Peptide Research Library
Long-form, structured research profiles — mechanism of action, pharmacokinetics, reconstitution, storage, comparisons, and citations for each compound.
For research use only. Not intended for human consumption, diagnosis, treatment, or prevention of disease.
5-Amino-1MQ
5-Amino-1MQ is a small-molecule inhibitor of nicotinamide N-methyltransferase (NNMT) studied in preclinical metabolic research for its association with altered NAD+ and methyl-donor pools, adipocyte metabolism, and body-weight regulation.
Read research profile9-ME-BC
9-ME-BC (9-methyl-β-carboline) is a small-molecule β-carboline alkaloid studied in preclinical research for its association with dopaminergic neuron stimulation, neurotrophic factor expression, and anti-inflammatory effects in neural models.
Read research profileAdipotide
Adipotide (FTPP) is an experimental targeting peptide studied in preclinical research for its association with selective destruction of the blood vessels that supply white adipose tissue.
Read research profileAOD-9604
AOD-9604 is a modified fragment of the C-terminus of human growth hormone studied in preclinical research for its association with lipolysis and fat metabolism without the broader growth-promoting effects of full-length growth hormone.
Read research profileARA-290
ARA-290 (cibinetide) is an 11-amino-acid peptide modeled on the helix-B region of erythropoietin, studied in preclinical and clinical research for its association with innate-repair-receptor activation, tissue protection, and relief of neuropathic symptoms without the blood-stimulating effects of EPO.
Read research profileBAM-15
BAM-15 is a small-molecule mitochondrial protonophore (uncoupler) studied in preclinical metabolic research for its association with increased energy expenditure, fat loss, and improved insulin sensitivity without depolarizing the plasma membrane.
Read research profileBPC-157
BPC-157 is a synthetic pentadecapeptide derived from a sequence in gastric juice protein, studied in preclinical models for its association with angiogenesis, tissue-repair signaling, and cytoprotection.
Read research profileCagrilintide
Cagrilintide is a long-acting amylin analogue studied in metabolic research for its association with satiety signaling and body-weight reduction, often examined in combination with GLP-1 receptor agonists.
Read research profileCerebrolysin
Cerebrolysin is a porcine-brain-derived preparation of low-molecular-weight neuropeptides and free amino acids studied in clinical and preclinical research for its association with neurotrophic-like signaling, neuroprotection, and neurorecovery.
Read research profileCJC-1295
CJC-1295 is a synthetic growth-hormone-releasing hormone (GHRH) analogue studied in preclinical and clinical research for its association with stimulated growth-hormone and IGF-1 release.
Read research profileCMS-121
CMS-121 is a synthetic small-molecule derivative of the flavonoid fisetin, developed as a geroneuroprotective compound and studied in preclinical research for its association with reduced lipid peroxidation, lower neuroinflammation, and preserved cognition in aging and Alzheimer-type models.
Read research profileCortexin
Cortexin is a cattle/pig cerebral-cortex-derived polypeptide complex studied in clinical and preclinical research for its association with neuroprotection, antioxidant signaling, and support of cognition and neurorecovery.
Read research profileDihexa
Dihexa is a small, orally stable angiotensin IV-derived compound studied in preclinical research for its association with hepatocyte growth factor/c-Met signaling and synaptogenesis.
Read research profileDSIP (Delta Sleep-Inducing Peptide)
DSIP (delta sleep-inducing peptide) is a small endogenous neuropeptide studied in preclinical and limited clinical research for its association with delta-wave sleep, stress modulation, and neuroendocrine regulation.
Read research profileEpitalon
Epitalon (Epithalon) is a synthetic tetrapeptide modeled on the pineal hormone epithalamin, studied in preclinical and clinical research for its association with telomerase activity, circadian melatonin signaling, and biological-aging endpoints.
Read research profileFollistatin-344
Follistatin-344 is a recombinant isoform of the glycoprotein follistatin studied in preclinical research for its association with myostatin and activin neutralization and the resulting effects on skeletal-muscle growth signaling.
Read research profileFOXO4-DRI
FOXO4-DRI is a synthetic D-retro-inverso peptide designed to disrupt the FOXO4–p53 interaction in senescent cells, studied in preclinical research as a prototype senolytic for selectively clearing aged, dysfunctional cells.
Read research profileGHK-Cu
GHK-Cu is a naturally occurring copper-binding tripeptide studied in preclinical research for its association with extracellular-matrix remodeling, copper transport, and gene-expression changes relevant to skin and tissue repair.
Read research profileGHRP-2
GHRP-2 is a synthetic growth-hormone-releasing peptide and ghrelin-receptor agonist studied in preclinical and clinical research for its association with potent, pulsatile growth-hormone release.
Read research profileGHRP-6
GHRP-6 is the original synthetic growth-hormone-releasing peptide and ghrelin-receptor agonist studied in preclinical and clinical research for its association with pulsatile growth-hormone release and pronounced appetite signaling.
Read research profileGLP-2 (Glepaglutide)
GLP-2 is an intestinotrophic hormone of the glucagon family, and glepaglutide is a long-acting analogue studied in clinical research for its association with intestinal mucosal growth and improved nutrient absorption.
Read research profileGlutathione
Glutathione is an endogenous tripeptide thiol antioxidant studied extensively for its association with cellular redox balance, detoxification, and protection against oxidative stress.
Read research profileHexarelin
Hexarelin is a potent synthetic growth-hormone-releasing peptide and ghrelin-receptor agonist studied in preclinical and clinical research for its association with strong growth-hormone release and additional cardiac CD36-receptor signaling.
Read research profileHumanin
Humanin is a 24-amino-acid mitochondrial-derived peptide encoded within the mitochondrial 16S rRNA region, studied in preclinical research for its association with cytoprotective, anti-apoptotic, and metabolic signaling relevant to aging biology.
Read research profileIGF-1 LR3
IGF-1 LR3 (Long R3 insulin-like growth factor-1) is a synthetic, long-acting analogue of IGF-1 studied in preclinical research for its association with IGF-1-receptor signaling, cellular proliferation, and skeletal-muscle anabolic pathways.
Read research profileIpamorelin
Ipamorelin is a selective synthetic ghrelin-mimetic (GHRP) studied in preclinical research for its association with growth-hormone release without the cortisol or prolactin effects seen with earlier secretagogues.
Read research profileKisspeptin
Kisspeptin is a hypothalamic RFamide peptide studied in preclinical and clinical research as a master upstream regulator of the reproductive hormone axis through activation of GnRH neurons.
Read research profileKPV
KPV is a C-terminal tripeptide fragment of alpha-melanocyte-stimulating hormone (α-MSH) studied in preclinical models for its association with anti-inflammatory and immunomodulatory signaling, particularly in mucosal and skin tissue.
Read research profileLarazotide Acetate
Larazotide acetate is a synthetic octapeptide studied in clinical and preclinical research as a tight-junction regulator that is associated with reduced intestinal permeability ('leaky gut').
Read research profileLL-37
LL-37 is the only human cathelicidin antimicrobial peptide, studied in preclinical research for its association with broad host-defense activity, immune modulation, and wound-related signaling.
Read research profileMelanotan 2
Melanotan 2 is a synthetic cyclic analogue of alpha-melanocyte-stimulating hormone studied in preclinical research for its association with melanocortin-receptor agonism, melanin synthesis, and central effects on appetite and sexual behavior.
Read research profileMK-677 (Ibutamoren)
MK-677 (ibutamoren) is an orally active, non-peptide growth-hormone secretagogue and ghrelin-receptor agonist studied in clinical and preclinical research for its association with sustained, pulsatile growth-hormone and IGF-1 elevation.
Read research profileMK-777
MK-777 is an experimental growth-hormone-secretagogue research compound from the ghrelin-mimetic family, studied for its proposed association with stimulated growth-hormone release via the GHS receptor.
Read research profileMK-2866 (Ostarine)
MK-2866 (Ostarine, enobosarm) is a non-steroidal selective androgen-receptor modulator (SARM) studied in preclinical and clinical research for its association with tissue-selective androgen-receptor activation in muscle and bone.
Read research profileMOTS-c
MOTS-c is a 16-amino-acid mitochondrial-derived peptide encoded within the mitochondrial 12S rRNA region, studied in preclinical research for its association with AMPK activation, metabolic homeostasis, and exercise-related adaptation.
Read research profileNAD+
NAD+ (nicotinamide adenine dinucleotide) is an essential redox coenzyme and signaling substrate studied extensively in metabolic and longevity research for its central roles in mitochondrial energy production, sirtuin activity, and DNA-repair pathways.
Read research profileOxytocin
Oxytocin is a nine-amino-acid neuropeptide and pituitary hormone studied extensively in preclinical and clinical research for its association with social bonding, stress modulation, and smooth-muscle signaling.
Read research profileP-21
P-21 (P021) is a small neurotrophic-mimetic peptide derived from a biologically active region of ciliary neurotrophic factor, studied in preclinical research for its association with neurogenesis, BDNF signaling, and reduced tau pathology.
Read research profilePAL-AHK (Palmitoyl Tripeptide-1)
PAL-AHK is a lipidated matrikine-derived tripeptide studied in cosmetic-science research for its association with collagen and extracellular-matrix signaling, with a palmitoyl chain added to improve skin penetration.
Read research profilePE-22-28
PE-22-28 is a short, truncated analogue of the peptide spadin studied in preclinical research for its association with TREK-1 potassium-channel inhibition and rapid antidepressant-like and neuroplasticity endpoints.
Read research profilePinealon
Pinealon is a synthetic tripeptide (Glu-Asp-Arg) from the Khavinson short-peptide bioregulator family, studied in preclinical research for its association with neuronal gene expression, antioxidant signaling, and resistance to hypoxic and oxidative stress.
Read research profilePNC-27
PNC-27 is an experimental membrane-disrupting peptide studied in preclinical cancer-cell research for its association with selective necrosis of tumor cells expressing HDM-2 at the plasma membrane.
Read research profilePopular Peptide Research Dosing Protocols
An exhaustive, source-controlled index of all 59 current database entries, organized by intended research area. It reports 21 historically published study regimens and explicitly marks 38 entries without a verifiable regimen rather than repeating vendor schedules.
Read research profilePT-141 (Bremelanotide)
PT-141 (bremelanotide) is a synthetic melanocortin receptor agonist studied in research for its association with central nervous system pathways involved in sexual arousal, acting through neural rather than vascular mechanisms.
Read research profileRAD-140 (Testolone)
RAD-140 (Testolone) is a non-steroidal selective androgen-receptor modulator (SARM) studied in preclinical research for its association with potent, tissue-selective androgen-receptor activation in muscle and bone and for explored neuroprotective signaling.
Read research profileRetatrutide
Retatrutide is an investigational triple-receptor agonist studied in clinical research for its simultaneous activity at the GIP, GLP-1, and glucagon receptors and its association with large body-weight and metabolic changes.
Read research profileSelank
Selank is a synthetic heptapeptide analogue of the immunomodulatory peptide tuftsin studied in preclinical and clinical research for its association with anxiolytic, stress-resilience, and neuroimmune endpoints.
Read research profileSemaglutide
Semaglutide is a long-acting glucagon-like peptide-1 (GLP-1) receptor agonist studied extensively in clinical research for its association with glycemic regulation, appetite signaling, and body-weight reduction.
Read research profileSemax
Semax is a synthetic heptapeptide analogue of the ACTH(4-10) fragment studied in preclinical and clinical research for its association with neurotrophic-factor expression, neuroprotection, and cognitive and attentional endpoints.
Read research profileSermorelin
Sermorelin is a synthetic growth-hormone-releasing hormone (GHRH) analogue corresponding to the first 29 residues of GHRH, studied in research for its association with stimulated, pulsatile growth-hormone release.
Read research profileSLU-PP-332
SLU-PP-332 is a synthetic pan-agonist of the estrogen-related receptors (ERRα/β/γ) studied in preclinical metabolic research as an exercise-mimetic compound associated with increased mitochondrial biogenesis and fat oxidation.
Read research profileSNAP-8
SNAP-8 is a synthetic acetylated octapeptide studied in cosmetic-science research for its association with modulation of neurotransmitter release at the neuromuscular junction and the appearance of expression lines.
Read research profileSS-31 (Elamipretide)
SS-31 (elamipretide) is a mitochondria-targeting tetrapeptide studied for its selective association with the inner mitochondrial membrane lipid cardiolipin and its effects on mitochondrial bioenergetics in research models.
Read research profileTB-500
TB-500 is a synthetic fragment related to thymosin beta-4, studied in preclinical models for its association with actin regulation, cell migration, and soft-tissue repair.
Read research profileTesamorelin
Tesamorelin is a stabilized analog of growth-hormone-releasing hormone (GHRH) studied for its ability to stimulate endogenous growth hormone secretion and for its association with reductions in visceral adipose tissue in research settings.
Read research profileTesofensine
Tesofensine is an investigational small-molecule triple monoamine reuptake inhibitor studied in clinical research for its association with appetite suppression and body-weight reduction.
Read research profileThymosin Alpha-1
Thymosin Alpha-1 is a 28-amino-acid thymic peptide studied extensively in immunological research for its association with T-cell maturation, dendritic-cell activation, and Toll-like-receptor-mediated immune modulation.
Read research profileThymulin
Thymulin is a zinc-dependent thymic nonapeptide studied in immunological and neuroendocrine research for its association with T-cell differentiation, immune homeostasis, and anti-inflammatory signaling.
Read research profileTirzepatide
Tirzepatide is a dual glucose-dependent insulinotropic polypeptide (GIP) and glucagon-like peptide-1 (GLP-1) receptor agonist studied in clinical research for its association with glycemic regulation and body-weight reduction.
Read research profileVIP (Vasoactive Intestinal Peptide)
VIP is a 28-amino-acid neuropeptide of the secretin/glucagon superfamily studied in preclinical research for its association with anti-inflammatory immune signaling, vasodilation, and neuroendocrine regulation.
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