Library
The peptide library.
What each compound is, what the research actually found, where it stands with regulators, and what the safety picture looks like. Every entry is written from primary sources and says plainly where the evidence runs out.
- 5-amino-1MQNNMT inhibitor (small molecule, not a peptide)5-amino-1MQ is studied in lab research for its effects on fat metabolism and body composition — it works by blocking an enzyme called NNMT, which helps…
- AbaloparatideParathyroid hormone-related protein (PTHrP) analog, bone-anabolicAbaloparatide (brand name Tymlos) is a prescription medicine for osteoporosis — a condition where bones become thin and break easily.
- ACE-031ActRIIB-Fc myostatin/activin ligand trapACE-031 works by soaking up myostatin and related proteins that normally put a brake on muscle growth, so blocking them can increase muscle mass.
- AdipotideChimeric pro-apoptotic homing peptidomimeticAdipotide is an engineered peptide designed to destroy the blood vessels feeding white fat tissue, causing fat loss without a measured change in food intake —…
- AfamelanotideMelanocortin-1 receptor (MC1-R) agonistAfamelanotide (also called Melanotan I) is a peptide best known for helping the skin tolerate more light by boosting its natural pigment, eumelanin, in people…
- AHK-cuCopper-bound tripeptide (topical cosmetic)AHK-Cu is a small copper-bound tripeptide best known for research into hair and scalp health, and it's used as an ingredient in topical hair and skin serums.
- AICARAMPK activator (nucleoside analog, not a peptide)AICAR (acadesine) is best known as an 'exercise mimetic,' studied for reproducing some effects of endurance training, like better stamina and fat burning,…
- AmycretinGLP-1 + amylin receptor dual agonistAmycretin is a Novo Nordisk compound studied for weight loss and blood-sugar control in early-stage research — it's designed to activate both the GLP-1 and…
- AnastrozoleAromatase inhibitor (small molecule, not a peptide)Anastrozole (brand name Arimidex) is best known as a breast cancer treatment for postmenopausal women, lowering estrogen by blocking the aromatase enzyme that…
- AOD-9604Growth hormone (hGH) fragment; lipolytic peptideAOD-9604 is a synthetic peptide, a modified fragment of human growth hormone, studied for fat loss — animal studies report it reduces body fat without raising…
- ARA-290Non-erythropoietic, tissue-protective EPO peptideARA-290 (also called cibinetide) is a synthetic peptide best known for research into nerve pain and tissue protection, including nerve pain linked to the rare…
- BPC-157Pentadecapeptide; healing/cytoprotective peptideBPC-157 (Body Protection Compound 157) is a synthetic peptide best known for research into tissue and injury healing — tendon, ligament, gut, and muscle…
- BPC-157 / TB-500 BlendPre-mixed regenerative peptide blendThis blend is used by researchers for tissue healing and recovery — it combines two peptides, BPC-157 (based on a stomach-protein fragment) and TB-500 (a…
- BronchogenKhavinson bronchial bioregulator peptideBronchogen is a short synthetic peptide from the Russian 'Khavinson' bioregulator family, marketed for the bronchi and lungs.
- CagrilintideLong-acting amylin analogueCagrilintide is a long-acting, lab-made version of amylin, a hormone the pancreas releases alongside insulin, and is best known for its role in weight loss,…
- CagriSemaAmylin analogue + GLP-1 receptor agonist combinationCagriSema is a once-weekly injectable combination studied for substantial weight loss in adults with obesity — it pairs cagrilintide (a long-acting amylin…
- CardiogenKhavinson cardiac bioregulator peptideCardiogen is a short synthetic peptide from the Russian 'Khavinson' bioregulator family, marketed for the heart.
- CartalaxKhavinson bioregulator peptide (AED tripeptide)Cartalax is a short synthetic peptide from the Russian 'Khavinson' bioregulator family, marketed for cartilage and joints.
- CerebrolysinPorcine brain peptide/amino-acid mixtureCerebrolysin is a mixture of small peptides and amino acids made from purified pig brain tissue, used for stroke recovery and dementia-related cognitive…
- ChonlutenKhavinson bioregulator peptide (tripeptide)Chonluten is a short synthetic peptide from the Russian 'Khavinson' bioregulator family, marketed for the lungs and airway lining, and derived from bronchial…
- CJC-1295Growth hormone-releasing hormone (GHRH) analog; GH secretagogueCJC-1295 is a synthetic growth hormone releaser, a lab-made peptide that signals the pituitary gland to release more of the body's own growth hormone.
- CJC-1295 / Ipamorelin BlendPre-mixed GH-secretagogue blend (GHRH analog + GHRP)This blend is used by researchers to raise growth hormone output for body composition, sleep, and recovery research — it combines two peptides, CJC-1295 (a…
- Clomiphene / EnclomipheneSelective estrogen receptor modulator (SERM)Clomiphene (brand names Clomid, Serophene) is best known for triggering ovulation in women trying to conceive, by blocking estrogen feedback at the brain and…
- CortagenKhavinson bioregulator peptide (tetrapeptide)Cortagen is a short synthetic peptide from the Russian 'Khavinson' bioregulator family, marketed for the brain, specifically the cerebral cortex.
- CrystagenKhavinson bioregulator peptideCrystagen is a short synthetic peptide from the Russian 'Khavinson' bioregulator family, marketed for the immune system.
- DesmopressinVasopressin (antidiuretic hormone) analogueDesmopressin (often called DDAVP) is a long-established prescription medicine that tells the kidneys to hold on to water, so the body makes less urine.
- DulaglutideGLP-1 receptor agonistDulaglutide is best known as Trulicity, an FDA-approved weekly GLP-1 medicine for type 2 diabetes — a lab-made peptide that copies a natural gut hormone…
- EpitalonKhavinson pineal bioregulator peptideEpitalon (also spelled Epithalon) is a short synthetic peptide marketed in longevity research circles for anti-aging effects, based on a proposed 'telomerase…
- ExemestaneThird-generation steroidal aromatase inhibitor (irreversible)Exemestane (brand name Aromasin) is best known as a breast cancer treatment for postmenopausal women, lowering estrogen by blocking the aromatase enzyme.
- ExenatideGLP-1 receptor agonistExenatide is a synthetic version of exendin-4, a peptide first isolated from Gila monster venom, and was the first GLP-1 medicine ever approved by the FDA…
- FollistatinMyostatin/activin-neutralizing glycoproteinFollistatin is a naturally occurring protein that blocks myostatin, the body's natural brake on muscle growth, plus a related protein called activin, and it's…
- FOXO4-DRISenolytic D-retro-inverso peptideFOXO4-DRI is a lab-designed peptide studied as a senolytic — something designed to selectively kill off aging ('senescent') cells while sparing healthy ones,…
- GHK-cuEndogenous tripeptide-copper complex; regenerative / cosmetic peptideGHK-Cu is a small copper-bound peptide best known for research into skin, hair, and wound healing.
- GHRP-2Growth hormone-releasing peptide (GHRP)GHRP-2 (also called pralmorelin) is a growth hormone releaser known for strongly prompting the pituitary gland to release the body's own growth hormone, by…
- GHRP-6Growth hormone-releasing peptide (GHRP)GHRP-6 is the original growth hormone releaser, the compound later GHRPs like GHRP-2 and hexarelin were derived from.
- GLOWCompounded peptide blend; healing / regeneration / skin and tissueGLOW is a blend researchers use for skin regeneration and general tissue healing: it combines three peptides in one vial, GHK-Cu (a copper-tripeptide, the…
- GlutathioneEndogenous tripeptide; primary intracellular antioxidantGlutathione is the body's primary antioxidant, made naturally in nearly every cell to protect against oxidative stress and support detoxification;
- GonadorelinGnRH receptor agonist (decapeptide)Gonadorelin is best known for telling the pituitary to release the hormones (LH and FSH) that drive testosterone production and fertility.
- HCG (Human Chorionic Gonadotropin)Glycoprotein hormone / LH analogHCG (human chorionic gonadotropin) is best known for stimulating the testicles to make testosterone (it acts like luteinizing hormone, LH) and for triggering…
- HexarelinGrowth hormone-releasing peptide (GHRP)Hexarelin (also called examorelin) is a growth hormone releaser that prompts the pituitary gland to release growth hormone by acting on the ghrelin (hunger…
- HGH (Human Growth Hormone) / SomatropinRecombinant human growth hormone (somatropin)HGH (human growth hormone, or somatropin) is the body's own growth hormone, made in the lab through recombinant DNA technology, and it's best known for…
- HumaninMitochondrial-derived peptide (MDP)Humanin is a short peptide made from a hidden gene inside mitochondria, the cell's energy-producing 'power plants,' and it's studied for protecting brain…
- Igf-1 lr3Modified IGF-1 analog (IGF-1R agonist)IGF-1 LR3 is a modified, longer-lasting version of insulin-like growth factor-1 (IGF-1), the hormone that drives tissue and muscle growth, and it's pursued…
- IpamorelinGrowth hormone-releasing peptide (GHRP)Ipamorelin is a growth hormone releaser known as one of the more selective options in its class: it triggers a short pulse of the body's own growth hormone by…
- KisspeptinKisspeptin / KISS1R agonistKisspeptin sits at the very top of the reproductive hormone axis, triggering the brain's release of GnRH and, downstream, testosterone or estrogen.
- KLOWCompounded peptide blend; healing / regeneration / anti-inflammatoryKLOW is a blend researchers use for skin regeneration, anti-inflammatory effects, and general tissue healing and recovery: it combines four peptides in one…
- LetrozoleThird-generation nonsteroidal aromatase inhibitorLetrozole (brand name Femara) is best known as a breast cancer treatment for postmenopausal women, lowering estrogen by blocking the aromatase enzyme;
- LinaclotideGuanylate cyclase-C (GC-C) receptor agonist, oral gut peptideLinaclotide (brand names Linzess and Constella) is a prescription medicine for two long-term gut conditions: irritable bowel syndrome with constipation, and…
- LiraglutideGLP-1 receptor agonistLiraglutide is best known as the first daily GLP-1 medicine for diabetes and weight loss — sold as Victoza and Saxenda, it's a lab-made peptide that copies a…
- LivagenKhavinson bioregulator peptideLivagen is a short synthetic peptide from the Russian 'Khavinson' bioregulator family, marketed for the liver and blood cells.
- LL-37Cathelicidin antimicrobial peptideLL-37 is the only human cathelicidin — a natural antimicrobial peptide the body makes as part of its immune system, best known for fighting microbes and…
- MatrixylTopical cosmetic signal peptide (matrikine)Matrixyl (pal-KTTKS) is a topical cosmetic peptide best known for reducing the look of fine lines and wrinkles, found in many anti-aging serums and creams.
- MazdutideGLP-1 / glucagon receptor dual agonistMazdutide is a lab-made peptide best known for weight loss and blood-sugar control — it activates both the GLP-1 and glucagon receptors at once (a 'dual…
- Melanotan IIMelanocortin receptor agonist (α-MSH analog)Melanotan II (MT-II) is a synthetic peptide known as 'the tanning peptide': it mimics the natural hormone alpha-MSH and darkens the skin by boosting its…
- MGFMechano growth factor (IGF-1 splice variant)MGF (mechano growth factor) is a synthetic peptide based on a splice variant of IGF-1 that muscles briefly produce in response to mechanical stress and…
- MK-677 (Ibutamoren)Ghrelin/GHS-R1a agonist (small molecule, not a peptide)MK-677 (Ibutamoren) is a growth hormone releaser that prompts the pituitary gland to release the body's own growth hormone by acting on the ghrelin (hunger…
- MOTS-cMitochondrial-derived AMPK-activating peptideMOTS-c is a small peptide encoded by mitochondrial DNA, studied as an 'exercise mimetic' for its effects on metabolism and insulin sensitivity.
- NAD+Endogenous coenzyme; cellular energy and signaling cofactorNAD+ is best known for powering cellular energy production and supporting cellular repair, and because levels naturally decline with age, it's widely studied…
- OrforglipronOral small-molecule GLP-1 receptor agonistOrforglipron is best known as the first GLP-1 pill for weight loss — sold as Foundayo, it's a once-daily tablet that works the same way as injectable GLP-1…
- OvagenKhavinson short-peptide bioregulatorOvagen is marketed as a Russian 'Khavinson' bioregulator peptide for the liver and intestines.
- OxytocinNonapeptide posterior-pituitary hormoneOxytocin is the body's 'love hormone' — best known for driving social bonding, trust, and connection (it also triggers labor contractions and milk letdown).
- P021CNTF-derived neurotrophic peptide mimeticP021 is a small, lab-designed peptide studied for brain protection and memory support in Alzheimer's research.
- PancragenKhavinson tetrapeptide bioregulatorPancragen is a peptide marketed for the pancreas and blood-sugar control, the organ that makes insulin.
- PE-22-28Spadin analog / TREK-1 channel blockerPE-22-28 is a short, lab-designed peptide studied for depression. In mouse studies, it produces antidepressant-like effects noticeably faster than standard…
- PinealonKhavinson short peptide; pineal-targeted bioregulatorPinealon is a peptide marketed for cognition, sleep, and brain health, tied to the pineal gland and central nervous system.
- PNC-27p53-derived membrane-active peptidePNC-27 is a lab-made peptide studied experimentally as a cancer-cell killer. In laboratory studies, it binds a protein called HDM-2 found on cancer-cell…
- PramlintideSynthetic amylin (IAPP) analogPramlintide is best known as Symlin, the only FDA-approved amylin-class medicine — a synthetic version of amylin, a hormone the pancreas releases alongside…
- ProstamaxKhavinson tetrapeptide bioregulatorProstamax is a peptide marketed for prostate health and general men's health. It's a synthetic short peptide from the Russian 'Khavinson' bioregulator family,…
- PT-141 (Bremelanotide)Melanocortin receptor (MC4R) agonistPT-141 (bremelanotide) is a peptide best known for boosting sexual desire and arousal — and unlike Viagra, which works on blood flow, it acts in the brain's…
- RetatrutideGLP-1/GIP/glucagon receptor triple agonistRetatrutide is a lab-made peptide studied for weight loss and type 2 diabetes — it activates three gut-hormone receptors at once (GLP-1, GIP, and glucagon, a…
- SelankTuftsin-derived heptapeptide; anxiolytic / immunomodulatory peptideSelank is a peptide best known for easing anxiety and promoting calm, steady focus without sedation, derived from tuftsin, a natural immune-system peptide.
- SemaglutideGLP-1 receptor agonistSemaglutide is best known as the medicine behind Ozempic and Wegovy — a GLP-1 receptor agonist that copies a natural gut hormone involved in fullness and…
- SemaxACTH(4-10)-derived heptapeptide; neuroprotective / nootropic peptideSemax is a nootropic peptide best known for supporting focus, mental clarity, and memory, and it's studied for stroke recovery and brain protection.
- SermorelinGHRH(1-29) fragment / GHRH receptor agonistSermorelin is a growth hormone releaser, a synthetic fragment of growth hormone-releasing hormone (GHRH) that prompts the pituitary gland to release the…
- SLU-PP-332Pan-ERR agonist (small molecule, not a peptide)SLU-PP-332 is studied as an 'exercise mimetic': researchers are interested in it for reproducing training-like effects such as more oxidative muscle fibers,…
- SNAP-8Topical cosmetic peptide (acetyl octapeptide-3)SNAP-8 (acetyl octapeptide-3) is a topical cosmetic peptide marketed for softening expression lines, like forehead and crow's-feet lines.
- SS-31Mitochondrial-targeted tetrapeptide; cardiolipin-stabilizing peptideSS-31 (elamipretide) is a mitochondria-targeting peptide best known for supporting cellular energy and reducing oxidative stress.
- SurvodutideGLP-1/glucagon receptor dual agonistSurvodutide is a lab-made peptide best known for weight loss and, increasingly, for liver disease (MASH/NASH) — it activates both the GLP-1 and glucagon…
- TamoxifenSelective estrogen receptor modulator (SERM)Tamoxifen (brand names Nolvadex, Soltamox) is best known for treating and preventing breast cancer in women, blocking estrogen receptors in some tissues while…
- TB-500Thymosin beta-4 fragment; regenerative peptideTB-500 is a synthetic peptide best known for research into tissue healing and recovery — tendon, ligament, wound, and cardiac repair.
- TeduglutideGlucagon-like peptide-2 (GLP-2) receptor agonistTeduglutide (brand names Gattex and Revestive) is a prescription medicine for people with short bowel syndrome — a serious condition, usually following major…
- TeriparatideParathyroid hormone (1-34) fragment, bone-anabolicTeriparatide is best known for building new bone - unlike most osteoporosis drugs, which just slow bone loss, teriparatide actively grows it, given as a small…
- TesamorelinGHRH analog; growth hormone secretagogueTesamorelin is a growth hormone releaser, a synthetic GHRH analog that prompts the pituitary gland to release the body's own growth hormone.
- TesofensineTriple reuptake inhibitor (SNDRI), non-peptideTesofensine is an oral compound studied for weight loss — it works by affecting three brain chemicals (serotonin, norepinephrine, and dopamine) that influence…
- TestagenKhavinson bioregulator peptide (tetrapeptide)Testagen is marketed for reproductive and testicular support based on its name, but the actual peptide (Lys-Glu-Asp-Gly) was built from the amino-acid makeup…
- TestosteroneAndrogenic steroid hormone (not a peptide)Testosterone is the body's main male sex hormone, driving muscle mass, libido, energy, and male sexual development. It's a steroid hormone, not a peptide.
- ThymalinKhavinson thymus-extract bioregulator peptideThymalin is a thymus-derived peptide complex best known as a Russian-approved immune-system regulator, given by injection for immune-related and age-related…
- Thymosin Alpha-1Synthetic immunomodulatory peptideThymosin alpha-1 (brand name Zadaxin, generic name thymalfasin) is a synthetic 28-amino-acid peptide best known as an immune-system modulator.
- TirzepatideGLP-1 / GIP dual receptor agonistTirzepatide is best known as the medicine behind Mounjaro and Zepbound — a lab-made peptide that activates two gut-hormone receptors at once (GLP-1 and GIP, a…
- VesugenKhavinson bioregulator peptide (tripeptide)Vesugen is marketed as a blood-vessel peptide and an anti-aging ('geroprotector') peptide, though the 'vascular' label reflects how the Russian 'Khavinson'…
- VilonKhavinson bioregulator peptide (dipeptide)Vilon is marketed for immune support, tied to the thymus, the gland that trains immune cells.
- VIPEndogenous vasoactive/immunomodulatory peptideVIP (vasoactive intestinal peptide) is a natural signaling molecule the body makes throughout the gut, lungs, nerves, and immune system, best known for…