Index by category›
Research areas
Peptides by research area
Two ways to explore: peptide by peptide, or by the area each is studied for. Each area summarises the research and state of evidence, then links to the individual entries. Educational only, not medical advice.

Recovery & injury
8Peptides studied in the context of tissue repair, tendon and ligament healing, inflammation, and wound recovery.
Cibinetide · BPC-157 · TB-500 · Thymosin beta-4 · KPV · GHK-Cu · Larazotide acetate · Pentadeca-arginate

Muscle & growth hormone
40Peptides studied for their effects on the growth hormone / IGF-1 axis, including secretagogues and GHRH analogs explored in research contexts.
CJC-1295 · Ipamorelin · Tesamorelin · Sermorelin · GHRP-2 · GHRP-6 · Hexarelin · Follistatin-344 · IGF-1 LR3 · Ostarine (Enobosarm, MK-2866) · Testolone (RAD-140) · Ligandrol (LGD-4033) · Andarine (S-4) · S-23 · S-40503 · RAD150 (TLB-150) · Ibutamoren (MK-677) · PF-06260414 · YK-11 · GSK2881078 · OPK-88004 (LY2452473) · MK-3984 · GLPG0492 (DT-200) · S-101479 · ACP-105 · Octreotide · AC-262536 · LGD-3303 · LGD-2226 · LGD-2941 · LG121071 · S-1 · TFM-4AS-1 · MK-4541 · BMS-564929 · LY305 · Methasterone (Superdrol) · Methylstenbolone · Dymethazine · Epistane (Methylepitiostanol)

Weight management
34Peptides studied for weight and metabolic effects, from approved incretin medicines to discontinued fat-loss fragments.
Semaglutide · Tirzepatide · Retatrutide · Danuglipron · Orforglipron · CagriSema · Tesamorelin · AOD-9604 · hGH Fragment 176-191 · Liraglutide · Cagrilintide · MariTide · Mazdutide · Pemvidutide · Survodutide · Efpeglenatide · Cardarine (GW-501516) · SLU-PP-332 · 5-Amino-1MQ · Stenabolic (SR9009) · GW-0742 · SR9011 · AICAR (Acadesine) · Levocarnitine · Tesofensine · Cotadutide · Enicepatide · Zenagamtide · Eloralintide · Petrelintide · VK2735 · Setmelanotide · Glucagon · Dasiglucagon

Skin, hair & cosmetic
11Peptides studied in skin, hair, and pigmentation contexts, from copper-peptide cosmetics to unapproved tanning agents.
GHK-Cu · AHK-Cu · Melanotan I · Melanotan II · SNAP-8 (Acetyl Octapeptide-3) · Vesilute · Argireline · Matrixyl · Matrixyl 3000 · Capixyl · SYN-COLL

Cognition, mood & sleep
29Neuropeptides studied for cognition, anxiety, neuroprotection, and sleep. Much of the evidence is regional or preliminary.
Semax · Selank · GB-115 (Ranquilon) · FGL · Orexin-A · Cerebrolysin · DSIP · Oxytocin · Pinealon · Cortagen · Dihexa · Noopept · Cortexin · Bromantane · P021 · PACAP · Alpha-GPC · 9-ME-BC · Adamax · RG-3 · BDNF · NGF · GK-2 · GSB-106 · GSB-214 · CNTF · HGF · Orexin-B · PE-22-28

Longevity & cellular health
17Peptides studied for ageing, mitochondrial function, and cellular maintenance. This is an area heavy on hype and light on human evidence.
Urolithin A · Epitalon · MOTS-c · SS-31 · Humanin · FOXO4-DRI · Teriparatide · Abaloparatide · Cardiogen · Livagen · Pancragen · Chonluten · Bronchogen · Cartalax · Methylene Blue · Glutathione · NAD+ (Nicotinamide Adenine Dinucleotide)

Immune support
7Peptides studied in immune modulation and host defense. One is approved abroad, the other an endogenous antimicrobial peptide.
Thymosin alpha-1 · LL-37 · Thymalin · Thymogen · Vilon · Crystagen · Ovagen

Sexual & reproductive health
10Peptides studied in the context of libido, erectile function, and the reproductive hormone axis.
Kisspeptin · Melanotan II · PT-141 · Gonadorelin · hCG (human chorionic gonadotropin) · Enclomiphene · Oxytocin · Testagen · Prostamax · Leuprorelin (Leuprolide)
Approved peptide medicines — verification pilot
9A source-gated pilot of approved peptide medicines and one biologic peptide mixture, verified independently from the imported discovery source.
Exenatide · Pramlintide · Calcitonin (salmon) · Triptorelin · Goserelin · Cetrorelix · Menotropins (hMG) · Lixisenatide · Buserelin
PeptideGuide source catalog — verification pending
Verification pending90Complete coverage of compounds discovered in PeptideGuide that still await independent PeptideInfo identity and evidence review.
9-ME-BC · A7 (Angiotensin 1-7) · Abarelix · ACE-031 · Adamax · Adifyline · Adipotide · Alpha-GPC · Altglutide · Anastrozole · Pentadeca-arginate · Argireline · Bonomarlot · Bonothyrk · Ultimate Recovery Stack · Capixyl · Cerluten · Chelohart · Chitomur · CoQ10 · Decorinyl · Delisens · Dermaxyl · Diffuporine · DMT · Ecnoglutide · Endoluten · Eyeliss · Eyeseryl · FGL · Follistatin-315 · CJC-1295 + Ipamorelin · Performance GH Stack · Glandokort · Gotratix · Honluten · IGF-1 DES · Juveleven · Ketamine · Leuphasyl · Libidon · LSD · Matrixyl · Matrixyl 3000 · Matrixyl Synthe'6 · MDMA · Melitane · Metformin · MGF (Mechano Growth Factor) · Lash Peptide · NAC · GIP (Native) · GLP-1 (Native) · Orexin-A · PACAP · PEG-MGF · Pielotax · Progeline · Psilocybin · PTD-DBM · Rapamycin (Sirolimus) · RG-3 · Rigin · Sigumir · Spermidine · Stamakort · Suprefort · Svetinorm · Syn-Ake · SYN-COLL · Synapsin · Taxorest · Telangyn · Telmisartan · Testoluten · THF-γ2 · Thymopentin (TP-5) · Thymulin · Thyreogen · U-74389G · UBT251 · Uplevity · Ventfort · Vesugen · Vincerten · VIP (Aviptadil) · Visoluten · Vladonix · The Wolverine Blend · Zhenoluten
Bioregulators: molecules, complexes and organ claims
Verification pending24An organ name does not tell you what a product contains or where it acts. Start by distinguishing a defined synthetic peptide, a supplier-described peptide complex and an unresolved catalog name. The map below covers the existing bioregulator catalog; it is an identity map, not an efficacy ranking.
Bonomarlot · Bonothyrk · Cerluten · Chelohart · Chitomur · Endoluten · Glandokort · Gotratix · Honluten · Libidon · Pielotax · Sigumir · Stamakort · Suprefort · Svetinorm · Taxorest · Testoluten · Thyreogen · Ventfort · Vesugen · Vincerten · Visoluten · Vladonix · Zhenoluten
GK-2, GSB-106 and GSB-214: compare the evidence
Verification pending3Three neurotrophin mimetics, different experiments and important limits on comparison.
GK-2 · GSB-106 · GSB-214
Approved non-peptide medicines
2Defined small-molecule medicines that appeared in the source peptide catalog but must be classified and read as non-peptides.
Tadalafil · Ezetimibe