Research peptide supplier

Hyper-precise peptide synthesis. Clinical purity.

High-purity research peptides, lab-tested for identity and purity. Free shipping on orders over $250. Create an account to checkout — pay by crypto or bank transfer.

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Free shipping on orders over $250·10% off orders over $1,000·Prices shown in your local currency·Discreet, tracked delivery·Research cycle calculator →·Track an order →

Weight loss & metabolic

Only 4 left
Weight loss

5-Amino-1MQ

Typically studied forNNMT inhibitor research; cellular metabolism and NAD+ pathway studies.

$50.00
Only 4 left
Weight loss

Adipotide (FTPP)

Typically studied forAdipose vasculature research; targeted fat-tissue apoptosis models.

$147.00
Only 2 left
Weight loss

AOD-9604

Typically studied forHGH fragment research; lipid metabolism and adipose-tissue pathway studies.

$84.00
Only 3 left
Weight loss

Cagrilintide

Typically studied forAmylin analog research; satiety signaling and metabolic rate studies.

$127.00
Only 3 left
Weight loss

Cagrilintide + Semaglutide

Typically studied forAmylin/GLP-1 co-agonism research; appetite and glycemic control pathways.

10mg — $230.00 — Only 3 left
$230.00
Only 2 left
Weight loss

CagriSema (Cagrilintide 2.5mg + Semaglutide 2.5mg)

Typically studied forAmylin + GLP-1 combination research; satiety and metabolic synergy models.

5mg — $165.00 — Only 2 left
$165.00
Only 2 left
Weight loss

Dulaglutide

Typically studied forLong-acting GLP-1 agonist research; sustained incretin pathway modeling.

$300.00
Only 3 left
Weight loss

Lemon Bottle

Typically studied forLipolytic compound research; localized fat-metabolism modeling.

10ml — $110.00 — Only 3 left
$110.00
Only 2 left
Weight loss

Mazdutide

Typically studied forGLP-1/glucagon dual-agonist research; obesity and NAFLD pathway studies.

10mg — $400.00 — Only 2 left
$400.00
Only 4 left
Weight loss

Retatrutide

Typically studied forTriple GLP-1/GIP/glucagon agonist research; advanced metabolic pathway modeling.

$90.00
Only 4 left
Weight loss

Retatrutide 20mg + Tirzepatide 40mg (blend)

Typically studied forMulti-incretin blend research; combined metabolic receptor studies.

60mg — $400.00 — Only 4 left
$400.00
Only 3 left
Weight loss

Semaglutide

Typically studied forGLP-1 receptor agonist research; appetite, glucose, and weight-regulation pathways.

$40.00
Only 2 left
Weight loss

Survodutide

Typically studied forGLP-1/glucagon dual-agonist research; liver fat and metabolic balance models.

10mg — $500.00 — Only 2 left
$500.00
Only 3 left
Weight loss

Tirzepatide

Typically studied forDual GIP/GLP-1 agonist research; metabolic signaling and energy-balance studies.

$62.00

Longevity

Only 3 left
Longevity

ACTH 1-39

Typically studied forAdrenocorticotropic hormone research; adrenal-axis and cortisol-pathway studies.

5mg — $115.00 — Only 3 left
$115.00
Only 3 left
Longevity

Adamax

Typically studied forEnhanced Semax analog research; neuroprotection and cognitive-enhancement models.

$167.00
Only 2 left
Longevity

AICAR

Typically studied forAMPK activator research; mitochondrial biogenesis and endurance-metabolism models.

$122.00
Only 2 left
Longevity

B7-33

Typically studied forRelaxin-family peptide research; fibrosis reduction and tissue-remodeling models.

$114.00
Only 2 left
Longevity

Cardiogen

Typically studied forCardiac bioregulator research; cardiomyocyte repair and heart-tissue models.

20mg — $217.00 — Only 2 left
$217.00
Only 3 left
Longevity

Cortagen

Typically studied forVascular bioregulator research; connective-tissue and vascular-wall studies.

20mg — $224.00 — Only 3 left
$224.00
Only 4 left
Longevity

Crystagen

Typically studied forCartilage bioregulator research; joint tissue and extracellular-matrix models.

20mg — $144.00 — Only 4 left
$144.00
Only 4 left
Longevity

Dermorphin

Typically studied forOpioid peptide research; pain-pathway and receptor-binding studies.

2mg — $55.00 — Only 4 left
$55.00
Only 2 left
Longevity

DSIP

Typically studied forDelta sleep-inducing peptide research; sleep architecture and stress-response models.

$55.00
Only 3 left
Longevity

Epitalon

Typically studied forTelomerase-activating tetrapeptide research; pineal, circadian, and aging studies.

$79.00
Only 3 left
Longevity

FOXO4-DRI

Typically studied forSenolytic peptide research; senescent-cell clearance and aging models.

10mg — $617.00 — Only 3 left
$617.00
Only 2 left
Longevity

Fragment 17-23

Typically studied forGH fragment research; lipolysis and fat-metabolism pathway studies.

10mg — $150.00 — Only 2 left
$150.00
Only 3 left
Longevity

Humanin

Typically studied forMitochondrial-derived peptide research; cytoprotection and neurodegeneration models.

10mg — $557.00 — Only 3 left
$557.00
Only 4 left
Longevity

Kisspeptin-10

Typically studied forReproductive neuropeptide research; GnRH pulse and fertility-axis models.

$92.00
Only 4 left
Longevity

MOTS-c

Typically studied forMitochondrial peptide research; metabolic regulation and exercise-mimetic studies.

$117.00
Only 2 left
Longevity

NAD+

Typically studied forCoenzyme research; mitochondrial function, sirtuin, and cellular energy studies.

$45.00
Only 4 left
Longevity

Orexin A

Typically studied forOrexin neuropeptide research; sleep-wake regulation and metabolic signaling.

10mg — $1,167.00 — Only 4 left
$1,167.00
Only 2 left
Longevity

Orexin B

Typically studied forOrexin neuropeptide research; wakefulness, appetite, and energy-balance studies.

$234.00
Only 2 left
Longevity

Oxytocin Acetate

Typically studied forNeuropeptide hormone research; social bonding, stress, and reproductive studies.

$49.00
Only 2 left
Longevity

P21 (P021)

Typically studied forCNTF mimetic research; neurogenesis and cognitive-recovery models.

5mg — $617.00 — Only 2 left
$617.00
Only 2 left
Longevity

PE-22-28

Typically studied forTREK-1 channel modulator research; antidepressant and neuroplasticity models.

5mg — $77.00 — Only 2 left
$77.00
Only 3 left
Longevity

Pinealon

Typically studied forBioregulator tetrapeptide research; pineal function and circadian rhythm models.

$67.00
Only 3 left
Longevity

Selank

Typically studied forAnxiolytic peptide research; GABA modulation and cognitive-stress studies.

$72.00
Only 2 left
Longevity

Semax

Typically studied forNootropic peptide research; BDNF, cognition, and neuroprotection models.

$72.00
Only 3 left
Longevity

SLU-PP-322

Typically studied forERR agonist research; mitochondrial biogenesis and endurance-metabolism studies.

5mg — $265.00 — Only 3 left
$265.00
Only 4 left
Longevity

SS-31 (Elamipretide)

Typically studied forMitochondrial-targeted peptide research; cardiolipin and cellular-energy models.

$147.00
Only 2 left
Longevity

Thymalin

Typically studied forThymic peptide research; immune reconstitution and aging-immunity studies.

10mg — $115.00 — Only 2 left
$115.00
Only 2 left
Longevity

Thymosin Alpha-1

Typically studied forImmune-modulating peptide research; T-cell function and antiviral models.

$167.00
Only 2 left
Longevity

Triptorelin Acetate

Typically studied forGnRH agonist research; testosterone suppression and reproductive studies.

2mg — $72.00 — Only 2 left
$72.00
Only 2 left
Longevity

VIP (Vasoactive Intestinal Peptide)

Typically studied forNeuropeptide research; anti-inflammatory and gut-brain axis studies.

$134.00
Only 3 left
Longevity

Vitamin B-12 (Methylcobalamin)

Typically studied forCofactor research; methylation, nerve function, and erythropoiesis studies.

10mg — $47.00 — Only 3 left
$47.00

Healing & recovery

Only 4 left
Recovery

ARA-290 (Cibinetide)

Typically studied forErythropoietin-derived peptide research; neuropathy and tissue-protection studies.

$159.00
Only 3 left
Recovery

BPC-157

Typically studied forGastric pentadecapeptide research; tissue repair, angiogenesis, and gut-healing models.

$45.00
Only 2 left
Recovery

BPC-157 10mg + GHK-Cu 50mg + TB-500 10mg (blend)

Typically studied forTriple repair stack; collagen, copper-peptide, and migration research.

70mg — $325.00 — Only 2 left
$325.00
Only 2 left
Recovery

BPC-157 10mg + TB-500 10mg (blend)

Typically studied forHigh-dose repair blend; advanced musculoskeletal recovery models.

20mg — $320.00 — Only 2 left
$320.00
Only 2 left
Recovery

BPC-157 5mg + TB-500 5mg (blend)

Typically studied forSynergistic repair-peptide blend; combined tissue-regeneration research.

10mg — $167.00 — Only 2 left
$167.00
Only 3 left
Recovery

GLOW (BPC + TB + GHK-Cu blend)

Typically studied forRegenerative cosmetic-research blend; skin repair and collagen pathway studies.

70mg — $297.00 — Only 3 left
$297.00
Only 3 left
Recovery

KLOW (GHK-Cu 50 + TB 10 + BPC 10 + KPV 10)

Typically studied forAnti-inflammatory repair stack; skin, gut, and tissue-recovery research.

80mg — $359.00 — Only 3 left
$359.00
Only 4 left
Recovery

KPV

Typically studied forAlpha-MSH fragment research; anti-inflammatory and gut-barrier pathway studies.

$75.00
Only 3 left
Recovery

LL-37

Typically studied forCathelicidin antimicrobial peptide research; innate immunity and wound-defense models.

5mg — $177.00 — Only 3 left
$177.00
Only 4 left
Recovery

PNC-27

Typically studied forAnti-cancer peptide research; selective membrane-disruption tumor models.

5mg — $187.00 — Only 4 left
$187.00
Only 4 left
Recovery

TB-500 (Thymosin Beta-4 Acetate)

Typically studied forThymosin beta-4 research; cell migration, wound repair, and recovery pathways.

$134.00

Growth & performance

Only 4 left
Performance

ACE-031

Typically studied forActRIIB ligand trap research; muscle-mass and myostatin/activin pathway models.

1mg — $84.00 — Only 4 left
$84.00
Only 4 left
Performance

CJC-1295 (No DAC)

Typically studied forGHRH analog research; growth-hormone pulse and IGF-1 pathway studies.

$50.00
Only 3 left
Performance

CJC-1295 (with DAC)

Typically studied forLong-acting GHRH analog research; sustained GH-axis signaling models.

$130.00
Only 3 left
Performance

CJC-1295 No DAC 5mg + Ipamorelin 5mg (blend)

Typically studied forGH secretagogue blend; pulsatile growth-hormone release research.

10mg — $157.00 — Only 3 left
$157.00
Only 4 left
Performance

EPO

Typically studied forErythropoietin research; red-blood-cell production and endurance physiology studies.

3000iu — $117.00 — Only 4 left
$117.00
Only 2 left
Performance

Follistatin 344

Typically studied forMyostatin/activin inhibitor research; muscle hypertrophy and strength models.

1mg — $434.00 — Only 2 left
$434.00
Only 4 left
Performance

GDF-8

Typically studied forMyostatin inhibitor research; muscle-growth suppression pathway studies.

1mg — $359.00 — Only 4 left
$359.00
Only 4 left
Performance

GHRP-2

Typically studied forGrowth-hormone releasing peptide research; GH/IGF-1 axis stimulation studies.

$70.00
Only 2 left
Performance

GHRP-6

Typically studied forGH secretagogue research; appetite and growth-hormone release modeling.

$67.00
Only 2 left
Performance

Gonadorelin Acetate

Typically studied forGnRH research; LH/FSH stimulation and reproductive-axis studies.

$55.00
Only 4 left
Performance

HCG

Typically studied forGonadotropin research; testosterone restoration and fertility-axis studies.

$70.00
Only 3 left
Performance

Hexarelin Acetate

Typically studied forGHRP research; growth-hormone secretagogue and cardioprotective models.

$92.00
Only 3 left
Performance

HGH 191AA (Somatropin)

Typically studied forRecombinant growth-hormone research; IGF-1, recovery, and body-composition models.

$70.00
Only 2 left
Performance

HGH Fragment 176-191

Typically studied forHGH lipolytic fragment research; fat metabolism without full-GH effects.

$67.00
Only 3 left
Performance

HMG

Typically studied forGonadotropin research; FSH/LH stimulation and reproductive endocrinology models.

75iu — $130.00 — Only 3 left
$130.00
Only 2 left
Performance

IGF-1 LR3

Typically studied forLong-acting IGF-1 analog research; muscle growth and cellular anabolism models.

$72.00
Only 4 left
Performance

Ipamorelin

Typically studied forSelective GHRP research; clean GH release without cortisol/prolactin spikes.

$44.00
Only 4 left
Performance

MGF

Typically studied forMechano growth factor research; localized muscle repair and hypertrophy models.

2mg — $117.00 — Only 4 left
$117.00
Only 2 left
Performance

MK-677 (Ibutamoren)

Typically studied forOral ghrelin mimetic research; GH/IGF-1 and appetite pathway studies.

5mg — $25.00 — Only 2 left
$25.00
Only 4 left
Performance

PEG-MGF

Typically studied forPegylated MGF research; extended muscle-repair and satellite-cell studies.

2mg — $179.00 — Only 4 left
$179.00
Only 2 left
Performance

Sermorelin Acetate

Typically studied forGHRH(1-29) research; natural-pattern GH release and pituitary studies.

$84.00
Only 4 left
Performance

Tesamorelin

Typically studied forGHRH analog research; visceral fat reduction and GH-axis studies.

$87.00

Cosmetic research

Only 2 left
Cosmetic

AHK-Cu

Typically studied forCopper peptide research; hair-follicle and skin-regeneration studies.

50mg — $125.00 — Only 2 left
$125.00
Only 2 left
Cosmetic

GHK-Cu

Typically studied forCopper peptide research; collagen synthesis, skin remodeling, and wound-healing models.

$45.00
Only 3 left
Cosmetic

Glutathione

Typically studied forMaster antioxidant research; detoxification and oxidative-stress models.

600mg — $67.00 — Only 3 left
$67.00
Only 3 left
Cosmetic

L-Carnitine

Typically studied forAmino-acid derivative research; fatty-acid transport and mitochondrial energy studies.

$95.00
Only 2 left
Cosmetic

Matrixyl

Typically studied forPalmitoyl pentapeptide research; collagen signaling and anti-wrinkle models.

10mg — $70.00 — Only 2 left
$70.00
Only 4 left
Cosmetic

Melanotan I

Typically studied forAlpha-MSH analog research; melanogenesis and UV-protection pathway studies.

10mg — $100.00 — Only 4 left
$100.00
Only 2 left
Cosmetic

Melanotan II

Typically studied forMelanocortin agonist research; tanning, libido, and appetite-pathway models.

10mg — $100.00 — Only 2 left
$100.00
Only 2 left
Cosmetic

PT-141 (Bremelanotide)

Typically studied forMelanocortin agonist research; sexual-arousal and central nervous system models.

10mg — $117.00 — Only 2 left
$117.00
Only 2 left
Cosmetic

Snap-8

Typically studied forArgireline analog research; neuromuscular signaling and wrinkle-formation models.

10mg — $52.00 — Only 2 left
$52.00

Supplies

Only 2 left
Supplies

Acetic Acid Water 0.6%

Typically studied forReconstitution supply; diluent for peptide preparation in laboratory use.

$22.00
Only 3 left
Supplies

Bacteriostatic Water

Typically studied forReconstitution supply; sterile diluent for multi-dose peptide preparation.

$15.00

🔬 Lab-tested purity

Every batch is third-party tested for identity and purity, with documentation available on request.

💱 Local currency

Browse in your currency with live FX rates. Orders are charged securely in USD at checkout.

🚚 Tracked shipping

Free over $250. Every order ships with a carrier tracking number you can follow in real time.

🛡️ Secure crypto checkout

Pay with crypto via Coinbase or bank wire transfer. Every order gets a reference you can use to track status.

Frequently asked questions

What does PEPS UNKNOWN sell?

PEPS UNKNOWN is a research peptide supplier offering a curated catalog of high-purity peptides for qualified laboratory and in-vitro research. Products are not for human or veterinary use.

Who can purchase from PEPS UNKNOWN?

Buyers must be 21 or older and qualified researchers. An account is required to checkout. All products are sold strictly for laboratory research purposes.

What payment methods are accepted?

Checkout supports cryptocurrency via Coinbase Commerce (BTC, ETH, USDC, and more) and bank wire transfer. All charges settle in USD.

Does PEPS UNKNOWN offer free shipping?

Yes. Orders over $250 USD qualify for free shipping. Orders over $1,000 receive a 10% discount. Every shipment includes carrier tracking.

How are research peptides shipped?

Orders ship within 7–14 business days once payment is confirmed, with discreet tracked delivery. After fulfillment you receive a carrier and tracking number on the Track Order page.

How do I contact PEPS UNKNOWN?

Visit the Contact page at pepsunknown.com/contact or email admin@pepsunknown.com with your order reference and checkout email for tracking and support.

Are PEPS UNKNOWN peptides tested for purity?

Every batch is third-party tested for identity and purity. Documentation is available on request for qualified research buyers.

Can I track my peptide order?

Yes. Use the Track Order page with your order reference and email to see fulfillment status and tracking details.

Is there a peptide reconstitution calculator?

Yes. The Research Cycle Calculator helps you plan vial concentrations and dosing volumes for laboratory protocols.