Browse Compounds
Search compounds by type, category, or functionality. Every listing has lab-verified purity data.
5-Amino-1MQ
A small molecule inhibitor of NNMT (nicotinamide N-methyltransferase). Increases NAD+ levels, activates sirtui…
Abaloparatide (Tymlos)
A 34-amino acid synthetic analog of parathyroid hormone-related protein (PTHrP). FDA-approved for postmenopaus…
Ac-SDKP (Goralatide)
A natural tetrapeptide released from thymosin beta-4 by prolyl oligopeptidase. Potent anti-fibrotic peptide th…
ACE-031
A soluble form of activin receptor type IIB fused to IgG1-Fc. Acts as a myostatin/activin trap to promote musc…
Acetyl Hexapeptide-8 (Argireline)
A synthetic hexapeptide that inhibits SNARE complex formation, reducing neuromuscular junction activity. Marke…
Acetyl Tetrapeptide-5 (Eyeseryl)
A tetrapeptide designed to reduce under-eye puffiness and dark circles by improving lymphatic circulation and …
ACTH (Corticotropin)
A 39-amino acid polypeptide hormone from the anterior pituitary derived from POMC. Stimulates cortisol and and…
Actinomycin D (Dactinomycin)
A peptide antibiotic from Streptomyces parvullus. FDA-approved anticancer agent for Wilms tumor, rhabdomyosarc…
Adipotide (FTPP)
A chimeric peptide that targets prohibitin on blood vessels supplying white adipose tissue, then delivers a pr…
Adropin
A 76-amino acid secreted peptide encoded by the energy homeostasis associated gene (ENHO). Regulates lipid and…
Afamelanotide (Scenesse)
A synthetic 13-amino acid alpha-MSH analog. FDA/EMA-approved as subcutaneous implant for erythropoietic protop…
AHK-Cu (Alanyl-Histidyl-Lysine Copper)
A tripeptide similar to GHK but with alanine replacing glycine. Forms copper complexes that stimulate collagen…
Alarelin
A synthetic GnRH agonist primarily used in aquaculture for induced spawning in fish. Also used in veterinary r…
Albiglutide (Tanzeum)
A once-weekly GLP-1 receptor agonist created by fusing two GLP-1 molecules to albumin. Was FDA-approved for ty…
alpha-MSH
Alpha-melanocyte-stimulating hormone is a 13-amino acid endogenous neuropeptide derived from POMC. Regulates s…
Amylin (IAPP)
A 37-amino acid peptide co-secreted with insulin from pancreatic beta cells. Slows gastric emptying, suppresse…
ANG1005 (Paclitaxel Trevatide)
A peptide-drug conjugate using Angiopep-2 (LRP1-targeting peptide) to cross the blood-brain barrier carrying t…
Angiotensin II
An 8-amino acid peptide hormone that is the primary effector of the renin-angiotensin system. Causes potent va…
ANP (Atrial Natriuretic Peptide)
A 28-amino acid peptide hormone produced by atrial cardiomyocytes in response to stretching. Promotes natriure…
AOD-9604
A modified 16-amino acid fragment (176-191) of human growth hormone with an N-terminal tyrosine. Activates bet…
Apamin
An 18-amino acid neurotoxic peptide from bee venom. Highly selective blocker of small-conductance calcium-acti…
Apelin-13
A 13-amino acid peptide that is the endogenous ligand for the APJ receptor. Potent cardiovascular effects incl…
Argireline (Acetyl Hexapeptide-8)
A synthetic hexapeptide that inhibits SNARE complex formation, reducing neuromuscular junction signaling. Ofte…
AT7687
A first-in-class GIP receptor antagonist peptide by Antag Therapeutics. Phase 1 completed, Phase 2a expected m…
Atosiban (Tractocile)
A synthetic nonapeptide oxytocin/vasopressin receptor antagonist. EMA-approved for tocolysis (delaying preterm…
Beta-Endorphin
A 31-amino acid endogenous opioid neuropeptide derived from POMC. The most potent endogenous opioid. Released …
Bivalirudin (Angiomax)
A 20-amino acid synthetic peptide analog of hirudin from medicinal leech saliva. FDA-approved direct thrombin …
Bivalirudin analog (Angiomax)
A 20-amino acid synthetic peptide that directly inhibits thrombin. Originally based on hirudin from medicinal …
Bleomycin
A glycopeptide antibiotic from Streptomyces verticillus with antineoplastic activity. FDA-approved for Hodgkin…
BNP (Brain Natriuretic Peptide)
A 32-amino acid peptide hormone secreted by the heart ventricles in response to volume overload. Primary bioma…
Bortezomib (Velcade)
A modified dipeptidyl boronic acid proteasome inhibitor. FDA-approved for multiple myeloma and mantle cell lym…
BPC-157
Body Protection Compound-157 is a pentadecapeptide derived from human gastric juice protein. Promotes angiogen…
BPC-157 / TB-500 Blend
The BPC-157 and TB-500 combination targets tissue repair through complementary mechanisms. BPC-157 promotes an…
Bradykinin
A 9-amino acid vasoactive peptide involved in inflammation, vasodilation, pain, and vascular permeability. Pro…
Buserelin (Suprefact)
A synthetic GnRH agonist used in veterinary reproduction for synchronization of ovulation in cattle and aquacu…
C-type Natriuretic Peptide (CNP)
A 22-amino acid peptide primarily produced by vascular endothelium and brain. Acts locally as an autocrine/par…
Cagrilintide
A long-acting acylated amylin analog from Novo Nordisk. Once-weekly dosing. Component of CagriSema combination…
CagriSema
A combination of cagrilintide (long-acting amylin analog) and semaglutide. Phase 3 REDEFINE-1 showed 20.4% wei…
Calcitonin (salmon)
A 32-amino acid peptide hormone that inhibits osteoclast activity and reduces blood calcium. Salmon calcitonin…
Calcitonin Gene-Related Peptide (CGRP)
A 37-amino acid neuropeptide involved in migraine pathophysiology and vasodilation. Anti-CGRP antibodies (eren…
Captopril (derived)
Developed from bradykinin-potentiating peptides in pit viper (Bothrops jararaca) venom. The first ACE inhibito…
Carfilzomib (Kyprolis)
A synthetic tetrapeptide epoxyketone proteasome inhibitor. FDA-approved for relapsed/refractory multiple myelo…
Catestatin
A 21-amino acid peptide derived from chromogranin A processing. Inhibits catecholamine release from adrenal ch…
Cecropin A
An alpha-helical antimicrobial peptide first isolated from cecropia moth (Hyalophora cecropia) hemolymph. One …
Cerebrolysin
A mixture of low-molecular-weight neuropeptides and free amino acids derived from porcine brain. Studied for A…
Cetrorelix (Cetrotide)
A synthetic decapeptide GnRH antagonist used in assisted reproduction to prevent premature LH surges during co…
Chlorotoxin
A 36-amino acid peptide from deathstalker scorpion (Leiurus quinquestriatus) venom. Binds selectively to gliom…
Cholecystokinin (CCK-8)
An 8-amino acid C-terminal fragment of cholecystokinin. Functions as a satiety signal, stimulates bile and pan…
Cilengitide
A synthetic cyclic RGD pentapeptide that inhibits integrins alphavbeta3 and alphavbeta5. Reached Phase 3 for g…
CJC-1295 (with DAC)
A synthetic GHRH analog with four amino acid substitutions for stability plus a Drug Affinity Complex (DAC) th…
CJC-1295 / Ipamorelin Blend
The CJC-1295/Ipamorelin combination is one of the most widely used growth hormone releasing peptide stacks. CJ…
CLV3 (CLAVATA3)
A 12-amino acid CLE peptide that regulates stem cell homeostasis in plant shoot apical meristems. Binds CLV1 r…
Cobratide
An analgesic peptide derived from Chinese cobra (Naja naja atra) venom. Approved in China for pain management.…
Colistin (Polymyxin E)
A cyclic lipopeptide antibiotic of last resort for multidrug-resistant Gram-negative infections. From Paenibac…
Collagen Tripeptide (Gly-Pro-Hyp)
The most abundant tripeptide motif in collagen (10.5% of sequence). Orally ingested from hydrolyzed collagen, …
Conantokin-G
A sleeper peptide from geographic cone snail that selectively antagonizes NMDA receptors (NR2B subunit). Conta…
Copper Peptide GHK (without copper)
The free tripeptide form of GHK without copper chelation. Has independent signaling activity in gene regulatio…
Cortexin
A polypeptide mixture derived from porcine cerebral cortex. Approved in Russia for various neurological condit…
Cortistatin-14
A neuropeptide structurally similar to somatostatin but with distinct biological activities. Selectively expre…
Cosyntropin (Cortrosyn)
Synthetic peptide corresponding to the first 24 amino acids of ACTH. FDA-approved diagnostic agent for adrenal…
Cyclosporine A
A cyclic undecapeptide from the fungus Tolypocladium inflatum. FDA-approved immunosuppressant for organ transp…
Daptomycin (Cubicin)
A 13-amino acid cyclic lipopeptide antibiotic from Streptomyces roseosporus. FDA-approved for complicated skin…
Dasiglucagon (Zegalogue)
A glucagon analog in a ready-to-use autoinjector. FDA-approved (2021) for severe hypoglycemia in diabetes pati…
Defensin HBD-1
Human beta-defensin 1, a constitutively expressed antimicrobial peptide found in epithelial tissues. Part of t…
Degarelix (Firmagon)
A synthetic decapeptide GnRH antagonist. FDA-approved for advanced prostate cancer. Unlike GnRH agonists, prod…
Deslorelin (Suprelorin)
A synthetic GnRH agonist used in veterinary medicine for chemical castration in dogs, cats, and ferrets via su…
Desmopressin (DDAVP)
A synthetic analog of vasopressin with enhanced antidiuretic potency and minimal vasopressor effect. FDA-appro…
Difelikefalin (Korsuva)
A selective peripherally-restricted kappa opioid receptor agonist. FDA-approved (2021) for pruritus in hemodia…
Dihexa
A hexapeptide derived from angiotensin IV that binds hepatocyte growth factor with high affinity. Activates c-…
DSIP (Delta Sleep-Inducing Peptide)
A 9-amino acid neuropeptide that induces delta wave sleep and has analgesic properties via endogenous opioid p…
Dulaglutide (Trulicity)
A once-weekly GLP-1 receptor agonist fused to an IgG4 Fc fragment for extended half-life. FDA-approved for typ…
Dynorphin A
A 17-amino acid endogenous opioid peptide that is the primary ligand for kappa opioid receptors. Involved in p…
Ecnoglutide
A long-acting GLP-1 receptor agonist by Sciwind Biosciences. Designed for once-monthly subcutaneous injection …
Efinopegdutide
A PEGylated dual GLP-1 and glucagon receptor agonist by MSD/Hanmi. Phase 2 for obesity and NASH showed signifi…
Endothelin-1
A 21-amino acid peptide and the most potent known vasoconstrictor. Produced by endothelial cells. Endothelin r…
Enfuvirtide (Fuzeon)
A 36-amino acid synthetic peptide that inhibits HIV-1 fusion with host cells by binding to gp41. FDA-approved …
Enfuvirtide (Fuzeon) T-20
A 36-amino acid synthetic peptide that blocks HIV-1 fusion with host cell membranes. The first FDA-approved fu…
Enkephalin (Met-Enkephalin)
A 5-amino acid endogenous opioid peptide that binds delta and mu opioid receptors. One of the bodys natural pa…
Epitalon (Epithalon)
A synthetic tetrapeptide (Ala-Glu-Asp-Gly) developed by Khavinson. Activates telomerase to elongate telomeres.…
Epithalon (Epitalon)
Epithalon is a synthetic tetrapeptide (Ala-Glu-Asp-Gly) based on the natural peptide epithalamin produced by t…
Eptifibatide (Integrilin)
A cyclic heptapeptide derived from southeastern pygmy rattlesnake (Sistrurus miliarius) venom protein barbouri…
Etelcalcetide (Parsabiv)
A synthetic peptide that activates the calcium-sensing receptor to reduce parathyroid hormone secretion. FDA-a…
Exenatide
A synthetic version of exendin-4 from Gila monster saliva. FDA-approved as Byetta (twice daily) and Bydureon (…
Exendin-4 (Gila monster)
A 39-amino acid peptide from Heloderma suspectum (Gila monster) saliva. The parent molecule of exenatide and l…
FGL (FG Loop peptide)
A 15-amino acid peptide derived from the second fibronectin type III module of NCAM. Activates FGFR and promot…
Flg22 (Flagellin Fragment)
A 22-amino acid peptide from bacterial flagellin that triggers plant innate immunity through the FLS2 receptor…
Follistatin 344
A 344-amino acid glycoprotein that binds and neutralizes activin and myostatin. Myostatin inhibition leads to …
FOXO4-DRI
A 43-amino acid D-retro-inverso peptide that disrupts the FOXO4-p53 interaction in senescent cells, forcing p5…
Galanin
A 30-amino acid neuropeptide involved in pain modulation, feeding behavior, cognition, mood, and neuroendocrin…
Gallium-68 DOTATOC
A somatostatin receptor-targeting peptide conjugated to gallium-68 for PET/CT imaging of neuroendocrine tumors…
Ganirelix (Orgalutran)
A synthetic decapeptide GnRH antagonist used in fertility treatments to prevent premature ovulation. Provides …
GHK (without copper)
The tripeptide glycyl-histidyl-lysine without copper complexation. Found in human plasma at ~200 ng/mL in yout…
GHK-Cu (Copper Peptide)
A naturally occurring copper-complexed tripeptide (glycyl-histidyl-lysine) found in human plasma. Promotes col…
Ghrelin
A 28-amino acid peptide primarily produced by the stomach. The only known orexigenic (appetite-stimulating) gu…
GHRP-1
The first-generation growth hormone releasing peptide. Precursor compound from which ipamorelin was derived. L…
GHRP-2 (Pralmorelin)
A synthetic hexapeptide growth hormone releasing peptide that acts on the ghrelin receptor to stimulate GH rel…
GHRP-6
A synthetic hexapeptide that stimulates growth hormone release by acting on the ghrelin receptor. Known for st…
GIP (Glucose-dependent Insulinotropic Polypeptide)
A 42-amino acid incretin hormone from intestinal K-cells. Stimulates insulin secretion and is involved in fat …
Glatiramer Acetate (Copaxone)
A random polymer of four amino acids (Glu, Ala, Lys, Tyr) that mimics myelin basic protein. FDA-approved for r…
GLP-1 (7-36) Amide (native)
The endogenous active form of glucagon-like peptide-1, a 30-amino acid incretin hormone. Secreted by intestina…
GLP-2 (native)
The endogenous 33-amino acid intestinotrophic peptide. Parent molecule of teduglutide. Promotes intestinal muc…
Glucagon
A 29-amino acid peptide hormone produced by pancreatic alpha cells. Counter-regulatory to insulin, raising blo…
Gonadorelin (GnRH)
A synthetic decapeptide identical to endogenous gonadotropin-releasing hormone. Stimulates LH and FSH release …
Goserelin
A synthetic GnRH agonist. FDA-approved as Zoladex implant for prostate cancer, breast cancer, endometriosis, a…
Hexarelin (Examorelin)
A synthetic hexapeptide GH secretagogue and one of the strongest GHRPs. Stimulates robust GH release but also …
HGH Fragment 176-191
The unmodified C-terminal fragment (amino acids 176-191) of human growth hormone. Retains the lipolytic activi…
Hi1a (Funnel-web Spider)
A 75-amino acid double-knot peptide from Australian funnel-web spider (Hadronyche infensa). Blocks acid-sensin…
Histatin 5
A 24-amino acid histidine-rich peptide from human saliva. The most potent member of the histatin family agains…
Histrelin (Vantas/Supprelin)
A synthetic nonapeptide GnRH agonist available as a subcutaneous implant. FDA-approved for central precocious …
Humanin
A 24-amino acid mitochondrial-derived peptide from the 16S rRNA region. Protects against Alzheimer amyloid-bet…
Icatibant (Firazyr)
A synthetic decapeptide bradykinin B2 receptor antagonist. FDA-approved for acute attacks of hereditary angioe…
IGF-1 DES (1-3)
A truncated form of IGF-1 lacking the first 3 N-terminal amino acids. Has 10x higher potency than standard IGF…
IGF-1 LR3
A modified version of insulin-like growth factor 1 with an arginine substitution at position 3 and a 13-amino …
Imeglimin
First-in-class mitochondrial bioenergetics modulator. Approved in Japan (Twymeeg) for type 2 diabetes. Enhance…
Indolicidin
A 13-amino acid tryptophan-rich antimicrobial peptide from bovine neutrophils. One of the shortest known natur…
Insulin
A 51-amino acid peptide hormone (A-chain: 21 AA, B-chain: 30 AA) produced by pancreatic beta cells. The master…
Ipamorelin
A selective pentapeptide ghrelin receptor agonist that stimulates growth hormone release without significantly…
Irisin
A myokine derived from FNDC5 protein, released from skeletal muscle during exercise. Converts white adipose ti…
Kalata B1
A 29-amino acid cyclotide from Oldenlandia affinis with a head-to-tail cyclized backbone and cystine knot. Dis…
Kisspeptin-10
A decapeptide fragment of kisspeptin that sits upstream of GnRH in the reproductive cascade. Initiates puberty…
Kisspeptin-54 (Metastin)
The full-length kisspeptin peptide from the KiSS-1 gene. Named metastin for its metastasis-suppressor activity…
KPV
A tripeptide (Lys-Pro-Val) derived from alpha-MSH. Potent anti-inflammatory that inhibits NF-kB signaling. Gai…
Lactoferricin B
A 25-amino acid peptide derived from pepsin digestion of bovine lactoferrin. More potent antimicrobial activit…
Lanreotide (Somatuline)
A long-acting synthetic somatostatin analog. FDA-approved for acromegaly and gastroenteropancreatic neuroendoc…
Larazotide Acetate
An 8-amino acid synthetic peptide that restores intestinal barrier function by regulating tight junctions. In …
Leptin
A 167-amino acid hormone produced by adipose tissue that signals energy reserves to the brain. Regulates appet…
Leu-Enkephalin
A 5-amino acid endogenous opioid peptide with leucine at position 5 instead of methionine. Preferentially bind…
Leuphasyl (Pentapeptide-18)
A pentapeptide that mimics natural enkephalins. Reduces acetylcholine release responsible for muscle contracti…
Leuprolide (Leuprorelin)
A synthetic GnRH agonist nonapeptide. FDA-approved as Lupron for prostate cancer, endometriosis, uterine fibro…
LHRH (Gonadotropin analog for targeting)
LHRH agonist peptides used as carrier molecules to target LHRH receptors expressed in ~80% of endometrial, ova…
Linaclotide (Linzess)
A 14-amino acid peptide that activates guanylate cyclase-C receptors. FDA-approved for IBS-C and chronic idiop…
Liraglutide
A once-daily GLP-1 receptor agonist with 97% homology to native GLP-1. FDA-approved as Victoza (diabetes) and …
Lixisenatide
A once-daily GLP-1 receptor agonist derived from exendin-4. FDA-approved as Adlyxin for type 2 diabetes. Also …
LL-37 (Cathelicidin)
The only human cathelicidin antimicrobial peptide. A 37-amino acid peptide with broad-spectrum antibacterial, …
Lutetium-177 DOTATATE (Lutathera)
A somatostatin analog (DOTA-TATE) labeled with Lutetium-177 for peptide receptor radionuclide therapy. FDA-app…
Lutetium-177 vipivotide tetraxetan (Pluvicto)
A PSMA-targeted radioligand therapy. FDA-approved (2022) for PSMA-positive metastatic castration-resistant pro…
Macimorelin (Macrilen)
An oral GH secretagogue peptidomimetic. FDA-approved as an oral diagnostic test for adult GH deficiency. Stimu…
Magainin 2
An antimicrobial peptide from skin of African clawed frog (Xenopus laevis). Discovered by Michael Zasloff in 1…
Margatoxin (MgTx)
A highly selective Kv1.3 potassium channel blocker from Central American bark scorpion (Centruroides margarita…
MariTide (Maridebart Cafraglutide)
A once-monthly injectable antibody-peptide conjugate from Amgen combining GIP receptor antagonism with GLP-1 a…
Mastoparan
A 14-amino acid tetradecapeptide from wasp (Vespula lewisii) venom. Activates G proteins, stimulates mast cell…
Matrixyl (Palmitoyl Pentapeptide-4)
A lipopeptide that mimics broken-down collagen fragments (matrikines) to signal skin cells to produce more col…
Matrixyl 3000 (Pal-GHK + Pal-GQPR)
A blend of palmitoyl tripeptide-1 (pal-GHK) and palmitoyl tetrapeptide-7 (pal-GQPR). Synergistic collagen-boos…
Mechano Growth Factor (MGF)
A splice variant of IGF-1 produced in response to mechanical stress on muscle tissue. Stimulates satellite cel…
Melanotan I (Afamelanotide)
A synthetic tridecapeptide analog of alpha-MSH that selectively agonizes the MC1 receptor. FDA-approved as Sce…
Melanotan II
Melanotan II is a synthetic analog of alpha-melanocyte stimulating hormone (alpha-MSH). It activates melanocor…
Melanotan II
A synthetic cyclic heptapeptide analog of alpha-MSH that non-selectively agonizes MC1, MC3, MC4, and MC5 recep…
Melflufen (Pepaxti)
A peptide-drug conjugate with a dipeptide linked to alkylating agent melphalan. FDA-approved (2021, later with…
Melittin
The principal toxic peptide in European honeybee venom, comprising 50% of dry venom. A 26-amino acid amphipath…
Microcin J25 (Lasso Peptide)
A naturally occurring lasso peptide from E. coli with a unique threaded topology. The C-terminal tail is threa…
MK-677 (Ibutamoren)
An orally active non-peptide ghrelin receptor agonist that increases GH and IGF-1 levels. Improves sleep quali…
Modified GRF 1-29 (CJC-1295 no DAC)
A modified 29-amino acid GHRH analog with four stabilizing substitutions (D-Ala2, Gln8, Ala15, Leu27) but with…
Motixafortide (Aphexda)
First peptide CXCR4 antagonist approved for stem cell mobilization in multiple myeloma patients. Blocks the CX…
MOTS-c
A 16-amino acid mitochondrial-derived peptide encoded in the 12S rRNA region. Acts as an exercise mimetic, imp…
Mots-c analog (CB4211)
A clinical-stage MOTS-c analog from CohBar Inc. being developed for NASH and obesity. Designed to replicate th…
N-Acetyl Selank Amidate
A stabilized version of Selank with acetylation and amidation modifications. Enhanced bioavailability and long…
N-Acetyl Semax Amidate (NASA)
A modified version of Semax with N-terminal acetylation and C-terminal amidation for enhanced stability and bi…
NAD+ (Nicotinamide Adenine Dinucleotide)
NAD+ is a critical coenzyme found in every cell, essential for energy metabolism, DNA repair, and sirtuin acti…
NaD1 (Plant Defensin)
A 47-amino acid plant defensin from Nicotiana alata (ornamental tobacco) flowers. Potent antifungal activity b…
Nafarelin
A synthetic GnRH agonist. FDA-approved as Synarel nasal spray for endometriosis and central precocious puberty…
Nesfatin-1
An 82-amino acid anorexigenic peptide derived from nucleobindin-2 (NUCB2). Discovered in 2006. Reduces food in…
Nesiritide
Recombinant human BNP. Was FDA-approved (2001) for acute decompensated heart failure but fell out of use after…
Neuromedin U
A 25-amino acid neuropeptide involved in appetite suppression, energy homeostasis, stress response, and circad…
Neuropeptide Y (NPY)
A 36-amino acid peptide that is one of the most abundant neuropeptides in the brain. Plays key roles in appeti…
Neurotensin
A 13-amino acid neuropeptide found in the brain and GI tract. Modulates dopamine signaling, pain perception, b…
Nisin
A 34-amino acid lantibiotic produced by Lactococcus lactis. FDA-approved as a food preservative (E234). Being …
Nociceptin/Orphanin FQ
A 17-amino acid neuropeptide and endogenous ligand of the NOP (ORL1) receptor. Despite structural similarity t…
Noopept (GVS-111)
A synthetic dipeptide-derived nootropic (N-phenylacetyl-L-prolylglycine ethyl ester). Not technically a peptid…
Obestatin
A 23-amino acid peptide derived from the same preproghrelin gene as ghrelin but with opposite effects. Initial…
Octreotide (Sandostatin)
A synthetic octapeptide analog of somatostatin with improved half-life (90-120 min vs 2-3 min). FDA-approved f…
Oligopeptide-20 (Leuphasyl-derivative)
A synthetic peptide that acts as an enkephalin receptor antagonist to reduce muscle contraction. Used in anti-…
Omega-conotoxin GVIA
A 27-amino acid peptide from Conus geographus that selectively blocks N-type calcium channels. A foundational …
Omiganan (MBI-226)
A 12-amino acid synthetic derivative of indolicidin from bovine neutrophils. In late-stage clinical developmen…
Orexin-A (Hypocretin-1)
A 33-amino acid neuropeptide that regulates wakefulness, arousal, and appetite. Loss of orexin neurons causes …
Orexin-B (Hypocretin-2)
A 28-amino acid neuropeptide involved in arousal, wakefulness, and appetite regulation. Orexin neuron loss cau…
Orforglipron
First-in-class oral small-molecule non-peptide GLP-1 receptor agonist from Eli Lilly (Foundayo). Does not requ…
Osteocrin (Musclin)
A bone- and muscle-derived peptide that binds natriuretic peptide clearance receptor (NPR-C), preventing degra…
Oxytocin
A 9-amino acid cyclic peptide hormone produced in the hypothalamus. Regulates social bonding, trust, parturiti…
P-15 (PepGen)
A 15-amino acid synthetic peptide representing the cell-binding domain of type I collagen. FDA-cleared bone gr…
P21 (Cerebrolysin-derived)
A synthetic tetrapeptide derived from the active region of CNTF (ciliary neurotrophic factor) found in Cerebro…
Palmitoyl Tetrapeptide-7
A lipopeptide composed of four amino acids (Gly-Gln-Pro-Arg) conjugated to palmitic acid. Reduces IL-6 secreti…
Palmitoyl Tripeptide-1
A lipopeptide of GHK (glycine-histidine-lysine) attached to palmitic acid for enhanced skin penetration. Mimic…
Palmitoyl Tripeptide-38 (Matrixyl Morphomics)
A lipopeptide that mimics the mechanism of action of matrikines to restore skin matrix architecture. Stimulate…
Palmitoyl Tripeptide-5 (Syn-Coll)
A lipopeptide that mimics thrombospondin-1 to activate TGF-beta, stimulating collagen production. Promotes typ…
Pasireotide (Signifor)
A cyclohexapeptide somatostatin analog with high affinity for SSTR1,2,3,5. FDA-approved for Cushings disease a…
PE-22-28
PE-22-28 is a synthetic peptide derived from the spadin analog of sortilin. It acts as a TREK-1 channel blocke…
Pegcetacoplan (Empaveli)
A PEGylated cyclic peptide that binds complement C3. FDA-approved for paroxysmal nocturnal hemoglobinuria (PNH…
Pemvidutide
A dual GLP-1/glucagon receptor agonist by Altimmune for obesity and NASH/MASH. The glucagon component increase…
Penetratin (pAntp 43-58)
A 16-amino acid peptide from the third helix of Drosophila Antennapedia homeodomain. The second major CPP disc…
Pentetreotide (OctreoScan)
Indium-111-labeled octreotide analog for scintigraphic imaging of somatostatin receptor-positive tumors. The o…
Pentosan Polysulfate (PPS)
A semi-synthetic sulfated polysaccharide derived from beechwood hemicellulose. FDA-approved (Elmiron) for inte…
Pexiganan (MSI-78)
A 22-amino acid synthetic analog of magainin 2 (from African clawed frog skin). Developed as topical antibioti…
pHLIP (pH-Low Insertion Peptide)
A peptide derived from bacteriorhodopsin helix C that inserts into cell membranes only at acidic pH (below 7.0…
Pinealon
A synthetic tripeptide (Glu-Asp-Arg) developed by Khavinson as a brain-targeted bioregulator. Proposed to modu…
Plecanatide (Trulance)
A 16-amino acid peptide analog of uroguanylin. FDA-approved for chronic idiopathic constipation and IBS-C. Act…
Pramlintide (Symlin)
A synthetic analog of amylin, a 37-amino acid peptide co-secreted with insulin. FDA-approved as adjunct to ins…
Preptin
A 34-amino acid peptide derived from proIGF-II processing in pancreatic beta cells. Co-secreted with insulin a…
Pro-Hyp (Prolyl-Hydroxyproline)
The primary bioactive collagen-derived dipeptide detected in blood after collagen hydrolysate ingestion. Stimu…
Protegrin-1
An 18-amino acid beta-hairpin antimicrobial peptide from porcine leukocytes. One of the most potent natural AM…
Prothymosin Alpha
A 109-amino acid highly acidic nuclear protein abundant in rapidly proliferating cells. Signals through Toll-l…
PT-141 (Bremelanotide)
A cyclic heptapeptide melanocortin receptor agonist derived from Melanotan II. FDA-approved (Vyleesi) for hypo…
PYY (Peptide YY)
A 36-amino acid peptide released by intestinal L-cells in response to food. Reduces appetite and food intake. …
RALF (Rapid Alkalinization Factor)
A family of plant peptides that cause rapid alkalinization of the extracellular space. Involved in plant immun…
Retatrutide
A first-in-class triple GIP/GLP-1/glucagon receptor agonist from Eli Lilly. Phase 3 trials show up to 28.7% we…
RGD Peptide (cyclic)
Cyclic Arg-Gly-Asp peptides that target integrin receptors (alphavbeta3/alphavbeta5) overexpressed on tumor va…
Romidepsin (Istodax)
A natural product cyclic depsipeptide isolated from Chromobacterium violaceum. FDA-approved HDAC inhibitor for…
Romiplostim (Nplate)
An Fc-peptide fusion protein (peptibody) that activates the thrombopoietin receptor to stimulate platelet prod…
Rotigaptide (ZP123)
A short hexapeptide containing D-amino acids that enhances gap junctional communication. In Phase II clinical …
Scorpine
A 75-amino acid dual-function peptide from emperor scorpion (Pandinus imperator) venom. Combines potassium cha…
Secretin
A 27-amino acid gastrointestinal peptide hormone and the first hormone ever identified (1902). FDA-approved as…
Selank
A synthetic heptapeptide derived from tuftsin with an added Pro-Gly-Pro sequence. Modulates serotonin, dopamin…
Semaglutide
A long-acting GLP-1 receptor agonist. FDA-approved as Ozempic/Wegovy (injectable) and Rybelsus (oral) for type…
Semax
A synthetic heptapeptide derived from ACTH(4-10) fragment developed in Russia. Increases BDNF levels and recep…
Sermorelin (GRF 1-29)
A 29-amino acid peptide representing the shortest fully functional fragment of endogenous GHRH. FDA-approved f…
Setmelanotide
A selective MC4R agonist. FDA-approved (Imcivree) for obesity due to POMC, PCSK1, or LEPR deficiency. First ta…
ShK-186 (Dalazatide)
A synthetic analog of ShK toxin from sea anemone Stichodactyla helianthus. Selectively blocks Kv1.3 potassium …
SHLP1 (Small Humanin-Like Peptide 1)
One of six small humanin-like peptides encoded in the mitochondrial genome 16S rRNA. Has insulin-sensitizing a…
SHLP2 (Small Humanin-Like Peptide 2)
One of six small humanin-like peptides encoded in the 16S rRNA region. Protects against amyloid-beta toxicity …
SHLP3 (Small Humanin-Like Peptide 3)
The most potent cytoprotective SHLP. Protects beta cells from apoptosis, improves insulin secretion, and inhib…
SHLP6 (Small Humanin-Like Peptide 6)
A small humanin-like peptide that promotes apoptosis (unlike other SHLPs which are cytoprotective). Being stud…
SNAP-8 (Acetyl Octapeptide-3)
An extended version of Argireline with 8 amino acids. Competitively inhibits SNAP-25 in SNARE complex formatio…
Somatostatin-14
A 14-amino acid cyclic peptide that inhibits release of GH, TSH, insulin, glucagon, and many GI hormones. Acts…
SS-20 (SBT-20)
A Szeto-Schiller mitochondria-targeted tetrapeptide that reduces ROS and normalizes electron transport without…
SS-31 (Elamipretide)
A synthetic tetrapeptide that targets cardiolipin in the inner mitochondrial membrane. Stabilizes electron tra…
Substance P
An 11-amino acid neuropeptide that functions as a neurotransmitter and neuromodulator. Involved in pain percep…
Survodutide
A dual glucagon/GLP-1 receptor agonist from Boehringer Ingelheim. In Phase 3 trials for obesity and MASH/NASH.…
Syn-Ake (Dipeptide Diaminobutyroyl Benzylamide)
A synthetic tripeptide that mimics Waglerin-1 from the Temple Viper. Acts as a reversible antagonist of muscul…
Systemin
An 18-amino acid plant peptide hormone discovered in tomato. The first peptide hormone identified in plants (1…
Taltirelin
A thyrotropin-releasing hormone (TRH) analog with increased CNS stimulatory action and longer half-life than T…
TAT Peptide (HIV-1 TAT 47-57)
An 11-amino acid arginine-rich peptide derived from HIV-1 transactivator of transcription protein. The first a…
Tat-Beclin 1
A cell-permeable autophagy-inducing peptide fusing HIV TAT cell-penetrating peptide with a Beclin 1 fragment. …
Tat-Beclin 1 D11 (Retro-Inverso)
A proteolysis-resistant retro-inverso version of Tat-Beclin 1 using D-amino acids. Dramatically improved stabi…
TB-500
A synthetic heptapeptide corresponding to amino acids 17-23 of thymosin beta-4. Promotes wound healing, cell m…
Teduglutide (Gattex)
A 33-amino acid GLP-2 analog. FDA-approved for short bowel syndrome. Promotes intestinal mucosal growth and re…
Teixobactin
A cyclic depsipeptide antibiotic discovered in 2015 from unculturable soil bacteria (Eleftheria terrae). Kills…
Teriparatide (Forteo)
The active 1-34 amino acid fragment of parathyroid hormone. FDA-approved for osteoporosis treatment. Unique am…
Tesamorelin
A 44-amino acid stabilized GHRH analog. FDA-approved (Egrifta) for HIV-associated lipodystrophy. Reduces visce…
Tesofensine
A triple monoamine reuptake inhibitor (serotonin, norepinephrine, dopamine) originally developed for Parkinson…
Thymalin
A thymic extract peptide preparation developed by Khavinson. Stimulates immunity and has demonstrated anticarc…
Thymopoietin (TP-5 / Thymopentin)
A synthetic pentapeptide corresponding to amino acids 32-36 of thymopoietin. Stimulates T-cell differentiation…
Thymosin Alpha-1 (Thymalfasin)
A 28-amino acid peptide naturally produced by the thymus. Approved in 35+ countries as Zadaxin for hepatitis B…
Thymosin Beta-4 (TB4)
A 43-amino acid naturally occurring peptide present in nearly all human tissues. The full-length parent molecu…
Thymulin (FTS)
A nonapeptide hormone produced by thymic epithelial cells. Requires zinc for biological activity. Promotes T-c…
Thymulin Zinc Complex (FTS-Zn)
The biologically active zinc-bound form of thymulin nonapeptide. Requires zinc for T-cell differentiation acti…
Tirzepatide
A dual glucose-dependent insulinotropic polypeptide (GIP) and GLP-1 receptor agonist. FDA-approved as Mounjaro…
TP-508 (Chrysalin)
A 23-amino acid peptide representing the receptor-binding domain of thrombin. Activates cellular repair pathwa…
Triptorelin
A synthetic GnRH agonist decapeptide. FDA-approved for prostate cancer, endometriosis, precocious puberty, and…
Trofinetide (Daybue)
A synthetic analog of the amino-terminal tripeptide of insulin-like growth factor 1 (IGF-1). First FDA-approve…
Urocortin 1
A 40-amino acid peptide in the corticotropin-releasing factor family. Binds both CRF1 and CRF2 receptors. Has …
Urocortin 2
A selective CRF2 receptor agonist. Phase 2 trials for heart failure showed improved cardiac output and reduced…
Urotensin-II
An 11-amino acid cyclic peptide and one of the most potent vasoconstrictors known, more potent than endothelin…
Vasoactive Intestinal Peptide (VIP)
A 28-amino acid peptide hormone that relaxes smooth muscle, causes vasodilation, and modulates immune function…
Vasopressin (ADH)
A 9-amino acid cyclic peptide hormone regulating water reabsorption, blood pressure, and social behavior. Diff…
Vilon
A synthetic dipeptide (Lys-Glu) representing the minimal active thymic sequence. Khavinson bioregulator for im…
Voclosporin (Lupkynis)
A novel calcineurin inhibitor derived from cyclosporine A. FDA-approved for lupus nephritis (2021). Modified a…
Vosoritide (Voxzogo)
A 39-amino acid analog of C-type natriuretic peptide. FDA-approved (2021) for achondroplasia in children 5+. S…
Zenagamtide (Amycretin)
A single-molecule dual GLP-1 and amylin receptor agonist by Novo Nordisk. Available in oral and subcutaneous f…
Ziconotide (Prialt)
A synthetic 25-amino acid peptide from cone snail (Conus magus) omega-conotoxin MVIIA. FDA-approved (2004) for…
Zilucoplan (Zilbrysq)
A complement C5 inhibitor approved for generalized myasthenia gravis. A macrocyclic peptide that prevents comp…
Showing 259 compounds