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Best Semax suppliers

Looking for a trustworthy source of Semax? The companies below are ranked best-first by real, verified buyer reviews — never by advertising. Compare purity, certificates of analysis (COA), shipping regions and payment methods, then choose with confidence.

Cognitive / mood

What is Semax?

Semax is a peptide derived from a fragment of ACTH, studied in neuroscience research.

In the research literature, Semax is most commonly studied for cognition, neuroprotection and focus.

For laboratory and research use only. This is general educational information, not medical advice, and is not a claim about safety or efficacy in humans.

Peptivex Labs✓ Verified

🚚 Ships: United Kingdom💳 Payment: Credit card, Bank transfer, Crypto

HPLC tested98% purityCOA available

PEPTOFIT✓ Verified

🚚 Ships: Poland💳 Payment: Credit card, Bank transfer, INPOST COD

RETATRUTIDETirzepatideGHK-CUBPC-157

Pure Tested Peptides✓ Verified

🚚 Ships: USA💳 Payment: Credit card

Third-party testedCOA available>99% purity

PeptideForgeLabs✓ Verified

🚚 Ships: United States💳 Payment: Credit card, Crypto, Bank transfer

Legit supplier retatritude Research PeptidesTested ProductsWorldwide ShippingCrypto PaymentsLaboratory ResearchHigh PurityCOA AvailableTrusted Supplier

Peptworld✓ Verified

🚚 Ships: Portugal💳 Payment: Credit card, Crypto, Bank transfer, wise

Ships in Europecoa available

PeptidesNL✓ Verified

🚚 Ships: Netherlands💳 Payment: Bank transfer, PayPal, Tikkie

Quality testedSame-day shipping availableResearch-grade

Research Peptides Europe✓ Verified

🚚 Ships: Europe, Worldwide💳 Payment: Credit card, Crypto, Bank transfer

Third-party testedCOA availableHPLC/LC-MS verifiedEndotoxin screened

Peptides Direct✓ Verified

🚚 Ships: Europe, UK💳 Payment: Credit card, Crypto, Bank transfer

Third-party testedCOA availableJanoshik certified

Polski Peptyd✓ Verified

🚚 Ships: Poland💳 Payment: Bank transfer, BLIK, InPost COD

COA availableHigh purity (≥99%)Research chemicals

Particle Peptides✓ Verified

🚚 Ships: Europe

Third-party testedCOA available10 years in business

Regenorix Peptides✓ Verified

🚚 Ships: Netherlands💳 Payment: Bank transfer, Crypto

Advanced Research Peptides for Scientific Innovation

Regena Peptides✓ Verified

🚚 Ships: Spain💳 Payment: Credit card, PayPal, Bank transfer, Crypto

RetatrutideTirzepatidesemaglutidebpc157tb500motsc

The Peptide Company✓ Verified

🚚 Ships: United Kingdom💳 Payment: Credit card, Crypto, Bank transfer

Third-party testedCOA availableUK-basedResearch use only

Peptis Lietuva✓ Verified

🚚 Ships: Lithuania

Third-party testedCOA available99%+ purity

Buffroids✓ Verified

🚚 Ships: Lithuania💳 Payment: Crypto

BioPeptidai✓ Verified

🚚 Ships: Lithuania💳 Payment: Credit card, Bank transfer

Alphamino✓ Verified

🚚 Ships: UK💳 Payment: Credit card, PayPal, Crypto, Bank transfer

Third-party testedCOA availableUK-basedCold-chain storage

My GLP1 Store✓ Verified

🚚 Ships: USA, Latin America💳 Payment: Credit card, PayPal, zelle, Venmo, Apple Pay, Google Pay, Crypto

HPLC testedCOA available99%+ puritySame-day shipping

Pepticore Aminos✓ Verified

🚚 Ships: Italy💳 Payment: Credit card, Crypto, Bank transfer

BPCTBC-500RETATRUTIDE

Edge Peptides✓ Verified

🚚 Ships: United States💳 Payment: Crypto, Credit card

Third-party testedCOA availableShips from manufacturerFree shipping over $400

Uther Peptide✓ Verified

🚚 Ships: USA, Europe, UK, Canada, Australia & NZ💳 Payment: Crypto, Bank transfer, PayPal

Third-party testedJanoshik COABulk/Wholesale available

Purelab Peptides✓ Verified

🚚 Ships: USA💳 Payment: Bank transfer, Zelle

Third-party testedCOA available99%+ purityResearch use only

Cellpept Research✗ Not verified

🚚 Ships: Europe💳 Payment: Credit card, Crypto, PayPal

Third-party testedCOA availableEU-basedResearch only

Oath Research✗ Not verified

🚚 Ships: USA💳 Payment: Credit card, Bank transfer

Third-party testedCOA availableUS-madeLab tested

UK Peptides✓ Verified

🚚 Ships: UK, Europe, Worldwide💳 Payment: Credit card, Crypto, PayPal, Bank transfer

99%+ HPLC purityThird-party testedCOA availableISO-certified facility

ThePeptideCode LTD✗ Not verified

🚚 Ships: UK💳 Payment: Credit card, Bank transfer

HPLC + MS verifiedCOA available99%+ purityUK stock

24Peptides✓ Verified

🚚 Ships: Europe, UK💳 Payment: Bank transfer, Crypto

Third-party testedCOA availableIndependent lab verification

Bergdorf Bioscience✓ Verified

🚚 Ships: Worldwide, Europe, USA, UK, Canada, Latin America💳 Payment: Credit card, Crypto, Bank transfer

HPLC testedCOA availableThird-party testedMoney-back guarantee

Ronin Peptides✓ Verified

🚚 Ships: Canada💳 Payment: Bank transfer, Credit card, Crypto

Bluewell Peptides✗ Not verified

🚚 Ships: United Kingdom💳 Payment: Credit card

COA verifiedHPLC testedNext-day delivery

Biolab✗ Not verified

🚚 Ships: United Arab Emirates

PeptidesSARMsNootropicsCosmetic peptides

NextGenPeps✗ Not verified

🚚 Ships: USA💳 Payment: Credit card

Lab-testedCOA available99% purity

XL Peptides✗ Not verified

🚚 Ships: Worldwide, Europe, UK💳 Payment: Credit card, Bank transfer

Third-party testedHigh purity (99%+)Temperature controlled storageResearch use only

Cyprus Peptides✗ Not verified

🚚 Ships: Europe

GMPISO-9001EU-madeThird-party tested

BulkGLP✗ Not verified

🚚 Ships: USA💳 Payment: Credit card, Crypto

Third-party testedCOA available99%+ purityWholesale supplier

Peptide Pros✗ Not verified

🚚 Ships: USA, Australia & NZ💳 Payment: Credit card, Crypto

COA availableThird-party testedCustom synthesis

Base Peptides✗ Not verified

🚚 Ships: Australia & NZ

Third-party testedCOA availableAustralian-ownedResearch use only

Nationwide Peptides✗ Not verified

🚚 Ships: USA💳 Payment: Credit card, Bank transfer

Third-party testedCOA available99%+ purityResearch use only

Behemoth Labz✗ Not verified

🚚 Ships: USA💳 Payment: Credit card

USA-madeQuality control testingThird-party tested

Onyx Biolabs✗ Not verified

🚚 Ships: USA

Third-party testedCOA availableHPLC & Mass Spec verified

Arc Peptides (Peptide.co)✗ Not verified

🚚 Ships: USA💳 Payment: Credit card

Third-party lab testedCOA availableUSA sourced

VantyxLabs✗ Not verified

🚚 Ships: Worldwide, Europe, USA💳 Payment: Credit card, Bank transfer

COA availableLot traceableDiscreet packagingWhatsApp ordering

Paramount Peptides✗ Not verified

🚚 Ships: USA💳 Payment: Credit card

HPLC testedCOA included99%+ purityMade in USA

New-U Research Compounds✓ Verified

🚚 Ships: Europe, USA, UK, Canada, Australia & NZ💳 Payment: Credit card, Crypto, PayPal, Google Pay, Apple Pay, PayPal, Venmo, Cash App

New-U Research Compoundsresearch peptidespeptides supplierpeptide supplierlaboratory peptidesresearch compoundspeptides for researchBPC-157TB-500GHK-CuCJC-1295Ipamorelin

SARMs Revolution Lab✗ Not verified

🚚 Ships: Canada💳 Payment: Bank transfer

Third-party tested99% purityCOA availableTransparent packaging

ExoLabz✗ Not verified

🚚 Ships: Canada, USA💳 Payment: Credit card

COA availableThird-party testedGMP-equivalent quality standardsFree shipping on orders $200+

Aussie Peptides✗ Not verified

🚚 Ships: Australia & NZ

COA availableGMP compliantHPLC verifiedLocal stock

UK Peptide Lab✗ Not verified

🚚 Ships: UK💳 Payment: Credit card, Bank transfer

Third-party testedCOA availableHPLC verifiedCold chain storage

Kylo Peptides✗ Not verified

🚚 Ships: USA💳 Payment: Credit card

Third-party testedCOA available99% purity

BioLab Peptides✗ Not verified

🚚 Ships: UK, Worldwide💳 Payment: Bank transfer, Crypto

Third-party testedHPLC & MS verifiedCOA availableCold-chain shipping

Momentum Peptides✗ Not verified

🚚 Ships: UK, Europe💳 Payment: Bank transfer, Crypto

Third-party testedCOA availableHPLC verifiedSame-day dispatch

HEEZ Research✓ Verified

🚚 Ships: USA💳 Payment: Credit card, Crypto, Bank transfer

ZeusPeptides✗ Not verified

🚚 Ships: Europe💳 Payment: Credit card, Crypto, Bancontact

GHK-CuBPC-157RetatrutideJanoshik testedEU shipping

Melanotan Norge✗ Not verified

🚚 Ships: Europe

Peptide retailerMelanotan specialistDiscreet shipping

Anabolen Store✗ Not verified

🚚 Ships: Europe💳 Payment: Credit card, Crypto, Bank transfer

Discreet packagingFast shippingMultiple brands

Peptide Lab✗ Not verified

🚚 Ships: Europe

Third-party testedCOA availableFreeze-dried peptidesResearch-grade

Peptivora✗ Not verified

🚚 Ships: Europe💳 Payment: Credit card

Lab-testedCOA availableBatch verificationResearch use only

Synthagen Labs✗ Not verified

🚚 Ships: Europe

Patented technologyPremium quality50,000+ customers

French Peptides✗ Not verified

🚚 Ships: Europe, Worldwide

Third-party testedCOA availableHPLC verified≥99% purity

acheter-peptides.fr✗ Not verified

🚚 Ships: Europe💳 Payment: Credit card, Crypto, Bank transfer

Third-party testedCOA availableHPLC analysisJanoshik certified

Peptalia✗ Not verified

🚚 Ships: Europe

GMP certifiedHPLC testedCOA available99% purity

Purexa Peptide✗ Not verified

🚚 Ships: Europe💳 Payment: Credit card

Third-party testedCOA available≥99% purityCooled shipping

Synthagen Labs✗ Not verified

🚚 Ships: Europe

Premium peptidesPoland-basedPerformance focused

Summit Peptides✗ Not verified

🚚 Ships: Canada💳 Payment: Credit card

COA availableThird-party testedHPLC-MS verifiedDomestic sourced

LJ Synergy✗ Not verified

🚚 Ships: Canada

COA availableResearch-gradeLaboratory use only

Reviv Peptides✗ Not verified

🚚 Ships: Canada, USA

Third-party testedCOA availableGMP-certifiedCold-chain shipped

Aussie Peptide Hub✗ Not verified

🚚 Ships: Australia & NZ

Third-party testedCOA available≥99% purity guaranteedDomestic Australian shipping

My Peptide✗ Not verified

🚚 Ships: Australia & NZ💳 Payment: Credit card

Third-party testedVerified puritySame-day dispatchAustralian-owned

Imperial Peptides UK✗ Not verified

🚚 Ships: UK💳 Payment: Credit card

Third-party testedCOA availableHPLC verifiedUK-based

Astra Labs✗ Not verified

UK dispatchLab-grade compoundsCOA hub available

Advanced Peptides✗ Not verified

🚚 Ships: Australia & NZ💳 Payment: Credit card

COA availableHPLC testedResearch-only

USA Peptides✗ Not verified

🚚 Ships: Turkey

HPLC testedResearch & DevelopmentHigh purity claimed

True Peptides✗ Not verified

🚚 Ships: USA💳 Payment: Credit card

Third-party testedCOA availableHPLC verifiedSame-day shipping

EZ Peptides✗ Not verified

🚚 Ships: USA💳 Payment: Credit card

Third-party testedCOA availableLyophilized in USAResearch use only

Pepsynth Labs✗ Not verified

🚚 Ships: USA💳 Payment: Credit card

Third-party testedCOA availablecGMP facilitiesUSA manufactured

Peps In Bulk✓ Verified

🚚 Ships: Worldwide💳 Payment: Credit card, Crypto

Bulk peptidesResearch peptidesRetatrutideTirzepatideSemaglutideTB-500BPC-157GHK-CuTesamorelinGLP-1 peptidesLyophilized peptides10-vial packs

gFITpeps✗ Not verified

🚚 Ships: Europe💳 Payment: Credit card, PayPal

Janoshik COA99%+ purityResearch use onlyFast shipping

PEPTIDE.Power✗ Not verified

🚚 Ships: Europe, USA, Canada, Latin America, Asia

Internal quality testingCold-chain deliveryResearch-grade99%+ purity

Smart Peptides✗ Not verified

🚚 Ships: Europe💳 Payment: Credit card

HPLC testedCOA availableLC-MS verifiedCapsule form available

PureLab✗ Not verified

🚚 Ships: Europe

Peptydy Sklep✗ Not verified

🚚 Ships: Europe💳 Payment: Bank transfer

HPLC testedCOA available24h shippingCold storage -20°C

LynxLabs✗ Not verified

🚚 Ships: Canada💳 Payment: Interac e-Transfer

Canada-onlyResearch-use onlyThird-party testedBatch traceabilityPublic COAsInterac e-Transfer

Strand Bio✗ Not verified

🚚 Ships: USA💳 Payment: Credit card

Research use onlyUSA shippingCard paymentsPublic policiesDirect support

Durham Peptides✓ Verified

🚚 Ships: Canada💳 Payment: Bank transfer, E-Transfer

Yiwu Dongfeng Peptide Industry Co., Ltd.✗ Not verified

🚚 Ships: Worldwide💳 Payment: Bank transfer, PayPal, Crypto

BioInfinity Lab✗ Not verified

🚚 Ships: USA

Third-party testedCOA availableHPLC & MS verified≥99% purity

Lab Trust Peptides✗ Not verified

Third-party testedCOA availableHPLC/MS verified99%+ Purity

Chameleon Peptides✗ Not verified

🚚 Ships: USA💳 Payment: Credit card

Janoshik verifiedCOA availableISO 17025 testedThird-party tested

NXTSTATE✗ Not verified

🚚 Ships: USA, Canada, UK💳 Payment: Credit card

Third-party testedCOA availableHPLC verifiedResearch-grade

Regena peptides✓ Verified

🚚 Ships: Worldwide💳 Payment: PayPal, Bank transfer, Credit card, Crypto

RetatrutideTirzepatideSemaglutide

West Coast Compounds✓ Verified

🚚 Ships: USA💳 Payment: Bank transfer

Research PeptidesRUOResearch Use OnlyThird-Party TestedCOA AvailableHPLC TestedMass SpectrometryUSA ShippingFast ShippingQuality ControlLyophilized PeptidesU.S. Based

APEX PEPTIDES✗ Not verified

🚚 Ships: Worldwide, Europe, UK, USA💳 Payment: Bank transfer, PayPal

RetatrutidetrizMelotan 2nad+mots-c good prices for quality stuff

SPeptides✗ Not verified

🚚 Ships: UK💳 Payment: Credit card, Bank transfer, PayPal, Debit Card, Apple Pay

Hira Compounds✗ Not verified

🚚 Ships: USA, UK💳 Payment: Bank transfer, Credit card, Crypto, Venmo, Zelle and Cashapp

RetatrutideBPC-157TB500GHK-cuCagrilintideTirzepatideSemaglutideCJC 1295NAD+EpithalonGLOWKLOW

Sigma Compounds✗ Not verified

🚚 Ships: Worldwide

Third-party testedISO 9001:2008 certifiedResearch use only

Go Alpha Labs✗ Not verified

🚚 Ships: USA💳 Payment: Credit card

Third-party testedCOA availableSame-day shippingUS-based

Ameano Peptides✗ Not verified

🚚 Ships: USA💳 Payment: Credit card

Third-party testedCOA available99% purity guaranteedUS-based facility

Polar Peptides✗ Not verified

🚚 Ships: Canada💳 Payment: Credit card, Crypto, Bank transfer

99.9% purityFast Canadian shippingBatch quality control

Baltic BioLabs✗ Not verified

🚚 Ships: Lithuania💳 Payment: Credit card

Third-party HPLC testedCOA availableGMP-equivalentEU sourced

Ageless Bio Labs✗ Not verified

🚚 Ships: UK💳 Payment: Bank transfer

RetatrutideTirzepatideCagrilintide5-Amino-1MQKLOWMT2GHK-CuNAD+SS-31MOTS-CEpithalonBPC-157 + TB500

Browse all peptide suppliers →

Buying Semax safely

Always ask for a batch-specific Certificate of Analysis (COA) covering purity (HPLC) and identity (mass spec), and favour suppliers with independent, third-party testing and transparent shipping and return policies. Research peptides may be regulated where you live — you are responsible for complying with local laws.

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