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…
Reta One Labs
Above-average testing for a young vendor: a genuine, published, multi-lab per-batch COA program (Kovera/Vanguard/Chromate, ~61 records) with two…
NovaCell Peptides
A genuinely lab-backed young EU vendor: verified independent Liquilabs COAs show >99.8% purity on flagship products (TB-500, Retatrutide),…
Ascend Peptides UK
A transparent, testing-forward young UK vendor earning roughly a C+/B-: named UK limited company with explicit RUO framing…
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…
Proforma Peptides
A transparent, genuinely third-party-tested young UK vendor: two COAs personally opened at 99% with clean 100%-area chromatograms, a…
RetaLabs NL
A live HTTPS Dutch-facing RetaLabs store that does the core trust work well: per-batch Janoshik COAs with batch…
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%,…
MyPurePeptide
A legitimately testing newcomer: I personally opened two genuine independent Janoshik COAs (~99.2-99.7%, Mar-Apr 2026) that are correctly…
Lab Peptides France
A comparatively legitimate but very new (~5-month) France/EU vendor: I personally opened genuine independent third-party COAs from Janoshik…
Nova Life Peptides
A legitimately verifiable but young US vendor: I opened two genuine, recent, per-batch independent COAs (Freedom Diagnostics, full…
Honest Peptide
A genuinely legitimate, independently tested vendor: I opened a real Freedom Diagnostics HPLC+LC-MS cert (BPC-157 99.07%, current June-2026…
Peptide JFT
Legitimate independent COAs set this vendor apart: I personally opened four real Janoshik test reports (e.g. Tirzepatide 99.765%…
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…
Prax Peptides
A legitimate, non-scam vendor that publishes genuine independent per-batch COAs (one personally opened at 99.79%) and lists a…
EurexaLabs
A legitimate-looking, live-HTTPS Dutch EU storefront a notch above the anonymous norm: a real KvK entity, clear research-use-only…
Peptide Force Romania
A verified-but-thin young EU vendor whose testing is genuinely a cut above its peers: openable per-SKU COAs from…
GermanPeptide
A real, functioning German storefront with transparent at/below-market pricing, card payment via Stripe (with Klarna) for genuine chargeback…
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…
gFITpeps
A legitimate-looking but unproven newcomer: real, independent, recent Janoshik COAs were personally opened (~99.8% purity), yet they belong…
BioLongevity Labs
A legitimate, transparently-owned US vendor with a genuinely deep COA library tied to a real CLIA lab, but…
Peptidesvoordelig
A legitimate, well-run and transparently-priced NL vendor with a disclosed legal entity, working terms/shipping/return pages, fast tracked EU…
Peptidi Balkan
A live, transparently-priced Serbian storefront that does more than most EU peers on testing (names the genuine independent…
Peptology Labs UK
A three-month-old, cleanly presented UK peptide shop whose identity checks out (matching Companies House registration and number, coherent…
Dr Peptides
A cheap, fast, RUO-framed young UK vendor with a named limited company and a strong on-site review widget,…
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…
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…
RetaLabs (EU)
Looks legitimate on the surface - valid HTTPS, benign scanner reads, published KVK/VAT and NL contact, transparent EUR…
The Peptide Company
A legitimate-looking, transparently-registered UK Ltd storefront - real Companies House entity, Manchester address, freephone, full legal pages, RUO…
Eurolabs Peptides
A clean-looking but unproven, very young Next.js shop with confident Janoshik/COA and cold-chain marketing that does not survive…
Austrians Peptides
A real, non-scam-looking young Austrian vendor with unusually good identity transparency for the niche (named registered sole proprietor…
Pinnacle Peptide Labs
A real, functioning US storefront with more identity than many peers (Miami address, phone, Florida governing law), three…
Clean Peptides
Live, valid-HTTPS NL storefront that is more transparent than the typical anonymous EU peptide shop (named KVK, real…
BYOSY
A credible, non-scam-looking Slovak vendor with unusually good bones for the niche - a real registered VAT s.r.o.…
PEPTEX
Caution: PEPTEX presents a polished EU storefront with above-average logistics terms (UPS tracked, 28-day returns, lost-parcel reship, card+crypto),…
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…
Peptide Revolution
Caps at D+: 'third-party tested/verified' and '>=99% HPLC' are claim-only with zero published COAs, no lab named, and…
MOG Peptides
A clean, transparent-priced EU-facing store with a named, Companies-House-verifiable entity and fast tracked Packeta shipping - but its…
Euro Peptide X
A plausible but wholly unverified new EU vendor: a tidy France/Belgium store that claims per-batch COAs and >=99%…
Research Peptides FR
A plausible, non-scam-looking but wholly unverified new EU vendor: a tidy French SPA with research-use-only labeling, present legal…
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…
Biotech Peptides UK
Roughly a D/D-: a ~5-month-old UK skin of the US biotechpeptides.com operation with no independent third-party COAs (in-house…
Peptide Shop CH
A genuinely live but unverified new store: a functioning CHF-priced WooCommerce catalog with clear research-use-only labeling and transparent…
Nordic Peptide
A roughly two-year-old US peptide shop whose testing claims are contradicted by its own pages: it advertises multiple…
Best Peps
An ~8-month-old, WhatsApp-only shop that markets strong testing (>=99% HPLC, 100% third-party COA, MS identity) but publishes none…
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…
iMuscle
A live but scam-reputation pan-EU brand whose peptide third-party testing is a single reused Melanotan II COA passed…
Peptidai Lietuva
Not recommendable on current evidence: no certificate of analysis, no named lab, and no purity data of any…