Peptide Library
Clear, sourced, plain-English overviews of well-known research peptides - what each one is, how it is reported to work, and the effects people claim. We don’t hype, and we don’t tell you to take anything.
- Metabolic / Fat Loss
5-Amino-1MQ
5-Amino-1-methylquinolinium, NNMT inhibitor
5-Amino-1MQ is a small-molecule NNMT inhibitor commonly grouped with fat-loss peptides in the research community, taken orally and studied preclinically for effects on fat cells and metabolism. It is a research compound, not an approved medicine in Australia.
Read overview - Metabolic / Fat Loss
Adipotide
FTPP, Prohibitin-targeting peptide
Adipotide is an experimental peptide studied only in preclinical and animal research for effects on fat tissue. It has not been tested or approved for human use.
Read overview - Metabolic / Fat Loss
AOD-9604
Anti-Obesity Drug 9604, hGH fragment 176-191 analog
AOD-9604 is a modified fragment of human growth hormone that was once trialled for obesity. It is not approved as a medicine in Australia.
Read overview - Cosmetic / Skin
Argireline
Acetyl Hexapeptide-8, Acetyl Hexapeptide-3
Argireline is a synthetic peptide used as a topical cosmetic ingredient, often marketed in anti-ageing formulations. It is a cosmetic ingredient, not a medicine.
Read overview - Healing & Recovery
BPC-157
Body Protection Compound 157, PL 14736
BPC-157 is a synthetic peptide fragment derived from a protein found in gastric juice. It is widely discussed online for reported tissue-healing and anti-inflammatory effects, but human clinical evidence remains very limited.
Read overview - Metabolic / GLP-1
Cagrilintide
AM833
Cagrilintide is an investigational long-acting amylin analogue being studied for weight management, often in combination with semaglutide as CagriSema. It is not an approved medicine.
Read overview - Antioxidant / Longevity
Carnosine
L-carnosine, beta-alanyl-L-histidine
Carnosine is a naturally occurring dipeptide found in muscle and brain tissue, often discussed for its antioxidant properties. It is available as a dietary supplement and is not a medicine for disease claims.
Read overview - Cognitive / Nootropic
Cerebrolysin
FPF-1070
Cerebrolysin is a mixture of peptides and amino acids derived from pig brain tissue, studied for reported neuroprotective effects. It is used in some countries but is not approved for human use in Australia.
Read overview - Growth Hormone Secretagogue
CJC-1295
CJC-1295 DAC, Modified GRF (1-29) (no-DAC variant)
CJC-1295 is a synthetic growth-hormone-releasing hormone (GHRH) analogue studied in early research for its reported ability to increase growth hormone and IGF-1 levels. It is not approved for human use in Australia.
Read overview - Cognitive / Nootropic
Dihexa
PNB-0408, N-hexanoic-Tyr-Ile-(6) aminohexanoic acid
Dihexa is a synthetic peptide-derived research compound studied for reported effects on synapse formation and cognition. It is a research compound only and is not approved for human use.
Read overview - Sleep / Neuropeptide
DSIP
Delta Sleep-Inducing Peptide
DSIP (Delta Sleep-Inducing Peptide) is a naturally occurring neuropeptide studied for reported effects on sleep and stress. It is a research peptide and is not approved for human use.
Read overview - Metabolic / GLP-1
Dulaglutide
Trulicity
Dulaglutide is a once-weekly GLP-1 receptor agonist approved in Australia as a prescription medicine for type 2 diabetes. Grey-market versions are not approved.
Read overview - Longevity / Anti-Aging
Epitalon
Epithalon, AEDG peptide
Epitalon is a synthetic tetrapeptide studied for reported effects on telomerase activity and ageing. It is a research peptide that is not approved for human use, and its longevity claims are unproven in humans.
Read overview - Metabolic / GLP-1
Exenatide
Byetta, Bydureon
Exenatide is one of the earliest GLP-1 receptor agonists, approved in Australia as a prescription medicine for type 2 diabetes. Grey-market versions are not approved.
Read overview - Growth Factor
Follistatin 344
FS-344
Follistatin 344 is a form of the naturally occurring protein follistatin, studied in early research for its reported ability to bind and inhibit myostatin. It is not approved for human use in Australia.
Read overview - Longevity / Anti-Aging
FOXO4-DRI
FOXO4-D-Retro-Inverso, Proxofim
FOXO4-DRI is an experimental senolytic peptide studied mostly in animals for its reported ability to selectively clear senescent ('aged') cells. It is not approved for human use, and human dosing has not been established.
Read overview - Cosmetic / Skin
GHK-Cu
Copper tripeptide-1, Copper Peptide GHK-Cu
GHK-Cu is a naturally occurring copper-binding tripeptide widely used as a cosmetic skincare ingredient. It is reported to support skin appearance in topical products, but it is not an approved medicine for systemic or injected use in Australia.
Read overview - Growth Hormone Secretagogue
GHRP-2
Pralmorelin
GHRP-2 is a synthetic growth hormone releasing peptide and ghrelin-mimetic studied in early research for its reported ability to stimulate growth hormone release. It is not approved for human use in Australia.
Read overview - Growth Hormone Secretagogue
GHRP-6
Growth Hormone Releasing Peptide-6
GHRP-6 is a synthetic growth hormone releasing peptide and ghrelin-mimetic studied in early research for its reported ability to stimulate growth hormone release and appetite. It is not approved for human use in Australia.
Read overview - Cosmetic / Antioxidant
Glutathione
GSH, L-glutathione
Glutathione is a naturally occurring antioxidant tripeptide found in the body and available as an oral supplement. Intravenous use, including for skin whitening, is not TGA-approved in Australia.
Read overview - Reproductive / Hormonal
Gonadorelin
GnRH, LHRH
Gonadorelin is a synthetic form of gonadotropin-releasing hormone used in some diagnostic and fertility contexts. It is a prescription-only medicine in those settings.
Read overview - Reproductive / Hormonal
HCG
Human Chorionic Gonadotropin, Pregnyl (brand), Ovidrel (brand)
HCG (human chorionic gonadotropin) is a hormone approved in Australia as a prescription medicine for fertility and certain hormonal indications. Off-label use for TRT support or bodybuilding is unapproved and remains prescription-only.
Read overview - Growth Hormone Secretagogue
Hexarelin
Examorelin
Hexarelin is a synthetic growth hormone releasing peptide and ghrelin-mimetic studied in early research for its reported ability to stimulate growth hormone release. It is not approved for human use in Australia.
Read overview - Metabolic / Fat Loss
HGH Fragment 176-191
HGH Frag 176-191, Frag 176-191
HGH Fragment 176-191 is a fragment of human growth hormone studied in research settings for effects on fat metabolism. It is not approved for human use in Australia and is treated as a research compound.
Read overview - Longevity / Mitochondrial
Humanin
HN, mitochondrial-derived peptide
Humanin is a mitochondrial-derived peptide studied for reported cytoprotective and metabolic effects. It is a research peptide and is not approved for human use.
Read overview - Growth Factor
IGF-1 DES
DES(1-3) IGF-1
IGF-1 DES is a truncated analogue of insulin-like growth factor 1 missing the first three N-terminal amino acids, used as a research reagent. It is not approved for human use in Australia.
Read overview - Growth Factor
IGF-1 LR3
Long R3 IGF-1
IGF-1 LR3 is a modified, longer-acting analogue of insulin-like growth factor 1 used widely as a cell-culture research reagent. It is not approved for human use in Australia.
Read overview - Growth Hormone Secretagogue
Ipamorelin
NNC 26-0161
Ipamorelin is a synthetic growth hormone secretagogue (a ghrelin-mimetic) studied in early research for its reported ability to stimulate growth hormone release. It is not approved for human use in Australia.
Read overview - Reproductive / Hormonal
Kisspeptin-10
KP-10, Metastin 45-54
Kisspeptin-10 is a fragment of the kisspeptin protein that plays a central role in regulating reproductive hormone signalling. It is a research peptide and is not approved for human use in Australia.
Read overview - Immune / Anti-inflammatory
KPV
alpha-MSH(11-13), Lysine-Proline-Valine
KPV is a short tripeptide fragment related to alpha-MSH, studied in the laboratory for reported anti-inflammatory properties. It is a research peptide and is not approved for human use in Australia.
Read overview - Gut Health
Larazotide
Larazotide acetate, AT-1001, INN-202
Larazotide is an investigational peptide studied in clinical trials for coeliac disease, where it has been examined as a possible gut-barrier-related agent. It is not an approved medicine in Australia.
Read overview - Metabolic / GLP-1
Liraglutide
Victoza, Saxenda
Liraglutide is a GLP-1 receptor agonist approved in Australia as a prescription medicine for type 2 diabetes and, under separate branding, weight management. Grey-market versions are not approved.
Read overview - Immune / Antimicrobial
LL-37
Cathelicidin antimicrobial peptide, CAP-18 fragment
LL-37 is a naturally occurring human antimicrobial peptide derived from cathelicidin, studied in the laboratory for immune and antimicrobial roles. It is a research peptide and is not approved for human use in Australia.
Read overview - Cosmetic / Skin
Matrixyl
Palmitoyl Pentapeptide-4, Matrixyl 3000
Matrixyl is a trade name for palmitoyl pentapeptide cosmetic ingredients used in topical skincare. It is a cosmetic ingredient, not a medicine.
Read overview - Metabolic / GLP-1
Mazdutide
IBI362, LY3305677
Mazdutide is an investigational dual GLP-1 and glucagon receptor agonist being studied for weight management and metabolic conditions. It is not an approved medicine.
Read overview - Tanning / Melanocortin
Melanotan I
Afamelanotide, Scenesse
Melanotan I (afamelanotide) is a melanocortin peptide. As Scenesse it is approved for a rare condition (erythropoietic protoporphyria), but cosmetic tanning use is not approved.
Read overview - Tanning / Melanocortin
Melanotan II
MT-2, MT-II
Melanotan II is a synthetic melanocortin peptide that has been studied in relation to skin pigmentation. It is NOT approved for human use in Australia, and the TGA has warned against melanotan products.
Read overview - Growth Factor
MGF
Mechano Growth Factor, IGF-1Ec
MGF (Mechano Growth Factor) is a splice variant of IGF-1 expressed in response to mechanical loading, studied in early research for its reported role in muscle repair. It is not approved for human use in Australia.
Read overview - Longevity / Mitochondrial
MOTS-c
Mitochondrial-derived peptide
MOTS-c is a mitochondrial-derived peptide studied for reported effects on metabolism and cellular stress responses. It is a research peptide and is not approved for human use.
Read overview - Hormonal / Neuropeptide
Oxytocin
Syntocinon
Oxytocin is a naturally occurring hormone and neuropeptide involved in childbirth, lactation and social behaviour. As Syntocinon it is a registered prescription medicine for obstetric use; other uses are off-label or unapproved.
Read overview - Cognitive / Nootropic
P21
P021
P21 is a research neurogenic and nootropic compound derived from ciliary neurotrophic factor (CNTF), studied preclinically for reported effects on neurogenesis and memory. It is not an approved medicine in Australia.
Read overview - Growth Factor
PEG-MGF
PEGylated Mechano Growth Factor
PEG-MGF is a PEGylated (polyethylene-glycol-attached) form of Mechano Growth Factor designed in research to extend its stability. It is not approved for human use in Australia.
Read overview - Healing & Recovery
Pentadeca Arginate
PDA, Pentadecapeptide arginate
Pentadeca Arginate (PDA) is a newer research peptide structurally related to BPC-157, discussed in the context of tissue repair. It is not approved for human use in Australia.
Read overview - Cognitive / Nootropic
Pinealon
Pinealon tripeptide
Pinealon is a synthetic tripeptide developed in Russia and studied for reported neuroprotective and cognitive effects. It is a research peptide and is not approved for human use.
Read overview - Sexual Health
PT-141
Bremelanotide, Vyleesi
PT-141 (bremelanotide) is a melanocortin receptor agonist studied for sexual dysfunction. As Vyleesi it is approved in the US for a specific condition, but it is not generally approved for human use in Australia.
Read overview - Metabolic / GLP-1
Retatrutide
LY3437943, GGG tri-agonist
Retatrutide is an investigational triple receptor agonist (GLP-1, GIP and glucagon) being studied in clinical trials for metabolic conditions. It is not approved for use anywhere.
Read overview - Cognitive / Nootropic
Selank
TP-7
Selank is a synthetic peptide developed in Russia, based on the immunomodulatory peptide tuftsin. It is studied chiefly for reported anti-anxiety and cognitive effects and is not approved for human use in Australia.
Read overview - Metabolic / GLP-1
Semaglutide
Ozempic (brand), Wegovy (brand)
Semaglutide is a GLP-1 receptor agonist approved in Australia as a prescription medicine for type 2 diabetes and, under separate branding, weight management. Compounded and grey-market versions are not approved.
Read overview - Cognitive / Nootropic
Semax
ACTH(4-10) analogue
Semax is a synthetic peptide developed in Russia, derived from a fragment of adrenocorticotropic hormone (ACTH). It is studied chiefly for reported cognitive and neuroprotective effects and is not approved for human use in Australia.
Read overview - Growth Hormone Secretagogue
Sermorelin
GRF 1-29, Geref
Sermorelin is a synthetic fragment of growth hormone releasing hormone (the first 29 amino acids). It was historically used as a diagnostic agent but is not currently approved for general human use in Australia.
Read overview - Cosmetic / Skin
SNAP-8
Acetyl Octapeptide-3
SNAP-8 is a synthetic octapeptide used as a topical cosmetic ingredient, often marketed in anti-ageing skincare. It is a cosmetic ingredient, not a medicine.
Read overview - Longevity / Mitochondrial
SS-31
Elamipretide, MTP-131
SS-31 (elamipretide) is a mitochondria-targeting peptide investigated for reported effects on mitochondrial function. It is an investigational compound in clinical trials and is not approved for human use.
Read overview - Metabolic / GLP-1
Survodutide
BI 456906
Survodutide is an investigational dual GLP-1 and glucagon receptor agonist being studied for obesity and liver-related conditions. It is not an approved medicine.
Read overview - Healing & Recovery
TB-500
Thymosin Beta-4 (fragment), TB4
TB-500 is a synthetic peptide related to the naturally occurring protein Thymosin Beta-4. It is discussed online for reported effects on tissue repair and flexibility, though human evidence is very limited.
Read overview - Growth Hormone Secretagogue
Tesamorelin
Egrifta
Tesamorelin is a synthetic growth hormone releasing hormone (GHRH) analogue. It is approved overseas for HIV-associated lipodystrophy but is not generally approved for general human use in Australia.
Read overview - Immune
Thymalin
Thymus peptide preparation
Thymalin is a thymus-derived peptide preparation studied and used in some countries for immune-related purposes. It is not approved for human use in Australia.
Read overview - Immune
Thymosin Alpha-1
Thymalfasin, Zadaxin, Ta1
Thymosin Alpha-1 (thymalfasin) is a peptide studied for immune-modulating roles and approved as a medicine in some countries. It is not generally approved for human use in Australia.
Read overview - Metabolic / GLP-1
Tirzepatide
Mounjaro (brand), Zepbound (brand), GIP/GLP-1 dual agonist
Tirzepatide is a dual GIP and GLP-1 receptor agonist approved in Australia as a prescription medicine for type 2 diabetes and weight management. Compounded and grey-market versions are not approved.
Read overview - Reproductive / Hormonal
Triptorelin
Decapeptyl, GnRH agonist
Triptorelin is a long-acting gonadotropin-releasing hormone agonist and a TGA-approved prescription medicine used for certain hormone-sensitive conditions. It is a prescription-only medicine.
Read overview - Gut / Vasoactive
VIP
Vasoactive Intestinal Peptide, Aviptadil
VIP (vasoactive intestinal peptide) is a naturally occurring signalling peptide involved in vasodilation, gut function and immune modulation. The synthetic form aviptadil is investigational and not approved for general human use in Australia.
Read overview - Hair & Skin
Zinc Thymulin
Zn-Thymulin
Zinc Thymulin is a zinc-bound form of the thymic peptide thymulin investigated as a topical scalp treatment for reported hair-loss support. It is not an approved medicine in Australia.
Read overview