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

HPLC tested98% purityCOA available

PEPTOFIT✓ Verified

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

RETATRUTIDETirzepatideGHK-CUBPC-157

Peptworld✓ Verified

🚚 Ships: Europe, High Purity, Trusted Supplier, 100% satisfaction💳 Payment: Credit card, Crypto, Bank transfer, wise

Ships in Europecoa available

Regena Peptides✓ Verified

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

RetatrutideTirzepatidesemaglutidebpc157tb500motsc

PeptideForgeLabs✓ Verified

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

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

PeptidesNL✓ Verified

🚚 Ships: Europe, Worldwide💳 Payment: Bank transfer, PayPal, Tikkie

Quality testedSame-day shipping availableResearch-grade

The Peptide Company✓ Verified

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

Third-party testedCOA availableUK-basedResearch use only

Peptis.lt

🚚 Ships: Lithuania

Third-party testedCOA available99%+ purity

Pepticore Aminos✓ Verified

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

BPCTBC-500RETATRUTIDE

Edge Peptides✓ Verified

🚚 Ships: Worldwide, USA, Europe, UK, Canada, Australia & NZ, Asia💳 Payment: Crypto, Credit card

Third-party testedCOA availableShips from manufacturerFree shipping over $400

Regenorix Peptides✓ Verified

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

Advanced Research Peptides for Scientific Innovation

Uther Peptide✓ Verified

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

Third-party testedJanoshik COABulk/Wholesale available

Buffroids✓ Verified

🚚 Ships: Europe💳 Payment: Crypto

Purelab Peptides✓ Verified

🚚 Ships: USA💳 Payment: Bank transfer, Zelle

Third-party testedCOA available99%+ purityResearch use only

BioPeptidai✓ Verified

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

Pure Tested Peptides✓ Verified

🚚 Ships: USA💳 Payment: Credit card

Third-party testedCOA available>99% purity

Oath Research

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

Third-party testedCOA availableUS-madeLab tested

Ronin Peptides✓ Verified

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

Bluewell Peptides

🚚 Ships: Worldwide, UK💳 Payment: Credit card

COA verifiedHPLC testedNext-day delivery

Biolab

🚚 Ships: Europe

PeptidesSARMsNootropicsCosmetic peptides

Particle Peptides

🚚 Ships: Europe

Third-party testedCOA available10 years in business

NextGenPeps

🚚 Ships: USA💳 Payment: Credit card

Lab-testedCOA available99% purity

XL Peptides

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

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

Cellpept Research

🚚 Ships: Europe

Third-party testedCOA availableEU-basedResearch only

Cyprus Peptides

🚚 Ships: Europe

GMPISO-9001EU-madeThird-party tested

BulkGLP

🚚 Ships: USA💳 Payment: Credit card, Crypto

Third-party testedCOA available99%+ purityWholesale supplier

Peptide Pros

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

COA availableThird-party testedCustom synthesis

Base Peptides

🚚 Ships: Australia & NZ

Third-party testedCOA availableAustralian-ownedResearch use only

Nationwide Peptides

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

Third-party testedCOA available99%+ purityResearch use only

Behemoth Labz

🚚 Ships: USA💳 Payment: Credit card

USA-madeQuality control testingThird-party tested

Onyx Biolabs

🚚 Ships: USA

Third-party testedCOA availableHPLC & Mass Spec verified

Arc Peptides (Peptide.co)

🚚 Ships: USA💳 Payment: Credit card

Third-party lab testedCOA availableUSA sourced

VantyxLabs

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

COA availableLot traceableDiscreet packagingWhatsApp ordering

Paramount Peptides

🚚 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

LynxLabs

🚚 Ships: Canada💳 Payment: Interac e-Transfer

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

Strand Bio

🚚 Ships: USA💳 Payment: Credit card

Research use onlyUSA shippingCard paymentsPublic policiesDirect support

American Peptides

🚚 Ships: USA💳 Payment: Credit card

Third-party testedCOA availableHPLC/Mass Spec verifiedEndotoxin tested

Durham Peptides✓ Verified

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

Yiwu Dongfeng Peptide Industry Co., Ltd.

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

BioInfinity Lab

🚚 Ships: USA

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

Lab Trust Peptides

Third-party testedCOA availableHPLC/MS verified99%+ Purity

Chameleon Peptides

🚚 Ships: USA💳 Payment: Credit card

Janoshik verifiedCOA availableISO 17025 testedThird-party tested

NXTSTATE

🚚 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

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

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

SPeptides

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

Hira Compounds

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

RetatrutideBPC-157TB500GHK-cuCagrilintideTirzepatideSemaglutideCJC 1295NAD+EpithalonGLOWKLOW

American Peptides

🚚 Ships: USA💳 Payment: Credit card

Third-party testedCOA available99.7% purity verifiedSame-day shipping

Sigma Compounds

🚚 Ships: Worldwide

Third-party testedISO 9001:2008 certifiedResearch use only

Go Alpha Labs

🚚 Ships: USA💳 Payment: Credit card

Third-party testedCOA availableSame-day shippingUS-based

Ameano Peptides

🚚 Ships: USA💳 Payment: Credit card

Third-party testedCOA available99% purity guaranteedUS-based facility

Polar Peptides

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

99.9% purityFast Canadian shippingBatch quality control

Baltic BioLabs

🚚 Ships: Europe💳 Payment: Credit card

Third-party HPLC testedCOA availableGMP-equivalentEU sourced

PeptideForgeLabs✓ Verified

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

Research PeptidesThird Party TestedCOA AvailableWorldwide ShippingBPC 157TB 500CJC 1295IpamorelinTesamorelinSemaglutideRetatrutideSecure Payments

Ageless Bio Labs

🚚 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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