The Peptide Library.
A working reference of the peptides we research. Each entry includes mechanism, evidence base, and regulatory status.
A
| Peptide | Overview | Category | Status | |
|---|---|---|---|---|
Abaloparatide Tymlos | PTHrP analog for osteoporosis. | Bone | Read | |
Acetyl tetrapeptide-3 Capixyl component | Hair follicle peptide for hair density. | Skin | Cosmetic | Read |
Angiotensin II Giapreza | Vasopressor for septic shock; ICU use only. | Cardiovascular | Read | |
AOD-9604 Growth hormone fragment 177–191 | Synthetic fragment of human growth hormone (amino acids 177–191). Not FDA-approved; investigational. | Metabolic | Read | |
Argireline Acetyl hexapeptide-8 | Topical muscle-relaxing cosmetic peptide. | Skin | Cosmetic | Read |
Atrial natriuretic peptide ANP · Carperitide | Endogenous cardiac peptide hormone. Not FDA-approved; investigational. | Cardiovascular | Research Only | Read |
Aviptadil RLF-100 · Zyesami | Synthetic form of vasoactive intestinal peptide (VIP). Not FDA-approved; investigational. | Cardiovascular | Research Only | Read |
B
| Peptide | Overview | Category | Status | |
|---|---|---|---|---|
Bimatoprost Latisse | Prostaglandin analog for eyelash growth. | Skin | Read | |
Bortezomib Velcade | Proteasome inhibitor for multiple myeloma. | Oncology | Read | |
BPC-157 Body Protective Compound · PL 14736 | Synthetic 15-amino-acid peptide derived from a gastric protein. Not FDA-approved; evidence is largely from animal studies. | Tissue Repair Research | Read | |
Bremelanotide PT-141 · Vyleesi | Melanocortin receptor agonist FDA-approved (Vyleesi) only for premenopausal women with acquired, generalized HSDD. | Sexual Health | Read |
C
| Peptide | Overview | Category | Status | |
|---|---|---|---|---|
Cagrilintide AM833 | Long-acting amylin analog in clinical trials. Not FDA-approved. | Metabolic | Research Only | Read |
Calcitonin salmon Miacalcin · Fortical | Salmon calcitonin for osteoporosis and Paget disease. | Bone | Read | |
Cathelicidins LL-37 family | Class of endogenous antimicrobial peptides. No FDA-approved drug product. | Antimicrobial | Research Only | Read |
Cenderitide CD-NP | Designer natriuretic peptide. Not FDA-approved; investigational. | Cardiovascular | Research Only | Read |
Cerebrolysin Neurotrophic peptide mix | Mixture of peptides derived from porcine brain tissue. Not FDA-approved; approved in some countries outside the US. | Cognitive | Read | |
Cetrorelix Cetrotide | GnRH antagonist for IVF protocols. | Hormonal | Read | |
CJC-1295 Modified GRF 1-29 (no DAC) | Synthetic GHRH analog (modified GRF 1-29). Not FDA-approved; human data limited to early studies. | Growth Hormone Axis | Read | |
CJC-1295 with DAC CJC-1295 DAC | Synthetic GHRH analog with a drug affinity complex (DAC) that extends its half-life. Not FDA-approved; human data limited to early studies. | Growth Hormone Axis | Read | |
Colistimethate Coly-Mycin | Polypeptide antibiotic for multidrug-resistant gram-negative infections. | Antimicrobial | Read | |
Copper tripeptide-1 GHK-Cu (cosmetic form) | Topical formulation of GHK-Cu for cosmetic use. | Skin | Cosmetic | Read |
Corticotropin H.P. Acthar Gel · ACTH | Adrenocorticotropic hormone for infantile spasms and MS relapse. | Hormonal | Read |
D
| Peptide | Overview | Category | Status | |
|---|---|---|---|---|
Dalbavancin Dalvance | Long-acting lipoglycopeptide for skin infections. | Antimicrobial | Read | |
Daptomycin Cubicin | Cyclic lipopeptide antibiotic for gram-positive infections. | Antimicrobial | Read | |
Defensins Alpha/beta defensins | Class of endogenous antimicrobial peptides. No FDA-approved drug product. | Antimicrobial | Research Only | Read |
Degarelix Firmagon | GnRH antagonist for prostate cancer. | Oncology | Read | |
Desmopressin DDAVP · Stimate | Synthetic vasopressin analog for diabetes insipidus and bleeding disorders. | Hormonal | Read | |
Dihexa PNB-0408 | Synthetic angiotensin IV analog. Not FDA-approved; evidence is preclinical. | Cognitive | Research Only | Read |
DSIP Delta sleep-inducing peptide | Naturally occurring nonapeptide first isolated in sleep research. Not FDA-approved; human data limited. | Sleep | Read | |
Dulaglutide Trulicity | Once-weekly GLP-1 agonist for type 2 diabetes. | Metabolic | Read |
E
| Peptide | Overview | Category | Status | |
|---|---|---|---|---|
Enfuvirtide Fuzeon | HIV fusion inhibitor. | Antimicrobial | Read | |
Epitalon Epithalon · pineal tetrapeptide | Synthetic pineal tetrapeptide. Not FDA-approved; evidence is largely preclinical. | Longevity | Read | |
Exenatide Byetta · Bydureon | GLP-1 agonist for type 2 diabetes management. | Metabolic | Read |
F
| Peptide | Overview | Category | Status | |
|---|---|---|---|---|
FOXO4-DRI Senolytic peptide | Synthetic FOXO4-targeting peptide. Not FDA-approved; evidence is preclinical. | Longevity | Research Only | Read |
G
| Peptide | Overview | Category | Status | |
|---|---|---|---|---|
Ganirelix Ganirelix acetate | GnRH antagonist for controlled ovarian stimulation. | Hormonal | Read | |
GHK-Cu Copper tripeptide-1 | Naturally occurring copper-binding tripeptide used in topical cosmetics. Injectable forms are not FDA-approved. | Skin | Read | |
GHRP-2 Pralmorelin | Synthetic growth hormone secretagogue (GHRP class). Not FDA-approved; human data limited. | Growth Hormone Axis | Read | |
GHRP-6 Hexapeptide-2 | Synthetic growth hormone secretagogue (GHRP class). Not FDA-approved; human data limited. | Growth Hormone Axis | Read | |
Glucagon GlucaGen · Baqsimi · Gvoke | Pancreatic peptide hormone for severe hypoglycemia. | Metabolic | Read | |
Gonadorelin GnRH · Factrel | Synthetic gonadotropin-releasing hormone (GnRH). Previously FDA-approved as Factrel; the brand product was discontinued. Current US supply is compounded and not FDA-approved. | Hormonal | Read | |
Goserelin Zoladex | GnRH agonist depot implant for prostate and breast cancer. | Oncology | Read |
H
| Peptide | Overview | Category | Status | |
|---|---|---|---|---|
HCG Human chorionic gonadotropin | Peptide hormone FDA-approved (Novarel, Pregnyl) for specific fertility and hypogonadism indications. | Hormonal | Read | |
Hexarelin Examorelin | Synthetic growth hormone secretagogue (GHRP class). Not FDA-approved; human data limited. | Growth Hormone Axis | Read | |
HGH Fragment 176-191 AOD variant | Synthetic fragment of human growth hormone (amino acids 176–191). Not FDA-approved; investigational. | Metabolic | Read | |
Histrelin Vantas · Supprelin LA | GnRH agonist implant for central precocious puberty and prostate cancer. | Oncology | Read | |
Humanin Mitochondrial-derived peptide | Endogenous mitochondrial-derived peptide. Not FDA-approved; evidence is preclinical. | Longevity | Research Only | Read |
I
| Peptide | Overview | Category | Status | |
|---|---|---|---|---|
Insulin aspart Novolog · Fiasp | Rapid-acting insulin analog for diabetes. | Metabolic | Read | |
Insulin degludec Tresiba | Ultra-long-acting basal insulin for diabetes. | Metabolic | Read | |
Insulin glargine Lantus · Basaglar | Long-acting basal insulin for diabetes. | Metabolic | Read | |
Insulin lispro Humalog · Admelog | Rapid-acting insulin analog for diabetes. | Metabolic | Read | |
Ipamorelin Selective GHRP | Synthetic growth hormone secretagogue (GHRP class). Not FDA-approved; human data limited to early studies. | Growth Hormone Axis | Read |
K
| Peptide | Overview | Category | Status | |
|---|---|---|---|---|
Kisspeptin KP-10 · Kisspeptin-54 | Endogenous hormone of the reproductive (HPG) axis. Not FDA-approved; investigational. | Hormonal | Read | |
KPV Lysine-proline-valine tripeptide | Tripeptide (lysine-proline-valine) derived from alpha-MSH. Not FDA-approved; evidence is largely preclinical. | Tissue Repair Research | Read |
L
| Peptide | Overview | Category | Status | |
|---|---|---|---|---|
Lactoferrin peptides Lactoferricin fragments | Peptide fragments derived from the protein lactoferrin. No FDA-approved drug product. | Immune | Research Only | Read |
Lanreotide Somatuline Depot | Long-acting somatostatin analog for acromegaly and NETs. | Hormonal | Read | |
Leuprolide Lupron · Eligard | GnRH agonist for prostate cancer, endometriosis, and IVF. | Oncology | Read | |
Linaclotide Linzess | Guanylate cyclase-C agonist for IBS-C and chronic constipation. | GI | Read | |
Liraglutide Victoza · Saxenda | Daily GLP-1 agonist for type 2 diabetes and obesity. | Metabolic | Read | |
Lixisenatide Adlyxin | Once-daily GLP-1 agonist for type 2 diabetes. | Metabolic | Read | |
LL-37 Cathelicidin | The only known human cathelicidin antimicrobial peptide. Not FDA-approved; investigational. | Antimicrobial | Read | |
Lutetium Lu 177 dotatate Lutathera | Radiolabeled somatostatin analog for gastroenteropancreatic NETs. | Oncology | Read |
M
| Peptide | Overview | Category | Status | |
|---|---|---|---|---|
Macimorelin Macrilen | Oral ghrelin agonist for GH deficiency diagnosis. | Hormonal | Read | |
Matrixyl Palmitoyl pentapeptide-4 | Topical collagen-stimulating cosmetic peptide. | Skin | Cosmetic | Read |
Mazdutide LY3305677 · IBI362 | Dual GLP-1/glucagon receptor agonist approved in China. Not FDA-approved. | Metabolic | Research Only | Read |
Melanotan I Afamelanotide · Scenesse | Melanocortin analog approved for erythropoietic protoporphyria. | Skin | Read | |
Melanotan II MT-II | Synthetic melanocortin receptor agonist. Not FDA-approved; significant safety concerns. | Skin | Research Only | Read |
MK-677 Ibutamoren | Oral, non-peptide ghrelin receptor agonist. Not FDA-approved; investigational. | Growth Hormone Axis | Research Only | Read |
MOTS-c Mitochondrial-derived peptide | Endogenous mitochondrial-derived peptide. Not FDA-approved; evidence is largely preclinical. | Metabolic | Read |
N
| Peptide | Overview | Category | Status | |
|---|---|---|---|---|
N-Acetyl Selank Amidate NA-Selank-Amidate | Chemically modified analog of Selank. Not FDA-approved; investigational. | Cognitive | Research Only | Read |
N-Acetyl Semax Amidate NA-Semax-Amidate | Chemically modified analog of Semax. Not FDA-approved; investigational. | Cognitive | Research Only | Read |
Nafarelin Synarel | Nasal GnRH agonist for endometriosis and precocious puberty. | Hormonal | Read | |
Nesiritide Natrecor | Recombinant BNP for acute decompensated heart failure. | Cardiovascular | Read | |
Noopept GVS-111 | Synthetic dipeptide derivative. Not FDA-approved; investigational. | Cognitive | Research Only | Read |
O
| Peptide | Overview | Category | Status | |
|---|---|---|---|---|
Octreotide Sandostatin | Somatostatin analog for acromegaly, carcinoid, and VIPoma. | Hormonal | Read | |
Oritavancin Orbactiv · Kimyrsa | Single-dose lipoglycopeptide for skin infections. | Antimicrobial | Read | |
Oxytocin Pitocin · Syntocinon | Posterior pituitary hormone FDA-approved (Pitocin) for labor induction and postpartum use. | Hormonal | Read |
P
| Peptide | Overview | Category | Status | |
|---|---|---|---|---|
Palmitoyl tetrapeptide-7 PAL-GQPR | Anti-inflammatory cosmetic peptide. | Skin | Cosmetic | Read |
Palmitoyl tripeptide-1 PAL-GHK | Cosmetic collagen-stimulating peptide. | Skin | Cosmetic | Read |
Pasireotide Signifor · Signifor LAR | Somatostatin analog for Cushing disease and acromegaly. | Hormonal | Read | |
PDRN Polydeoxyribonucleotide | Polydeoxyribonucleotide (DNA fragments sourced from salmon). Injectable forms are not FDA-approved. | Tissue Repair Research | Read | |
PEG-MGF Pegylated mechano growth factor | Pegylated form of mechano growth factor, an IGF-1 splice variant. Not FDA-approved; evidence is preclinical. | Tissue Repair Research | Research Only | Read |
Pentosan polysulfate Elmiron | Semi-synthetic polysulfated polysaccharide for interstitial cystitis. | GI | Read | |
Plecanatide Trulance | Guanylate cyclase-C agonist for chronic constipation. | GI | Read | |
Pramlintide Symlin | Amylin analog for glycemic control in insulin-dependent diabetes. | Metabolic | Read |
S
| Peptide | Overview | Category | Status | |
|---|---|---|---|---|
Selank TP-7 heptapeptide | Synthetic analog of the immune peptide tuftsin. Not FDA-approved; human data limited. | Cognitive | Read | |
Semaglutide | GLP-1 receptor agonist for metabolic disease and weight management. | Metabolic | Read | |
Semax ACTH 4-10 analog | Synthetic analog of an ACTH fragment (ACTH 4-10). Not FDA-approved; human data limited. | Cognitive | Read | |
Sermorelin GRF 1-29 | Synthetic GHRH analog (GRF 1-29). Previously FDA-approved as Geref; the brand product was discontinued. Current US supply is compounded and not FDA-approved. | Growth Hormone Axis | Read | |
Setmelanotide Imcivree | MC4R agonist for rare genetic obesity. | Metabolic | Read | |
SS-20 Mitochondrial peptide | Synthetic mitochondria-targeting peptide. Not FDA-approved; evidence is preclinical. | Longevity | Research Only | Read |
SS-31 Elamipretide · Bendavia | Mitochondria-targeting peptide. FDA-approved (elamipretide) only for Barth syndrome. | Longevity | Research Only | Read |
T
| Peptide | Overview | Category | Status | |
|---|---|---|---|---|
TA1 (alternate naming) Thymosin alpha-1 alternate designation | Same molecule as Thymosin alpha-1; alternate naming. | Immune | Read | |
TB-500 Thymosin Beta-4 fragment | Synthetic fragment of thymosin beta-4. Not FDA-approved; evidence is largely from animal studies. | Tissue Repair Research | Read | |
Teduglutide Gattex · Revestive | GLP-2 analog for short bowel syndrome. | GI | Read | |
Teriparatide Forteo · Bonsity | Recombinant PTH 1-34 for severe osteoporosis. | Bone | Read | |
Terlipressin Terlivaz | Vasopressin analog for hepatorenal syndrome. | Cardiovascular | Read | |
Tesamorelin Egrifta | GHRH analog approved for HIV-associated lipodystrophy. | Metabolic | Read | |
Thymosin alpha-1 Zadaxin | Synthetic thymic peptide. Not FDA-approved; approved in some countries outside the US. | Immune | Read | |
Thymosin beta-4 Tβ4 (full-length) | Naturally occurring 43-amino-acid peptide (full-length thymosin beta-4). Not FDA-approved; investigational. | Tissue Repair Research | Read | |
Thymulin FTS-Zn | Zinc-dependent thymic peptide hormone. No FDA-approved drug product. | Immune | Research Only | Read |
Tirzepatide | Dual GIP/GLP-1 receptor agonist FDA-approved as Mounjaro and Zepbound. | Metabolic | Read | |
Triptorelin Trelstar | GnRH agonist for prostate cancer. | Oncology | Read |
V
| Peptide | Overview | Category | Status | |
|---|---|---|---|---|
Vancomycin Vancocin | Glycopeptide antibiotic for gram-positive infections including MRSA. | Antimicrobial | Read | |
Vasopressin Pitressin · Vasostrict | Posterior pituitary hormone; vasopressor and diabetes insipidus. | Cardiovascular | Read |
Z
| Peptide | Overview | Category | Status | |
|---|---|---|---|---|
Ziconotide Prialt | Synthetic ω-conotoxin; intrathecal analgesic for chronic pain. | Pain | Read |
A note on this library
This library lists peptides we research. Some peptides seen elsewhere online are omitted deliberately — either the human evidence is too thin, or the regulatory pathway does not permit it.