Compound library
176 peptides and related compounds, each with its mechanism, the human evidence, doses used in studies, safety findings and legal status. Every claim is linked to its source.
Looking for combinations? See blends and stacks. Want a visual overview? Open the Peptide Explorer.
5-Amino-1MQ
5-amino-1-methylquinolinium · 5-amino-1-methylquinolin-1-ium
5-Amino-1MQ is a small lab-made chemical, not a peptide, that blocks an enzyme called NNMT.
Abaloparatide
Tymlos · Eladynos
Abaloparatide is a lab-made peptide modeled on parathyroid hormone-related protein (PTHrP).
Ac-SDKP
N-acetyl-seryl-aspartyl-lysyl-proline · goralatide
Ac-SDKP is a tiny natural peptide, just four amino acids long, that the body cuts from a larger protein called thymosin beta-4.
ACE-031
Ramatercept · ActRIIB-IgG1
ACE-031 is a lab-made protein designed to block myostatin and related signals that limit muscle growth.
Adamax
Adamantyl Semax (seller description)
Adamax is a lab-made peptide sold online as a 'stronger' version of Semax, a Russian nasal nootropic.
Adipotide
FTPP · Prohibitin-targeting peptide 1
Adipotide is a lab-made peptide designed to destroy the blood vessels that feed white body fat, so the fat tissue shrinks.
Afamelanotide
Scenesse · [Nle4, D-Phe7]-α-MSH
Afamelanotide is a lab-made, longer-lasting copy of the skin-darkening hormone α-MSH.
AHK (Ala-His-Lys)
AHK · Ala-His-Lys
AHK is a three-amino-acid peptide (alanine, histidine, lysine) without copper.
AHK-Cu
L-alanyl-L-histidyl-L-lysine-Cu(II) · Ala-His-Lys-Cu
AHK-Cu is a tiny three-amino-acid peptide (alanine, histidine, lysine) bound to copper.
AICAR (acadesine)
acadesine · AICA riboside
AICAR is a small molecule (a nucleoside, not a peptide) that tricks cells into acting as if they are low on energy, switching on an enzyme called AMPK.
Amycretin
Zenagamtide (proposed INN, WHO List 133, 2025) · NNC0487-0111
Amycretin (now also called zenagamtide, its proposed international name) is an experimental Novo Nordisk drug that acts like two gut and pancreas hormones at once: GLP-1 and amylin.
Anamorelin
Adlumiz (Japan) · anamorelin hydrochloride
Anamorelin is a once-daily pill that copies the hunger hormone ghrelin.
AOD-9604
AOD9604 · Tyr-hGH 177-191
AOD-9604 is a small piece of human growth hormone that was developed in Australia as a fat-loss drug.
Apraglutide
FE 203799 · FE203799
Apraglutide is an experimental, long-acting copy of the gut hormone GLP-2, given as a once-weekly shot.
ARA-290
cibinetide · ARA 290
ARA-290 (cibinetide) is a small lab-made peptide based on part of the hormone erythropoietin (EPO).
Argireline (acetyl hexapeptide-8)
acetyl hexapeptide-8 · acetyl hexapeptide-3 (older INCI name)
Argireline is a short lab-made peptide used in anti-wrinkle creams and serums.
Avexitide
Exendin (9-39) · exendin-(9-39) amide
Avexitide is an experimental injected peptide that blocks the GLP-1 receptor, the opposite of drugs like semaglutide that switch it on.
B7-33
Single-chain relaxin B-chain analog · Relaxin mimetic B7-33
B7-33 is a small, single-chain lab peptide cut down from one chain of the human hormone relaxin-2.
BAM15
BAM-15 · BAM 15
BAM15 is a small lab-made chemical, not a peptide, that makes mitochondria burn fuel less efficiently, so the body wastes more energy as heat.
Bivalirudin
Angiomax · Hirulog
Bivalirudin is a lab-made blood thinner based on hirudin, the anticoagulant found in leech saliva.
BPC-157
Body Protection Compound-157 · PL 14736
BPC-157 is a lab-made chain of 15 amino acids based on part of a protein found in human stomach juice.
Bronchogen
AEDL peptide · Ala-Glu-Asp-Leu
Bronchogen is a tiny lab-made peptide, four amino acids long, from the Russian 'peptide bioregulator' program led by Vladimir Khavinson.
Cagrilintide (and CagriSema)
NN9838 · CagriSema (cagrilintide + semaglutide)
Cagrilintide is an experimental weekly shot that mimics amylin, a fullness hormone made by the pancreas.
Calcitonin (salmon)
Miacalcin · salmon calcitonin
Salmon calcitonin is a thyroid-type hormone taken from salmon that lowers blood calcium and slows bone breakdown.
Carbetocin
Pabal · Duratocin
Carbetocin is a lab-made, longer-lasting version of the hormone oxytocin.
Cardiogen
AEDR peptide · Ala-Glu-Asp-Arg
Cardiogen is a small lab-made peptide, four amino acids long, from Vladimir Khavinson's Russian 'peptide bioregulator' series.
Carnosine
L-carnosine · beta-alanyl-L-histidine
Carnosine is a tiny natural peptide made of just two building blocks, beta-alanine and histidine.
Cartalax
Kartalax · Kartalaks
Cartalax is a three-amino-acid peptide (Ala-Glu-Asp) from Vladimir Khavinson's Russian 'peptide bioregulator' series, promoted for cartilage, joints and bones.
Cerebrolysin
Porcine brain-derived peptide preparation
Cerebrolysin is an injectable medicine made from pig brain proteins that have been broken down into small peptides and free amino acids.
Cetrorelix
Cetrotide · cetrorelix acetate
Cetrorelix (brand name Cetrotide) is a lab-made peptide that blocks the brain signal that triggers ovulation.
Chonluten
Khonluten · Honluten
Chonluten is a very short lab-made peptide (three amino acids) from Vladimir Khavinson's Russian 'peptide bioregulator' series, aimed at the lungs and airways.
CJC-1295
CJC-1295 with DAC · CJC-1295 without DAC
CJC-1295 is a lab-made, modified version of the active part of growth-hormone-releasing hormone.
Colistin
Polymyxin E · Colistimethate sodium
Colistin (polymyxin E) is an old antibiotic from the 1950s that is now kept as a last-resort drug for serious infections caused by Gram-negative germs that resist almost everything else.
Cortagen
Kortagen · AEDP peptide
Cortagen is a small lab-made peptide (four amino acids) from Vladimir Khavinson's Russian 'peptide bioregulator' program, aimed at the brain cortex.
Cortexin
Кортексин · Korteksin
Cortexin is a Russian prescription drug made from a mix of small proteins (polypeptides) taken from the brain cortex of farm animals.
Cortistatin
CST · CORT (gene)
Cortistatin is a natural brain and immune-cell peptide that looks a lot like the hormone somatostatin.
Crystagen
EDP · Glu-Asp-Pro
Crystagen is a very small lab-made peptide, just three amino acids long (Glu-Asp-Pro), from Vladimir Khavinson's group in St.
Cyclosporine
ciclosporin · cyclosporin A
Cyclosporine is a ring-shaped peptide made by a soil fungus.
Daptomycin
Cubicin · Cubicin RF
Daptomycin is an antibiotic made by soil bacteria.
Dasiglucagon
Zegalogue · ZP4207
Dasiglucagon (brand name Zegalogue) is a lab-made version of the hormone glucagon.
Davunetide
NAP · NAPVSIPQ
Davunetide (also called NAP) is a small 8-amino-acid peptide taken from a brain protein called ADNP, which helps protect nerve cells.
Degarelix
Firmagon · FE 200486
Degarelix (brand name Firmagon) is a prescription drug for advanced prostate cancer.
Desmopressin
DDAVP · dDAVP
Desmopressin is a modified version of the body's water-saving hormone, vasopressin.
Difelikefalin
Korsuva · Kapruvia
Difelikefalin is a small lab-made peptide that switches on kappa opioid receptors, mostly outside the brain.
Dihexa
dihexa acetate · PNB-0408
Dihexa is a lab-made, modified mini-peptide based on angiotensin IV, a fragment of a blood-pressure hormone.
DSIP (delta sleep-inducing peptide)
emideltide · delta sleep-inducing peptide
DSIP is a small peptide first found in the 1970s in the blood of sleeping rabbits and named for its supposed ability to bring on deep sleep.
Dulaglutide
Trulicity · LY2189265
Dulaglutide (brand name Trulicity) is a once-weekly GLP-1 medicine for type 2 diabetes.
Ecnoglutide
XW003 · Xianyida (China, type 2 diabetes)
Ecnoglutide is a once-weekly GLP-1 injection made by Sciwind Biosciences in China.
Eloralintide
LY3841136
Eloralintide is an experimental weight-loss medicine from Eli Lilly, given as a once-weekly shot.
Enfuvirtide
Fuzeon · T-20
Enfuvirtide was the first HIV drug that blocks the virus from fusing with and entering cells.
Epitalon
epithalon · epithalone
Epitalon is a tiny four-amino-acid peptide made in the lab, modeled on an extract from the pineal gland.
Eptifibatide
Integrilin
Eptifibatide is a small ring-shaped peptide, modeled on a rattlesnake venom protein, that stops platelets from clumping.
Etelcalcetide
Parsabiv · AMG 416
Etelcalcetide (brand name Parsabiv) is a small man-made peptide given into a vein at the end of each dialysis session.
Exenatide
exendin-4 (synthetic) · Byetta
Exenatide was the first GLP-1 drug, a lab-made copy of a peptide found in Gila monster venom.
Follistatin-344
FS344 · FS-344
Follistatin is a natural protein that blocks myostatin, a signal that limits how big muscles grow.
FOXO4-DRI
FOXO4 D-retro-inverso peptide
FOXO4-DRI is a lab-made peptide designed to kill 'senescent' cells, old damaged cells that stop dividing but linger and cause inflammation.
Ganirelix
ganirelix acetate · Orgalutran
Ganirelix is a lab-made peptide that briefly blocks the brain signal that triggers ovulation.
GHK-Cu
Copper tripeptide-1 · Copper peptide
GHK-Cu is a tiny three-amino-acid peptide (GHK) bound to copper.
Ghrelin
lenomorelin · acyl ghrelin
Ghrelin is a natural hormone made mostly in the stomach.
GHRH (1-44)
Growth hormone-releasing hormone · Somatorelin
GHRH is the brain hormone that tells the pituitary gland to release growth hormone.
GHRP-2
Pralmorelin · KP-102
GHRP-2 is a small synthetic peptide that strongly triggers growth hormone release by acting on the ghrelin receptor.
GHRP-6
Growth hormone releasing peptide-6 · SKF-110679
GHRP-6 is one of the first synthetic peptides found to release growth hormone through what was later named the ghrelin receptor.
Glepaglutide
Zeydovio (proposed EU brand name) · ZP1848
Glepaglutide is a lab-made, long-acting version of GLP-2, a gut hormone that helps the small intestine grow and absorb more.
Glucagon
Glucagon Emergency Kit · GlucaGen
Glucagon is a pancreatic hormone that does the opposite of insulin: it tells the liver to release stored sugar.
Glutathione
GSH · reduced glutathione
Glutathione is a tiny three-amino-acid peptide that every cell makes and that serves as the body's main built-in antioxidant.
Gonadorelin
GnRH · LHRH
Gonadorelin is a synthetic copy of GnRH, the brain hormone that tells the pituitary to release LH and FSH.
hCG (human chorionic gonadotropin)
Human chorionic gonadotropin · Chorionic gonadotropin
hCG is a hormone made by the placenta during pregnancy.
Hexarelin
Examorelin · EP-23905
Hexarelin is a synthetic growth hormone-releasing peptide closely related to GHRP-6.
Humanin
HN · HNG (S14G analogue)
Humanin is a small peptide made from genetic code inside the mitochondria.
Icatibant
Firazyr · HOE 140
Icatibant is a lab-made 10-amino-acid peptide that blocks the receptor for bradykinin, a body chemical that causes the sudden swelling attacks of hereditary angioedema (HAE).
IGF-1 DES
des(1-3)IGF-I · des-(1-3)IGF-1
IGF-1 DES is a slightly shortened form of insulin-like growth factor 1 (IGF-1), a natural growth signal in the body.
IGF-1 LR3
Long R3 IGF-1 · LR3-IGF-1
IGF-1 LR3 is a lab-modified form of insulin-like growth factor 1, the hormone that carries out many of growth hormone's effects.
Insulin (human insulin and analogs)
regular human insulin · Humulin R
Insulin is the hormone the pancreas makes to move sugar from the blood into the body's cells.
Ipamorelin
Ipamorelin acetate · NNC 26-0161
Ipamorelin is a small lab-made peptide (five building blocks) that copies the hunger hormone ghrelin to make the pituitary release growth hormone.
Kisspeptin-10
KP-10 · metastin 45-54
Kisspeptin-10 is the shortest active piece of kisspeptin, a natural hormone that acts as the 'on switch' for the brain's reproductive hormone system.
Kisspeptin-54
KP-54 · Metastin
Kisspeptin-54 is the full-length, 54-amino-acid form of kisspeptin, the natural hormone that switches on the brain's reproductive system.
Klotho
alpha-Klotho · αKlotho
Klotho is a large protein the body makes, mostly in the kidneys, that helps control phosphate and vitamin D.
KPV
Lys-Pro-Val · alpha-MSH (11-13)
KPV is a very small peptide made of three amino acids (lysine, proline, valine).
L-carnitine (levocarnitine)
levocarnitine · carnitine
L-carnitine is a small nutrient the body makes from two amino acids and also gets from meat.
Lanreotide
Somatuline Depot · Somatuline Autogel
Lanreotide is a lab-made, long-acting copy of the body's hormone-blocking signal somatostatin.
Larazotide
larazotide acetate · AT-1001
Larazotide is a small, swallowed peptide designed to tighten the seals between cells lining the gut.
Leuphasyl (pentapeptide-18)
Pentapeptide-18 · [D-Ala2]-Leu-enkephalin
Leuphasyl is the trade name of pentapeptide-18, a small lab-made peptide used in anti-wrinkle creams and serums.
Leuprolide
leuprorelin · Lupron Depot
Leuprolide is a lab-made version of the brain hormone GnRH.
Linaclotide
Linzess · Constella
Linaclotide is a small peptide pill that works inside the gut to treat chronic constipation and constipation-type irritable bowel syndrome.
Liraglutide
Saxenda · Victoza
Liraglutide is an older, once-daily GLP-1 medicine.
Livagen
KEDA peptide · Lys-Glu-Asp-Ala
Livagen is a small lab-made peptide (four amino acids) from Vladimir Khavinson's Russian 'peptide bioregulator' series, named for the liver.
Lixisenatide
Adlyxin · Lyxumia
Lixisenatide is a short-acting GLP-1 medicine for type 2 diabetes, given as one shot a day before the first meal.
LL-37
cathelicidin LL-37 · human cathelicidin
LL-37 is the only cathelicidin-type germ-fighting peptide made by the human body.
Lonapegsomatropin
Skytrofa · lonapegsomatropin-tcgd
Lonapegsomatropin (brand name Skytrofa) is a once-weekly form of human growth hormone.
Macimorelin
Macrilen · AEZS-130
Macimorelin is an oral ghrelin-like drug used as a one-time test for growth hormone deficiency in adults.
Mazdutide
IBI362 · LY3305677
Mazdutide is a weekly shot that acts on both the GLP-1 and glucagon receptors.
Mecasermin
Increlex · rhIGF-1
Mecasermin is a lab-made copy of human IGF-1, the hormone that growth hormone normally tells the liver to make.
Mechano growth factor (MGF) and PEG-MGF
MGF · mechano-growth factor
Mechano growth factor (MGF) is the name for a form of IGF-1 that muscle makes after it is stretched or damaged, and for a short lab-made peptide copied from its tail end.
Melanostatin DM
Melanostatin-DM · H-His-D-Arg-Ala-Trp-D-Phe-Lys-NH2
Melanostatin DM is a lab-made six-amino-acid peptide designed in the late 1980s to block alpha-MSH, the hormone that darkens skin.
Melanotan II
MT-II · MT2
Melanotan II is a lab-made peptide that copies a skin-darkening hormone (α-MSH).
Menotropins (human menopausal gonadotropin, hMG)
hMG · HMG
Menotropins is a fertility drug made from purified urine of women after menopause, which naturally contains high levels of two reproductive hormones, FSH and LH.
MK-677 (Ibutamoren)
Ibutamoren mesylate · MK-0677
MK-677 (ibutamoren) is a pill, not a peptide, that copies ghrelin to raise growth hormone and IGF-1.
MOTS-c
mitochondrial open reading frame of the 12S rRNA-c · MOTSc
MOTS-c is a small peptide made from instructions in mitochondrial DNA, the cell's 'power plant' genes.
N-Acetyl Selank Amidate
NA-Selank Amidate · NA-Selank
N-Acetyl Selank Amidate is sold online as a chemically 'capped' version of Selank, a Russian anti-anxiety nasal peptide.
N-Acetyl Semax Amidate
NA-Semax-Amidate · N-acetyl Semax
N-Acetyl Semax Amidate is a chemically capped version of Semax, a short peptide registered as a nasal drug in Russia.
NAD+
nicotinamide adenine dinucleotide · β-NAD
NAD+ is not a peptide but a small helper molecule that every cell uses to make energy and repair DNA.
Navepegritide
Yuviwel · TransCon CNP
Navepegritide is a long-acting form of a natural growth-plate signal called C-type natriuretic peptide (CNP).
Nesfatin-1
Nesfatin · NUCB2-derived nesfatin-1
Nesfatin-1 is a natural peptide cut from a larger protein called NUCB2.
Nesiritide
Natrecor · recombinant human B-type natriuretic peptide (rhBNP)
Nesiritide is a lab-made copy of B-type natriuretic peptide (BNP), a hormone the heart releases when it is stretched.
Neuropeptide Y
NPY · Neuropeptide tyrosine
Neuropeptide Y (NPY) is one of the most common peptides in the brain and nerves.
Nisin
Nisin A · E234
Nisin is a small germ-killing peptide made by the bacterium Lactococcus lactis.
O-304 (ATX-304)
O304 · ATX-304
O-304, now called ATX-304, is an experimental small-molecule pill, not a peptide.
Octreotide
Sandostatin · Sandostatin LAR Depot
Octreotide is a long-acting, man-made version of somatostatin, the body's 'off switch' for many hormones.
Orexin-A
Hypocretin-1 · Orexin A
Orexin-A is a natural brain peptide that helps keep us awake and keeps sleep stages in order.
Orforglipron
Foundayo · LY3502970
Orforglipron is a once-daily pill that activates the GLP-1 receptor, but it is a small molecule, not a peptide.
Ovagen
EDL peptide · Glu-Asp-Leu
Ovagen is a very short lab-made peptide (three amino acids) from Vladimir Khavinson's Russian 'peptide bioregulator' series; its developers list it as a liver regulator.
Oxyntomodulin
OXM · Proglucagon (33-69)
Oxyntomodulin is a natural hormone made in the gut after eating.
Oxytocin
Pitocin · OT
Oxytocin is a natural hormone made in the brain that triggers labor contractions and milk let-down, and it also plays a role in social bonding.
P21 (P021)
P021 · Peptide 021
P21, also written P021, is a small lab-made peptide based on a short piece of ciliary neurotrophic factor (CNTF), a natural protein that supports nerve cells.
PACAP-38
Pituitary adenylate cyclase-activating polypeptide 38 · PACAP38
PACAP-38 is a natural nerve peptide, closely related to VIP, that widens blood vessels and acts on nerves in the head.
Pal-AHK (palmitoyl-Ala-His-Lys)
Pal-AHK · palmitoyl-AHK
Pal-AHK is sold online as the AHK peptide (alanine, histidine, lysine) with a fatty acid attached, by analogy with Pal-GHK.
Pal-GHK (palmitoyl tripeptide-1)
palmitoyl tripeptide-1 · Pal-GHK
Pal-GHK is the three-amino-acid peptide GHK (the same peptide that binds copper in GHK-Cu) with a fatty acid attached to help it soak into skin.
Palmitoyl pentapeptide-4 (Matrixyl)
Matrixyl · Pal-KTTKS
Palmitoyl pentapeptide-4, sold under the trade name Matrixyl, is a skin-care ingredient made of five amino acids joined to a fatty acid.
Palopegteriparatide
Yorvipath · TransCon PTH
Palopegteriparatide (brand name Yorvipath) is a once-daily injection for adults with hypoparathyroidism, a condition where the body makes too little parathyroid hormone (PTH) and blood calcium runs low.
Pancragen
Pankragen · KEDW
Pancragen is a tiny lab-made peptide, just four amino acids long, from Vladimir Khavinson's group in St.
Pasireotide
Signifor · Signifor LAR
Pasireotide is a man-made, ring-shaped peptide that copies the natural hormone somatostatin.
PE-22-28
PE 22-28 · Shortened spadin analog
PE-22-28 is a seven-amino-acid peptide cut down from spadin, a natural peptide that French researchers found has fast antidepressant-like effects in mice.
Pegcetacoplan
Empaveli · Syfovre
Pegcetacoplan is a man-made peptide drug that blocks C3, a central protein of the complement system, which is part of the body's immune defenses.
Pemvidutide
ALT-801 · SP-1373
Pemvidutide is an experimental weekly injection from Altimmune that acts on two hormone receptors, GLP-1 and glucagon.
Pentadeca Arginate (PDA)
PDA · pentadecapeptide arginate
Pentadeca arginate, or PDA, is a product sold mainly by wellness clinics and compounders as an alternative to BPC-157.
Peptide YY (PYY 3-36)
PYY3-36 · PYY(3-36)
Peptide YY 3-36 (PYY 3-36) is a natural hormone that the gut releases after a meal and that helps signal fullness.
Petrelintide
ZP8396
Petrelintide is an experimental weight-loss injection based on amylin, a fullness hormone made in the pancreas.
Pinealon
EDR peptide · Glu-Asp-Arg
Pinealon is a very short lab-made peptide (three amino acids) from Vladimir Khavinson's Russian 'peptide bioregulator' program, promoted for brain health.
Plecanatide
Trulance
Plecanatide (brand name Trulance) is a prescription tablet for long-term constipation in adults.
PNC-27
p53-penetratin chimeric peptide
PNC-27 is an experimental lab-made peptide that kills cancer cells in lab dishes and in some mouse experiments.
Pramlintide
Symlin · SymlinPen
Pramlintide is a lab-made version of amylin, a hormone released with insulin after meals.
Prostamax
ProstaMax · KEDP peptide
Prostamax is a small lab-made peptide (four amino acids) from Vladimir Khavinson's Russian 'peptide bioregulator' series, named for the prostate.
Protirelin (TRH)
Thyrotropin-releasing hormone · TRH
Protirelin is a lab-made copy of TRH, a tiny three-amino-acid hormone from the brain that tells the pituitary gland to release thyroid-stimulating hormone (TSH).
PT-141 (bremelanotide)
bremelanotide · Vyleesi
Bremelanotide, often called PT-141, is a lab-made peptide that acts on melanocortin receptors in the brain.
PTD-DBM
PTD-DBM peptide · Protein transduction domain-Dishevelled binding motif
PTD-DBM is a lab-made research peptide designed to switch on the Wnt growth signal in skin by blocking a 'brake' protein called CXXC5.
Retatrutide
LY3437943 · triple agonist
Retatrutide is an experimental weekly shot from Eli Lilly that acts on three hormone receptors: GIP, GLP-1, and glucagon.
Rigin (palmitoyl tetrapeptide-7)
palmitoyl tetrapeptide-7 · palmitoyl tetrapeptide-3 (alternative name)
Palmitoyl tetrapeptide-7, sold under the trade name Rigin, is a four-amino-acid peptide with a fatty acid attached.
Selank
TP-7 · selank acetate
Selank is a short lab-made peptide developed in Russia as an anti-anxiety medicine.
Semaglutide
Wegovy · Ozempic
Semaglutide is a long-acting copy of the gut hormone GLP-1.
Semax
ACTH(4-7)-Pro-Gly-Pro · Met-Glu-His-Phe-Pro-Gly-Pro
Semax is a lab-made peptide built from a small piece of the stress hormone ACTH, with three amino acids added so it lasts longer.
Serelaxin (relaxin-2)
Recombinant human relaxin-2 · H2 relaxin
Serelaxin is a lab-made copy of relaxin-2, a hormone the body makes in larger amounts during pregnancy that relaxes blood vessels.
Sermorelin
Sermorelin acetate · GRF 1-29 NH2
Sermorelin is a short, lab-made piece of the body's growth-hormone-releasing hormone.
Setmelanotide
Imcivree · BIM-22493
Setmelanotide is a small ring-shaped peptide that turns on the brain's MC4 'fullness' receptor.
SLU-PP-332
SLU-PP332 · (E)-4-hydroxy-N′-(naphthalen-2-ylmethylene)benzohydrazide
SLU-PP-332 is a lab-made small molecule (not a peptide) that switches on estrogen-related receptors, proteins that help muscles build mitochondria and burn fat.
SNAP-8 (acetyl octapeptide-3)
Acetyl octapeptide-3 · Acetyl glutamyl heptapeptide-3
SNAP-8 is a short lab-made peptide used in anti-wrinkle creams and serums.
Somapacitan
Sogroya · somapacitan-beco
Somapacitan (brand name Sogroya) is a long-acting form of human growth hormone that is injected once a week instead of every day.
Somatropin (human growth hormone)
hGH · HGH
Somatropin is a lab-made copy of human growth hormone, the pituitary hormone that drives growth in children and helps control body fat and muscle in adults.
SS-31 (elamipretide)
elamipretide · Forzinity
SS-31, now called elamipretide, is a small lab-made peptide that travels to the mitochondria, the cell's power plants.
Survodutide
BI 456906
Survodutide is an experimental weekly shot that acts on both the glucagon and GLP-1 receptors.
Syn-Coll (palmitoyl tripeptide-5)
palmitoyl tripeptide-5 · Pal-KVK
Palmitoyl tripeptide-5, sold as Syn-Coll, is a three-amino-acid peptide (lysine-valine-lysine) with a fatty acid attached.
TB-500 / Thymosin beta-4
Thymosin beta-4 · Tβ4
Thymosin beta-4 (Tβ4) is a natural 43-amino-acid protein found in almost every cell, where it helps control the cell's internal skeleton and cell movement.
Teduglutide
Gattex · Revestive
Teduglutide is a longer-lasting version of GLP-2, a gut hormone that helps the intestine grow and absorb nutrients.
Teriparatide
Forteo · rhPTH(1-34)
Teriparatide is a lab-made copy of the first 34 amino acids of human parathyroid hormone.
Terlipressin
Terlivaz · triglycyl lysine vasopressin
Terlipressin is a man-made version of the hormone vasopressin that tightens blood vessels.
Tesamorelin
Egrifta · Egrifta SV
Tesamorelin is a lab-made version of the body's growth-hormone-releasing hormone.
Tesofensine
NS2330 · NS 2330
Tesofensine is a small-molecule pill, not a peptide.
Testagen
KEDG peptide · Lys-Glu-Asp-Gly
Testagen is a small lab-made peptide (four amino acids) from Vladimir Khavinson's Russian 'peptide bioregulator' series, named for the testes and marketed online for male hormonal health.
Thymalin
Thymaline · Timalin
Thymalin is a mix of small protein pieces (peptides) taken from the thymus gland of young calves.
Thymogen
Oglufanide · Oglufanide disodium
Thymogen is a tiny two-amino-acid peptide (glutamic acid joined to tryptophan) that is registered as an immune-stimulating drug in Russia.
Thymopentin
TP-5 · TP5
Thymopentin (TP-5) is a tiny five-amino-acid peptide copied from thymopoietin, a hormone made by the thymus gland.
Thymosin alpha-1
thymalfasin · Zadaxin
Thymosin alpha-1 is a small protein fragment first found in the thymus, the organ that trains immune T cells.
Thymosin beta-4
Tβ4 · TB4
Thymosin beta-4 is a small protein made naturally in the body that holds on to actin, a building block cells use to change shape and move.
Thymulin
Facteur thymique sérique (FTS) · Serum thymic factor
Thymulin is a small hormone made only by epithelial cells of the thymus, a gland in the chest that helps T cells (a type of white blood cell) develop [4][5].
Tirzepatide
Zepbound · Mounjaro
Tirzepatide is a weekly shot that acts on two gut-hormone receptors, GIP and GLP-1, at once.
Tripeptide-29 (Gly-Pro-Hyp, collagen tripeptide)
tripeptide-29 · Gly-Pro-Hyp
Tripeptide-29 is the cosmetic ingredient name for a tiny three-amino-acid piece of collagen, glycine-proline-hydroxyproline (Gly-Pro-Hyp).
Triptorelin
Trelstar · Triptodur
Triptorelin is a man-made version of GnRH, the brain hormone that tells the body to make sex hormones.
Vancomycin
Vancocin · Firvanq
Vancomycin is an older antibiotic, in use since the late 1950s, that kills many germs of the Gram-positive type, including MRSA, a staph germ that resists many other antibiotics.
Vasoactive intestinal peptide (VIP)
VIP · aviptadil
VIP is a natural hormone and brain signaling peptide that relaxes blood vessels and smooth muscle and calms inflammation.
Vasopressin
arginine vasopressin · AVP
Vasopressin, also called antidiuretic hormone, is a natural hormone that helps the body keep water and tightens blood vessels.
Vesugen
Vezugen · KED peptide
Vesugen is a very short lab-made peptide (three amino acids) from Vladimir Khavinson's Russian 'peptide bioregulator' program, promoted for blood-vessel health.
Vialox (pentapeptide-3)
pentapeptide-3 · Vialox
Vialox (pentapeptide-3) is a five-amino-acid peptide modeled on a snake venom toxin and sold in creams as a 'Botox-like' wrinkle relaxer.
Vilon
KE dipeptide · Lys-Glu
Vilon is the smallest of Vladimir Khavinson's Russian 'peptide bioregulators': just two amino acids (lysine and glutamic acid).
VK2735
VK-2735 · Oral VK2735 (tablet form)
VK2735 is an experimental weight-loss drug from Viking Therapeutics that switches on two gut-hormone receptors, GLP-1 and GIP, much like tirzepatide.
Vosoritide
Voxzogo · BMN 111
Vosoritide is a lab-made version of a natural growth-plate signal called C-type natriuretic peptide (CNP).
Ziconotide
Prialt · SNX-111
Ziconotide is a lab-made copy of a toxin from a fish-hunting cone snail.
Zilucoplan
Zilbrysq · zilucoplan sodium
Zilucoplan (brand name Zilbrysq) is a once-daily injection under the skin for adults with generalized myasthenia gravis who test positive for antibodies against the acetylcholine receptor.
BPC-157 + TB-500
BPC-157 + TB-500 / Thymosin beta-4
Two tissue-repair peptides sold together, either pre-mixed in one vial or as two vials.
GLOW blend
GHK-Cu + BPC-157 + TB-500 / Thymosin beta-4
A trade name for a pre-mixed vial of three peptides.
KLOW blend
GHK-Cu + BPC-157 + TB-500 / Thymosin beta-4 + KPV
GLOW with KPV added. It is a seller-defined product, and the contents and amounts vary.
Tri-Heal blend
TB-500 / Thymosin beta-4 + BPC-157 + KPV
A seller-named mix of three peptides promoted for recovery.
CJC-1295 + Ipamorelin
CJC-1295 + Ipamorelin
Pairs a GHRH analog with a ghrelin-receptor agonist, the two main ways to push the pituitary to release growth hormone.
CJC-1295 + GHRP-2
CJC-1295 + GHRP-2
Another GHRH-analog-plus-secretagogue pairing, based on the same reasoning as CJC-1295 + ipamorelin.
Tesamorelin + Ipamorelin
Tesamorelin + Ipamorelin
Combines an FDA-approved GHRH analog (tesamorelin, approved for HIV-associated belly fat) with an unapproved secretagogue.
AOD-9604 + CJC-1295 + Ipamorelin
AOD-9604 + CJC-1295 + Ipamorelin
A seller-made three-peptide mix promoted for fat loss.
CagriSema (cagrilintide + semaglutide)
Cagrilintide (and CagriSema) + Semaglutide
The only combination here that has been tested properly: a fixed-dose pairing of an amylin analog and a GLP-1 drug, made by Novo Nordisk.
Melanotan II + PT-141
Melanotan II + PT-141 (bremelanotide)
Two closely related melanocortin peptides.