Research Compound Encyclopedia
Peptide Library
218+ compounds with mechanisms of action, verified research citations, and vendor comparisons.
218 compounds
Abaloparatide
BA058 · PTHrP analogue
PTHrP-derived peptide analogue with bone-anabolic properties studied in preclinical osteoporosis models.
AC-262536
AC262536 · partial AR agonist AC-262
Partial androgen receptor agonist studied for neuroprotection in Alzheimer's models and anabolic tissue selectivity.
ACE-031
ace031 · ramatercept · ACVR2B-Fc
Soluble ActRIIB decoy receptor studied for inhibiting myostatin pathway to increase muscle mass.
ACE-2 Mimetic Peptide
ace2 mimetic · ace-2 peptide · soluble ace2
ACE-2-derived peptide studied for modulating renin-angiotensin system and antiviral attachment inhibition.
Acetyl Hexapeptide-3
Argireline · AH3 · acetyl hexapeptide-8
SNAP-25 inhibitor peptide studied for its effects on facial muscle contraction and skin smoothing in cosmetic research.
Adamax
ada-max · dihexa analog · adamax peptide
HGF/c-Met pathway modulator studied as a potent cognitive enhancer related to the Dihexa scaffold.
Adiponectin Peptide
adiponectin · ACRP30 fragment · adipokine peptide
Adipokine-derived peptide studied for insulin sensitization and anti-inflammatory metabolic effects.
Adipsin
complement factor D · CFD
Adipose-secreted serine protease studied for insulin secretion, complement activation, and metabolic dysfunction.
Adrenomedullin
AM · ADM
Multifunctional peptide with vasodilatory, anti-inflammatory, and angiogenic properties studied across cardiovascular and sepsis models.
Alarelin
alarelin acetate · GnRH analogue alarelin
GnRH analogue studied for ovulation induction and endometriosis management.
Alpha-MSH
alpha-melanocyte-stimulating hormone · α-MSH · melanocortin peptide
POMC-derived melanocortin peptide that regulates appetite via MC4R and inflammation via MC1R; studied in obesity and neuroinflammation.
Amylin
islet amyloid polypeptide · IAPP · amylin peptide
Pancreatic peptide hormone co-secreted with insulin, studied for its roles in glucose regulation and islet amyloid formation.
Angiotensin 1-7
ang 1-7 · ang(1-7) · alamandine precursor
Vasoactive heptapeptide studied for cardiovascular protection and counter-regulation of the angiotensin axis.
Angiotensin II
Ang II · angiotensin-2
Vasoactive octapeptide central to the renin-angiotensin system; studied in cardiovascular, renal, and fibrotic disease models.
AOD-9604
aod9604 · aod 9604 · anti-obesity drug 9604
C-terminal fragment of hGH studied for lipolysis and fat-burning without IGF-1 elevation.
Apamin
bee venom apamin · SK channel blocker
Bee venom peptide that blocks small-conductance calcium-activated potassium channels; studied in memory and neurological models.
APC (Activated Protein C)
drotrecogin alfa · xigris · protein c fragment
Anticoagulant serine protease studied for cytoprotective and anti-inflammatory effects in critical illness.
Apelin
apelin-13 · apelin-36 · APLNR ligand
Endogenous APJ receptor ligand with cardioprotective and anti-hypertensive properties studied in heart failure and pulmonary hypertension.
Apelin-13
apelin 13 · APLNR ligand · apelin peptide
Endogenous ligand of the APJ receptor studied for cardiovascular, metabolic, and CNS effects.
ARA-290
ARA290 · cibinetide · erythropoietin mimetic peptide
Non-erythropoietic EPO mimetic studied for tissue protection and neuropathic pain.
Atosiban
oxytocin-vasopressin antagonist · tractocile research
Oxytocin and vasopressin receptor antagonist studied as tocolytic in preterm labor models.
Atrial Natriuretic Peptide
ANP · ANF · atrial natriuretic factor
Heart-derived peptide hormone that regulates blood pressure and fluid homeostasis; researched in cardiovascular models.
Beta-Endorphin
β-endorphin · beta endorphin · POMC fragment
Endogenous opioid derived from POMC studied in analgesia, mood regulation, and reward pathway research.
Biotinoyl Tripeptide-1
biotinyl-GHK · BTT · hair growth tripeptide
Biotin-conjugated GHK tripeptide studied for hair follicle anchorage, keratin synthesis, and scalp research.
Bisbakside
Ala-Glu-Asp-Pro-Gly-Pro · AEDPGP hexapeptide · vessel bioregulator
Vascular bioregulator hexapeptide studied in cerebrovascular aging models.
Bivalirudin
hirulog · direct thrombin inhibitor bivalirudin
Synthetic hirudin analogue that directly inhibits thrombin; studied in anticoagulation and interventional cardiology models.
Bombesin
BBS · amphibian bombesin · GRP analogue
Amphibian neuropeptide related to human GRP; studied as tumor-targeting vector for GRP receptor-positive cancers.
BPC-157
bpc157 · bpc 157 · body protection compound
Synthetic pentadecapeptide derived from gastric juice studied for tendon, ligament, and gut healing.
BPC-157 Arginate
bpc-157 arginate salt · stable bpc-157 · bpc157 arginate
Arginate salt form of BPC-157 studied for improved oral stability and systemic healing effects.
Bradykinin
BK · kinin · bradykinin 1-9
Vasoactive nonapeptide that mediates vasodilation, inflammation, and pain; studied in cardiovascular and pain research.
Bronchogen
Ala-Glu-Asp-Leu · AEDL tetrapeptide · lung bioregulator
Lung tissue-derived tetrapeptide bioregulator studied in pulmonary fibrosis and age-related respiratory research.
C-Peptide
connecting peptide · proinsulin c-peptide
Proinsulin cleavage product studied for independent physiological roles in diabetic complications.
Cagrilintide
amylin analogue · AM833 · amylin analogue cagrilintide
Long-acting amylin analogue studied in combination with semaglutide for profound weight reduction in obesity models.
Calcitonin
salmon calcitonin · SCT · miacalcin
Hormone peptide that regulates calcium and phosphorus metabolism; studied for bone density and neuropathic pain.
Carbetocin
oxytocin analogue carbetocin · 1-butanoic acid oxytocin · Duratocin research
Long-acting oxytocin receptor agonist studied in uterine atony and social bonding models.
Cardarine
gw501516 · gw-501516 · gw 501516
PPARδ agonist studied for endurance enhancement and lipid metabolism (note: associated with cancer risk in animal studies).
Catestatin
chromogranin A fragment · CST
Chromogranin A-derived peptide with anti-hypertensive and cardioprotective properties studied in cardiovascular models.
Cerebrolysin
cerebrolysin analogues · fpe 92517 · neurotrophic peptide mix
Mixture of low-molecular-weight neuropeptides and neurotrophic factors studied for neurodegeneration.
Charybdotoxin
ChTX · alpha-KTx 1.1 · scorpion ChTX
Scorpion-derived potassium channel blocker used as research probe for Kv1.2/1.3 and BK channel characterization.
Chlorotoxin
CTX · TM-601 · scorpion toxin chlorotoxin
Scorpion venom peptide that selectively binds glioma cells; studied in tumor-targeting and chloride channel research.
Cholecystokinin
CCK · CCK-8 · pancreozymin
Satiety and digestive peptide that regulates gallbladder contraction and pancreatic enzyme release; researched in appetite regulation.
CJC-1295
cjc1295 · cjc 1295 · drug affinity complex growth hormone releasing factor
Long-acting GHRH analogue that stimulates growth hormone secretion; often combined with Ipamorelin.
CJC-1295 No DAC
mod grf · modified grf · cjc no dac
Short-acting GHRH analogue without drug-affinity complex, used for pulsatile GH release research.
Collagen Tripeptide
CTP · pro-hyp-gly · collagen peptide
Collagen-derived tripeptide studied for skin elasticity, joint health, and bone mineral density.
Conotoxin
ziconotide · MVIIA · prialt
Cone snail-derived peptide toxin that blocks calcium channels; studied for chronic pain mechanisms and neuroscience research.
Cortagen
Ala-Glu-Asp-Pro · AEDP tetrapeptide · cortical bioregulator
Cortex-derived tetrapeptide bioregulator studied in age-related cognitive decline and neuroprotection models.
Cortistatin
CST-14 · cst14 · cortistatin-14
Neuropeptide sharing receptors with somatostatin, studied for sleep regulation and cortical excitability.
CRF
corticotropin-releasing factor · CRH · corticotropin-releasing hormone
Hypothalamic peptide that triggers the HPA axis stress response; studied in anxiety, depression, and PTSD models.
CRH
corticotropin releasing hormone · corticotropin releasing factor · CRF
Hypothalamic peptide studied for stress-axis regulation and potential therapeutic applications in depression.
CXCL12
SDF-1 · stromal cell-derived factor 1 · SDF-1alpha
Chemokine that directs CXCR4-expressing cell homing studied in stem cell mobilization, tumor microenvironment, and HIV research.
Cyclosporin A
cyclosporine · CsA · sandimmune
Cyclic peptide immunosuppressant that inhibits calcineurin; foundational research tool for T-cell biology and organ transplantation models.
Defensin Alpha-1
HNP-1 · human neutrophil peptide 1
Alpha-defensin antimicrobial peptide studied for innate immune defense and potential anti-cancer properties.
Defensin Beta-1
hBD-1 · human beta defensin 1 · hbd1
Human antimicrobial peptide studied for innate immune defense and epithelial barrier protection.
Defensin Beta-2
HBD-2 · DEFB4A · human beta-defensin 2
Inducible beta-defensin upregulated by NF-κB in response to infection; studied in innate immunity and skin barrier models.
Degarelix
FE200486 · GnRH antagonist degarelix
GnRH receptor antagonist with immediate testosterone suppression; studied in prostate cancer and endometriosis models.
Delta Sleep-Inducing Peptide (DSIP)
dsip · delta sleep inducing peptide · delta sleep-inducing peptide
Neuropeptide studied for promoting slow-wave sleep, stress modulation, and anti-oxidative effects.
Dermorphin
dermorphin peptide · DADL opioid
Heptapeptide opioid analogue from amphibian skin studied for potent analgesic activity.
Difelikefalin
CR845 · kappa opioid agonist · kappa opioid peptide peripherally restricted
Peripherally restricted kappa-opioid receptor agonist studied for pruritus and inflammation without central side effects.
Dihexa
PNB-0408 · pnb0408 · N-hexanoic-Tyr-Ile-(6) aminohexanoic amide
High-affinity HGF/c-Met ligand studied for synaptic repair, memory consolidation, and Alzheimer's research.
Dynorphin A
Dyn A · dynorphin 1-17
Endogenous kappa-opioid receptor peptide studied in pain, addiction, mood disorders, and neurological function.
Efinopegdutide
GLP-1/glucagon dual agonist · MK-6024 · HM12525A
Dual GLP-1 and glucagon receptor agonist studied for fatty liver disease and metabolic syndrome.
Elafin
skin-derived antileukoprotease · SKALP · elafin peptide
Serine protease inhibitor studied for anti-inflammatory and antimicrobial activity in barrier tissues.
Enclomiphene
androxal · enclomifene · trans-clomiphene
Non-steroidal estrogen receptor antagonist studied for testosterone restoration and male hypogonadism.
Endomorphin-1
EM-1 · endomorphin 1
Endogenous mu-opioid receptor agonist with high selectivity; studied for pain pathways with reduced side-effect profiles versus classical opioids.
Endothelin-1
ET-1 · endothelin
Potent vasoconstrictor peptide studied in pulmonary hypertension, cardiac fibrosis, and vascular biology.
Epithalon
epitalon · epithalamin · Ala-Glu-Asp-Gly
Tetrapeptide derived from the pineal gland studied for telomere elongation and anti-aging effects.
Eptifibatide
integrilin research · cyclic RGD antiplatelet
Cyclic RGD-based GP IIb/IIIa inhibitor studied in platelet aggregation and acute coronary models.
Exenatide
exendin-4 · Byetta research · GLP-1 agonist Gila
Gila monster-derived GLP-1 receptor agonist that lowers blood glucose and suppresses appetite studied in metabolic models.
Exendin-4
exenatide · Byetta · synthetic exendin
GLP-1 receptor agonist derived from Gila monster saliva; extensively studied for glucose regulation and neuroprotection.
FGF-2
basic fibroblast growth factor · bFGF · fgf2
Fibroblast growth factor studied for angiogenesis, wound healing, and tissue regeneration.
Fibroblast Growth Factor 21
FGF-21 · fgf21 · fgf 21
Hepatokine studied for metabolic regulation, longevity signaling, and improved insulin sensitivity.
Fibronectin III
FNIII · fibronectin type III domain · FN3
Extracellular matrix domain peptide studied for cell adhesion, wound healing, and tissue engineering applications.
Follistatin
follistatin 344 · FST-344 · follistatin-344
Glycoprotein that neutralizes myostatin and activin, studied for promoting muscle growth.
FOXO4-DRI
foxo4 dri · foxo4-d-ret-i · senolytic peptide
D-retro-inverso peptide targeting FOXO4-p53 interaction, studied for selective clearance of senescent cells.
Galanin
galanin peptide · GAL peptide · GAL
Neuropeptide studied for pain modulation, memory function, and mood regulation.
Galanin Message-Associated Peptide
GMAP · galanin precursor peptide
Galanin-associated peptide studied for neuroprotection and neuroendocrine modulation.
Galanin-like Peptide
GALP · galanin-like peptide
Hypothalamic peptide that binds galanin receptors and regulates energy balance, GnRH neurons, and leptin signaling.
Gastrin
gastrin-17 · gastrin-34 · big gastrin
Gastric acid-stimulating peptide produced by G cells; studied in acid-secretion models and gastric physiology research.
GDF11
growth differentiation factor 11 · BMP-11
TGF-beta family factor studied for parabiosis-like rejuvenating effects on cardiac and skeletal muscle aging.
GHK
ghk peptide · glycyl-l-histidyl-l-lysine · tripeptide-1
Tripeptide naturally present in plasma, studied for collagen synthesis and tissue remodeling.
GHK-Cu
ghkcu · ghk copper · copper peptide ghk
Copper-bound tripeptide studied for skin rejuvenation, hair growth, and wound healing.
GHK-Cu Eye Peptide
eye cream peptide · palmitoyl ghk-cu · copper eye peptide
Lipophilic GHK-Cu derivative formulated for periorbital skin repair and collagen boosting.
Ghrelin
acylated ghrelin · growth hormone secretagogue · appetite hormone
Endogenous GH secretagogue and appetite regulator studied for GH release and metabolic signaling.
GHRH
growth hormone releasing hormone · somatoliberin · GRF
Endogenous hypothalamic peptide that stimulates GH synthesis and secretion from the pituitary.
GHRP-2
ghrp2 · growth hormone releasing peptide 2 · KP-102
Synthetic ghrelin analogue that potently stimulates GH release through the GHS-R receptor.
GHRP-6
ghrp6 · growth hormone releasing peptide 6 · SK&F-110679
GH secretagogue studied for GH release and appetite stimulation via ghrelin receptor activation.
GLP-1
glucagon-like peptide 1 · GLP-1 7-36 amide
Endogenous incretin hormone that stimulates insulin secretion and suppresses glucagon; basis for diabetes and weight-management research.
GLP-2
glp2 · glucagon-like peptide 2 · teduglutide precursor
Intestinotrophic peptide studied for intestinal growth and short-bowel syndrome treatment.
Glucagon
pancreatic glucagon · GCG
Counter-regulatory pancreatic peptide that raises blood glucose; studied in hypoglycemia rescue and dual-agonist metabolic research.
Gonadorelin
gnrh · gonadotropin releasing hormone · GnRH agonist
GnRH analogue used to stimulate LH/FSH release; researched as an alternative to TRT for HPG axis support.
Hemorphin
LVV-hemorphin · hemorphin-7
Hemoglobin-derived opioid peptide studied for blood pressure regulation and nociception.
Hexarelin
examorelin · EP-23905 · MF-6003
Potent synthetic hexapeptide ghrelin mimetic studied for GH secretion and cardioprotection.
Histrelin
histrelin acetate · D-His6-LHRH · Supprelin research
Highly potent GnRH agonist studied in precocious puberty and prostate cancer suppression models.
Humanin
humanin peptide · HN peptide · mitochondrial peptide humanin
Mitochondria-derived peptide studied for cytoprotection, neuroprotection, and metabolic regulation.
IGF-1
igf1 · somatomedin C · insulin-like growth factor 1
Endogenous growth factor studied for anabolic, cell proliferative, and neuroprotective activities.
IGF-1 LR3
igf1 lr3 · igf-1 lr3 · long r3 igf-1
Long-acting variant of IGF-1 studied for anabolic signaling, muscle hypertrophy, and satellite cell activation.
IGF-2
insulin-like growth factor 2 · somatomedin A · IGF2
Growth factor important in fetal development and cellular metabolism; studied in muscle differentiation and cancer biology.
Insulin
human insulin · insulin human · INS
Pancreatic peptide hormone of two linked chains (A and B) cleaved from proinsulin, central to glucose regulation research.
Insulin Detemir
levemir · detemir · long-acting insulin analogue
Long-acting fatty-acid-conjugated insulin analogue used as a research comparator in metabolic studies.
Intermedin
adrenomedullin 2 · AM2 · IMD
Calcitonin family peptide with cardioprotective and vasodilatory properties studied in heart failure models.
Ipamorelin
ipamorelin acetate · NNC 26-0161 · nnc260161
Selective GH secretagogue and ghrelin mimetic studied for growth hormone release with minimal side effects.
Kisspeptin
metastin · Kiss1 peptide · KISS1
GnRH-gating neuropeptide from the KISS1 gene studied in puberty onset, ovulation triggering, and fertility models.
Kisspeptin-10
kisspeptin 10 · kp-10 · kp10
C-terminal fragment of kisspeptin studied for GnRH pulse stimulation and reproductive axis regulation.
Klotho
alpha-klotho · KL protein · soluble klotho
Anti-aging hormone/enzyme studied for cognitive function, kidney health, and extension of healthspan in preclinical models.
Klotho Peptide
klotho · alpha klotho · FGF23 co-receptor klotho
Anti-aging hormone and FGF23 co-receptor studied for kidney protection and cognitive longevity.
KPV
kpv peptide · lys-pro-val · lysine-proline-valine
Tripeptide derived from alpha-MSH studied for gut inflammation and wound healing.
Lanreotide
somatuline · lanreotide acetate · somatostatin analogue lanreotide
Somatostatin analogue studied for acromegaly, neuroendocrine tumors, and GH suppression.
Larazotide
AT-1001 · at1001 · larazotide acetate
Tight-junction regulator peptide studied for intestinal permeability and celiac disease.
Leptin Fragment
leptin peptide · ob protein fragment · leptin 116-130
Fragment of the leptin hormone studied for satiety signaling and fat-mass regulation.
Leupeptin
Ac-Leu-Leu-Arg-al · calpain inhibitor
Cysteine/serine protease inhibitor used extensively as a research tool in cell biology and proteolysis studies.
Leuphasyl
acetyl tetrapeptide-2 · YGGFM analogue · enkephalin mimic
Enkephalin-related tetrapeptide studied for expression-wrinkle reduction through opioid receptor modulation.
Leuprolide
lupron · leuprorelin · GnRH agonist leuprolide
GnRH analogue studied for testosterone suppression, endometriosis, and prostate cancer treatment.
LGD-4033
lgd4033 · lgd 4033 · ligandrol
SARM studied for lean muscle mass gains and strength in hypogonadal and aging populations.
Liraglutide
victoza · saxenda · NN2211
Long-acting GLP-1 analogue studied for metabolic syndrome, obesity, and cardiovascular risk models.
LL-37
ll37 · cathelicidin · CAP-18
Human cathelicidin-derived antimicrobial peptide studied for broad-spectrum antimicrobial and immunomodulatory activity.
LL-37 Fragment
KR-12 · kr12 · LL-37 minimal antimicrobial domain
Shortest antimicrobial fragment of LL-37 retaining antibacterial and anti-biofilm activity.
Macimorelin
AEZS-130 · ghrelin receptor agonist macimorelin
Oral ghrelin receptor agonist studied as diagnostic agent for adult GH deficiency with favorable safety profile.
Magainin
magainin 1 · magainin 2
Antimicrobial peptide derived from African clawed frog; studied for membrane-disrupting properties and potential anti-cancer applications.
Mastoparan
mastoparan X · wasp venom peptide
Wasp venom tetradecapeptide that activates G proteins and mast cells; studied in signal transduction and antimicrobial research.
Matrikine GHK
GHK tripeptide · glycyl-L-histidyl-L-lysine
Naturally occurring tripeptide with tissue remodeling and anti-inflammatory properties; widely studied in skin repair and hair research.
Mechano Growth Factor
MGF · IGF-1Ec · mechano-sensitive IGF-1 isoform
IGF-1 splice variant upregulated by mechanical stress; studied for satellite cell activation and muscle repair.
Melanocyte Stimulating Hormone
alpha-MSH · alpha MSH · NDP-MSH
Pituitary peptide that stimulates melanin production; studied for tanning and anti-inflammatory effects.
Melanotan I
melanotan 1 · mt-1 · mt1
α-MSH analogue and melanocortin receptor agonist studied for skin tanning and photoprotection.
Melanotan II
melanotan 2 · mt-2 · mt2
Non-selective melanocortin receptor agonist studied for tanning, libido, and appetite suppression.
Melittin
bee venom melittin · MEL
Primary cytolytic component of bee venom studied for membrane-disrupting antimicrobial properties and cancer research.
Met-Enkephalin
MENK · methionine enkephalin · OGF
Endogenous opioid pentapeptide studied for immune modulation, nociception, and cancer cell growth inhibition.
MK-677
mk677 · ibutamoren · ibutamoren mesylate
Non-peptide GH secretagogue / ghrelin mimetic studied for GH and IGF-1 elevation; often grouped with SARMs.
MOD GRF 1-29
CJC-1295 no DAC · modified GRF 1-29 · tetrasubstituted GHRH
Stabilized GHRH fragment without DAC modification; studied for pulsatile GH release similar to physiological patterns.
Motilin
motilin peptide · MTL
Gastrointestinal peptide that regulates gastric motility and interdigestive migrating contractions studied in gastroparesis models.
MOTS-c
mots c · mitochondrial open reading frame of the 12S rRNA-c · mitochondrial peptide mots-c
Mitochondria-encoded peptide studied for metabolic regulation, insulin sensitivity, and exercise mimicry.
Myostatin Inhibitor Peptide
myostatin peptide · mstn inhibitor peptide · follistatin-derived myostatin inhibitor
Peptide-based inhibitor of myostatin signaling studied for muscle hypertrophy and dystrophy treatment.
NAD+
nad plus · nicotinamide adenine dinucleotide · nad
Essential coenzyme studied for cellular energy metabolism, sirtuin activation, and longevity pathways.
NAD+ Precursor NMN
NMN · nicotinamide mononucleotide · beta-NMN
NAD+ biosynthesis precursor studied for cellular energy metabolism, longevity pathways, and age-related decline.
Natriuretic Peptide BNP
BNP · brain natriuretic peptide · B-type natriuretic peptide
Cardiac hormone studied as a biomarker and therapeutic target in heart failure and fluid regulation research.
Nesfatin-1
nesfatin · NUCB2-derived peptide
Hypothalamic peptide studied for satiety signaling and glucose homeostasis.
Neuromedin B
NMB · neuromedin B peptide
Bombesin-related neuropeptide with roles in smooth muscle contraction and satiety studied in GI and CNS models.
Neuromedin U
NMU · neuromedin U-25 · neuromedin U-8
Neuropeptide that suppresses food intake and activates HPA axis; studied in anorexigenic and stress physiology models.
Neuropeptide S
NPS · neuropeptide S precursor
Neuropeptide that promotes arousal and reduces anxiety; researched in fear extinction, PTSD, and sleep-wake cycle models.
Neuropeptide Y
NPY · npy peptide · neuropeptide-Y
Abundant brain neuropeptide studied for appetite regulation, stress resilience, and mood modulation.
Neurotensin
NT · neurotensin 1-13 · neurotensin-13
Brain-gut neuropeptide that modulates dopaminergic transmission; researched in psychosis, pain, and temperature regulation.
Nociceptin
OFQ · orphanin FQ · N/OFQ
Endogenous opioid-like neuropeptide studied for pain modulation, anxiety, and addiction pathways.
Octreotide
sandostatin · octreotide acetate · SMS 201-995
Potent somatostatin analogue widely used in research for GH suppression and neuroendocrine tumor control.
Omiganan
MBI-226 · indolicidin analogue · omiganan pentahydrochloride
Indolicidin-derived synthetic peptide studied for catheter-site and wound antimicrobial activity.
Orexin A
hypocretin-1 · hypocretin 1 · orexin-A
Hypothalamic neuropeptide studied for wakefulness promotion and narcolepsy treatment.
Orexin B
hypocretin-2 · orexin-B · HCRT2
Hypothalamic neuropeptide co-released with orexin A that modulates wakefulness and energy balance.
Ostarine
mk-2866 · mk2866 · enobosarm
Well-characterized SARM studied for muscle preservation, bone density, and clinical cachexia treatment.
Osteocalcin
bone gla protein · BGP · osteocalcin hormone
Bone-derived hormone studied for muscle, brain, and metabolic function in aging models.
Oxytocin
pitocin · syntocinon · bonding hormone
Hypothalamic neuropeptide studied for social bonding, anxiety reduction, and metabolic signaling.
P21
p21 peptide · cilliary neurotrophic factor analogue · CNTF peptide
CNTF-derived peptide studied for neurogenesis, BDNF elevation, and cognitive enhancement.
PACAP-27
PACAP short form · PACAP1-27
N-terminal 27-residue form of PACAP with full PAC1 receptor activity studied in neuroprotection models.
PACAP-38
pituitary adenylate cyclase activating polypeptide · PACAP · pituitary adenylate cyclase-activating peptide
Neuropeptide with potent neuroprotective and anti-inflammatory properties; researched in neurodegeneration and stress models.
Palmitoyl Pentapeptide-4
matrixyl · palmitoyl pentapeptide 4 · pal-KTTKS
Signal peptide studied for collagen and fibronectin synthesis in aged skin.
Palmitoyl Tripeptide-1
Matrixyl · pal-GHK · palmitoyl GHK
Fatty acid-modified GHK tripeptide with collagen-stimulating properties extensively studied in skin aging models.
Pancreatic Polypeptide
PP · pancreatic PP · PPY
Pancreatic peptide that regulates appetite and gastric acid secretion; studied as biomarker and satiety target.
Parathyroid Hormone 1-34
PTH 1-34 · teriparatide · forteo
N-terminal fragment of PTH studied for bone formation, anabolic skeletal effects, and fracture healing models.
Pasireotide
signifor · SOM230
Multi-receptor somatostatin analogue studied for Cushing's disease and acromegaly.
PE22-28
spadin analogue · TREK-1 blocker peptide · spadin
Antidepressant peptide derived from the neurotensin sortilin propeptide; studied for rapid-acting antidepressant properties without SSRI mechanisms.
PEG-MGF
pegylated mechano growth factor · peg mgf · mechano growth factor
PEGylated splice variant of IGF-1 studied for muscle repair and satellite cell activation.
Peptide YY
PYY · pyy 3-36 · pyy3-36
Gut-derived peptide studied for appetite suppression and regulation of energy intake.
Pexiganan
MSI-78 · magainin analogue pexiganan · locilex
Synthetic magainin analogue studied for topical antimicrobial activity against diabetic foot ulcer pathogens.
Phoenixin
PHX · phoenixin-14
Neuropeptide studied for its role in anxiety, reproductive function, and neuroinflammation modulation.
Pinealon
EDR peptide · glu-asp-arg · pinealon peptide
Pineal gland-derived tripeptide (Glu-Asp-Arg) studied for neuroprotection and circadian rhythm regulation.
Pituitary Adenylate Cyclase Peptide 27
PACAP-27
Short isoform of PACAP studied for neuroprotection, vasodilation, and stress response modulation.
Pralmorelin
GHRP-2 pralmorelin · growth hormone-releasing peptide 2 pralmorelin
Potent synthetic GHRP used as diagnostic tool for GH deficiency testing; studied in pituitary function research.
PT-141
pt141 · bremelanotide · vyleesi
Melanocortin receptor agonist (FDA-approved as Vyleesi) studied for sexual dysfunction in men and women.
RAD-140
rad140 · rad 140 · testolone
Selective androgen receptor modulator studied for anabolic effects on muscle and bone with reduced androgenic side effects.
Rapamycin
sirolimus · rapamune
mTOR inhibitor extensively studied in longevity research; shown to extend lifespan in multiple model organisms.
Retatrutide
LY3437943 · ly3437943 · triple G agonist
Triple GIP/GLP-1/glucagon receptor co-agonist in clinical trials for obesity and metabolic disease.
RGD Peptide
Arg-Gly-Asp · RGD motif · integrin-binding peptide
Fibronectin-derived adhesion motif that binds integrins; studied extensively in scaffold biomaterials, cell adhesion, and wound-healing models.
Romosozumab
sclerostin antibody · EVENITY research
Anti-sclerostin biologic that increases bone formation while decreasing resorption; studied in bone density research.
RTI-175
RTI-336 · dopamine reuptake inhibitor peptide
Research compound studied in dopamine transporter models and psychostimulant pharmacology.
S-23
S23 SARM · AR antagonist S23
High-binding-affinity SARM studied for male contraceptive potential and bone density in preclinical models.
Secretin
secretin peptide · SCT
Duodenal peptide that stimulates pancreatic bicarbonate secretion; studied in pancreatic insufficiency and autism spectrum research.
Selank
selank peptide · TP-7 · tp7
Synthetic tuftsin analogue studied for anxiolytic, nootropic, and immunomodulatory effects.
Selank N-acetyl
n-acetyl selank · na-selank · acetyl selank
Acetylated Selank derivative studied for anxiolytic and memory-enhancing effects.
Semaglutide
ozempic · wegovy · rybelsus
GLP-1 receptor agonist studied for glycemic control and significant weight reduction.
Semax
semax peptide · ACTH 4-7 PGP · acth 4-7 pgp
ACTH-derived heptapeptide studied for neuroprotection, cognitive enhancement, and BDNF upregulation.
Semax N-acetyl
n-acetyl semax · na-semax · acetyl semax
Acetylated form of Semax studied for enhanced brain penetration and neuroprotective potency.
Serelaxin
recombinant relaxin-2 · RLX030
Recombinant relaxin-2 with vasodilatory and anti-fibrotic properties studied in acute heart failure models.
Sermorelin
GRF 1-29 · grf129 · geref
Truncated analogue of endogenous GHRH studied for stimulating pulsatile GH secretion.
Setmelanotide
RM-493 · imcivree · MC4R agonist
MC4 receptor agonist studied for severe genetic obesity, particularly POMC and LEPR deficiencies.
ShK Toxin
ShK · stichodactyla toxin · dalazatide
Sea anemone Kv1.3 blocker studied as a selective immunosuppressant for autoimmune models without broad immunosuppression.
SHLP-2
small humanin-like peptide 2 · SHLP2
Mitochondria-derived cytoprotective peptide studied in metabolic and aging research with insulin-sensitizing properties.
SHLP-3
small humanin-like peptide 3 · SHLP3
Mitochondrial-encoded peptide studied alongside SHLP-2 in aging and metabolic models.
SHLP-6
small humanin-like peptide 6 · SHLP6
Mitochondrial-encoded peptide with pro-apoptotic properties studied in cancer and aging models.
Sinapultide
KL4 peptide · lucinactant
Synthetic surfactant protein B analogue studied for respiratory distress and lung surfactant replacement.
SNAP-8
snap8 · acetyl octapeptide-3 · leuphasyl
Octapeptide analogue of SNAP-25 studied for reducing expression of facial wrinkles.
Somatostatin
SRIF · growth hormone inhibiting hormone · somatotropin release inhibiting factor
Cyclic peptide that inhibits GH secretion; studied for neuroendocrine tumor and acromegaly treatment.
Spermidine
polyamine spermidine
Naturally occurring polyamine that induces autophagy; research shows potential for longevity and neurological health.
SR9009
stenabolic · Rev-ErbA agonist SR9009
Rev-ErbA agonist studied for circadian rhythm regulation, fat oxidation, and endurance in metabolic models.
SR9011
Rev-ErbA agonist SR9011 · stenabolic analogue
Rev-ErbA alpha/beta agonist studied for circadian modulation, lipid metabolism, and wakefulness research.
SS-31
elamipretide · MTP-131 · mtp131
Mitochondria-targeted tetrapeptide studied for cardioprotection and mitochondrial bioenergetics.
Substance P
SP peptide · undecapeptide substance p · SP
Neuropeptide studied for pain signaling modulation, neurogenic inflammation, and wound healing.
Syn-Ake
dipeptide diaminobutyroyl benzylamide diacetate · snake venom analogue
Synthetic analogue of waglerin-1 studied for acetylcholine receptor inhibition and wrinkle relaxation in cosmetic models.
TA-65
ta65 · cycloastragenol · telomerase activator 65
Plant-derived small molecule studied for telomerase activation and cellular senescence reduction.
TB-500
tb500 · tb 500 · thymosin beta-4
Synthetic fragment of Thymosin Beta-4 researched for wound healing, muscle repair, and anti-inflammation.
Temporin
temporin A · temporin L
Short antimicrobial peptide from frog skin with broad-spectrum activity studied for drug-resistant infections.
Teriparatide
PTH 1-34 · recombinant PTH · rhPTH 1-34
N-terminal fragment of parathyroid hormone that stimulates osteoblast activity; researched as an anabolic bone model compound.
Tesamorelin
egrifta · TH9507 · th-9507
FDA-approved GHRH analogue researched for visceral fat reduction and GH deficiency.
Testagen
Lys-Glu-Asp-Gly · KEDG tetrapeptide · testis bioregulator
Testicular tetrapeptide bioregulator studied for gonadal function restoration in aging preclinical models.
Thymalin
thymus bioregulator · polypeptide thymalin · thymus extract peptide
Thymic polypeptide complex studied for immune restoration and anti-aging effects in preclinical models.
Thymopentin
TP-5 · thymopoietin pentapeptide · Arg-Lys-Asp-Val-Tyr
Thymopoietin-derived pentapeptide studied for T-cell differentiation, immune augmentation, and autoimmunity models.
Thymosin Alpha-1
thymosin alpha 1 · TA-1 · ta1
Thymic peptide studied for T-cell maturation, immune modulation, and antiviral activity.
Thymosin Beta-4 Fragment
tβ4 fragment · ac-SDKP · ac sdkp
Tetrapeptide fragment of Thymosin Beta-4 studied for cardiac and tissue protective effects.
Thymosin Beta-4 Sulfoxide
tβ4 sulfoxide · oxidized thymosin beta 4
Oxidized form of TB-4 studied for anti-inflammatory effects in ocular and systemic models.
Thymulin
facteur thymique serique · FTS · thymulin peptide
Thymic hormone studied for T-cell differentiation and zinc-dependent immune regulation.
Tirzepatide
mounjaro · zepbound · tirz
Dual GIP/GLP-1 receptor agonist studied for weight loss and type 2 diabetes management.
Triptorelin
trelstar · decapeptyl · D-Trp6-LHRH
GnRH agonist used clinically for prostate cancer and studied for HPT axis restoration post-steroid use.
Urocortin 1
UCN1 · urocortin I · UI
CRF-related peptide with higher affinity for CRF2 receptor; studied in cardiovascular protection and stress adaptation models.
Urocortin 2
UCN2 · stresscopin-related peptide · SRP
Selective CRF2 agonist studied in heart failure, anxiety, and energy expenditure regulation models.
Urocortin 3
UCN3 · stresscopin · SCN
CRF2 receptor-selective peptide expressed in hypothalamus and intestine; researched in stress physiology and metabolic control.
Urotensin II
UII · urotensin-2 · U-II
Potent vasoconstrictor peptide studied in hypertension, heart failure, and renal function models.
Vasopressin
ADH · antidiuretic hormone · arginine vasopressin
Neurohypophysial peptide studied for memory consolidation, social cognition, and water retention.
VGF Neuropeptide
VGF · TLQP-21 · VGF-derived peptides
Neuropeptide and neurotrophic factor studied in depression, pain, energy balance, and Alzheimer's disease models.
Vilon
Lys-Glu dipeptide · KE dipeptide · thymus dipeptide
Thymus-derived dipeptide studied for immunomodulatory and anti-aging properties in lymphocyte proliferation models.
VIP
vasoactive intestinal peptide · vasoactive intestinal polypeptide · vip peptide
Neuropeptide studied for immune modulation, neuroprotection, and vasodilation.
YK-11
YK11 · myostatin inhibitor YK-11
Steroidal SARM and partial myostatin inhibitor studied for supraphysiological anabolic effects in muscle models.
Ziconotide
conotoxin MVIIA · SNX-111 · omega-conotoxin
Cone snail-derived calcium channel blocker researched for neuropathic pain without opioid receptor involvement.