Monographs
Peptide library
50 individual compounds. Each monograph separates study-reported findings from mechanistic inference and from uncontrolled community reports, states the study model on every claim, and links out to primary sources.
5-Amino-1MQ
5-amino-1-methylquinolinium · NNMT inhibitorNot a peptide at all — a small-molecule enzyme inhibitor that blocks NNMT in fat cells, raising intracellular NAD⁺ and, in mice, converting stored fat into burned…
Open monograph → Neuro-Cognitive & NootropicAdamax
adamantane-modified Semax analogue · adamantyl-SemaxA Semax analogue with an adamantane cage bolted on for enzymatic stability and membrane permeability. Reported as markedly stronger than the parent — on an eviden…
Open monograph → Metabolic & Adipose RegulationAOD-9604
hGH fragment 176-191 · AOD9604The C-terminal fragment of growth hormone, developed to deliver GH-like fat loss without GH-like side effects — which it achieved by delivering, in the pivotal hu…
Open monograph → Immune & Anti-InflammatoryARA-290
cibinetide · Helix B surface peptideAn erythropoietin fragment that keeps EPO tissue-protective signalling and discards the blood-cell effect entirely — with genuine randomised human trial data in s…
Open monograph → Regenerative & Tissue RepairBPC-157
Body Protection Compound-157 · PL 14736A 15-amino-acid fragment of a gastric protective protein with an unusually broad pre-clinical healing literature — and an unusually thin human one. The gap betwee…
Open monograph → Metabolic & Adipose RegulationCagrilintide
AM833 · CagriA once-weekly amylin and calcitonin receptor agonist that works on satiety circuits incretins do not touch — which is precisely why it is being developed as a par…
Open monograph → Growth Hormone & Anabolic SupportCJC-1295 (no DAC)
Mod GRF(1-29) · Modified GRF 1-29A GHRH fragment with four amino-acid substitutions for enzymatic stability — engineered to last long enough to work and short enough to still produce a pulse. The…
Open monograph → Endocrine & Reproductive AxisDesmopressin
DDAVP® · Nocdurna®Vasopressin with the blood-pressure effect engineered out and the water effect left in — two small changes to a nine-residue hormone that turned a vasoconstrictor…
Open monograph → Neuro-Cognitive & NootropicDSIP
delta sleep-inducing peptide · emideltideNamed for an effect it has never reliably reproduced — a nonapeptide isolated from sleeping rabbits in the 1970s, and the one compound the FDA advisory committee …
Open monograph → Metabolic & Adipose RegulationDulaglutide
Trulicity® · LY2189265A GLP-1 agonist fused to an antibody fragment rather than acylated — the one whose cardiovascular trial was run largely in people who had not yet had an event, an…
Open monograph → Immune & Anti-InflammatoryEnfuvirtide
Fuzeon® · T-20A 36-residue peptide that blocks HIV from fusing with the cell it is trying to enter — the largest peptide drug in this library, the first entry inhibitor ever ap…
Open monograph → Longevity & CircadianEpitalon
Epithalon · Ala-Glu-Asp-GlyA four-residue pineal bioregulator with the boldest claim in the field — telomerase induction and telomere elongation in human somatic cells — resting almost enti…
Open monograph → Metabolic & Adipose RegulationExenatide
Byetta® · Bydureon®The first GLP-1 agonist ever approved, and not a human peptide at all — it comes from the venom of a lizard, and it is the reason this entire drug class exists.
Open monograph → Regenerative & Tissue RepairGHK-Cu
Glycyl-L-histidyl-L-lysine copper(II) · copper peptideAn endogenous copper-binding tripeptide with a real human topical evidence base, a large gene-expression literature, and one property no other repair peptide has:…
Open monograph → Immune & Anti-InflammatoryGlutathione
GSH · γ-glutamyl-cysteinyl-glycineThe master antioxidant — a tripeptide every cell already synthesises for itself, sold for injection despite an oral precursor being cheaper, better studied and ar…
Open monograph → Mitochondrial & BioenergeticHumanin
HN · HNG (potent analogue)The first mitochondrial-derived peptide ever identified — discovered in a search for what protects surviving neurons in Alzheimer brains, and still almost entirel…
Open monograph → Growth Hormone & Anabolic SupportIGF-1 LR3
Long R3 IGF-1 · LR3An engineered IGF-1 analogue designed to escape the binding proteins that normally regulate it — which is precisely why it is potent, and precisely why it is the …
Open monograph → Metabolic & Adipose RegulationInsulin & analogues
human insulin · insulin glargineThe foundational peptide therapy, and the only compound in this library that reliably kills people through ordinary dosing error. It is here for completeness and …
Open monograph → Growth Hormone & Anabolic SupportIpamorelin
NNC 26-0161 · Aib-His-D-2-Nal-D-Phe-Lys-NH₂The first genuinely selective growth hormone secretagogue — a pentapeptide that releases GH without the cortisol, prolactin and hunger surge that made earlier ghr…
Open monograph → Endocrine & Reproductive AxisKisspeptin-10
KP-10 · metastin(45-54)The master switch upstream of the entire reproductive axis — the signal that starts puberty, and one of the few compounds here with a genuine and active human res…
Open monograph → Immune & Anti-InflammatoryKPV
Lys-Pro-Val · α-MSH (11–13)The three-residue business end of alpha-MSH — an anti-inflammatory tripeptide that suppresses NF-κB from inside the cell, without the pigmentation and erectile ef…
Open monograph → Hormone Suppression & OncologyLeuprolide
Lupron® · Lupron Depot®A GnRH analogue that shuts the reproductive axis down by overstimulating it. Given continuously instead of in pulses, the same signal that starts puberty ends it …
Open monograph → Gastrointestinal & MucosalLinaclotide
Linzess® · Constella®A 14-residue peptide that is swallowed rather than injected, is not meant to be absorbed, and works entirely on the luminal surface of the gut it passes through. …
Open monograph → Metabolic & Adipose RegulationLiraglutide
Victoza® · Saxenda®The daily GLP-1 agonist that proved the class could reduce cardiovascular death — now superseded on potency, and still the agent with the most randomised evidence…
Open monograph → Immune & Anti-InflammatoryLL-37
cathelicidin antimicrobial peptide · CAP-18 fragmentThe only antimicrobial peptide the human body makes in the cathelicidin family — a direct bacterial killer that is also a powerful immune signal, and whose biolog…
Open monograph → Aesthetic & MelanocortinMelanotan-2
MT-2 · MT-IIA non-selective melanocortin agonist that tans skin, suppresses appetite and causes erections — because it hits four receptors at once and cannot be told which on…
Open monograph → Mitochondrial & BioenergeticMOTS-c
Mitochondrial ORF of the 12S rRNA type-c · mitochondrial-derived peptide (MDP)A 16-residue peptide encoded in mitochondrial DNA that travels to the nucleus under metabolic stress and rewrites the transcriptional response — an exercise-mimet…
Open monograph → Mitochondrial & BioenergeticNAD⁺
nicotinamide adenine dinucleotide · NAD+Not a peptide — a coenzyme every cell already depends on. The interesting question is not whether it matters, which is settled, but whether injecting it does anyt…
Open monograph → Hormone Suppression & OncologyOctreotide
Sandostatin® · Sandostatin LAR®The mirror image of everything else in the growth-hormone section of this library. Eight residues that suppress GH rather than release it — and the drug that made…
Open monograph → Metabolic & Adipose RegulationOrforglipron
Foundayo® · LY3502970Not a peptide — and that is the entire reason it matters. The first oral small-molecule GLP-1 receptor agonist approved for weight management, made in a chemical …
Open monograph → Endocrine & Reproductive AxisOxytocin
Pitocin® · Syntocinon®Nine residues, two clinical lives, and one of the widest gaps in medicine between what a molecule reliably does and what the internet says it does. It empties a u…
Open monograph → Growth Hormone & Anabolic SupportPEG-MGF
pegylated mechano growth factor · IGF-1EcA splice variant of IGF-1 that muscle produces when mechanically damaged — pegylated to survive long enough to be injected, on the theory that supplying the signa…
Open monograph → Metabolic & Adipose RegulationPramlintide
Symlin® · pramlintide acetateThe only approved amylin analogue — the drug that proved beta-cell replacement needs two hormones, not one, and the reason every cagrilintide claim has a safety p…
Open monograph → Aesthetic & MelanocortinPT-141
bremelanotide · Vyleesi®The melanotan metabolite that became an approved drug — a centrally acting melanocortin agonist for sexual desire, working on the brain rather than on blood flow.
Open monograph → Metabolic & Adipose RegulationPeptide YY (PYY)
PYY3-36 · peptide tyrosine tyrosineThe satiety hormone the gut releases after a meal — a genuine target with a genuine development history, and a nasal formulation that failed on nausea so badly it…
Open monograph → Metabolic & Adipose RegulationRetatrutide
LY3437943 · RetaAn investigational once-weekly triple agonist at the GLP-1, GIP and glucagon receptors — currently the most weight-effective single molecule in published obesity …
Open monograph → Neuro-Cognitive & NootropicSelank
Thr-Lys-Pro-Arg-Pro-Gly-Pro · tuftsin analogueA tuftsin analogue registered in Russia as an anxiolytic — reported in domestic clinical work to match benzodiazepines for anxiety without sedation, dependence or…
Open monograph → Metabolic & Adipose RegulationSemaglutide
Ozempic® · Wegovy®The GLP-1 agonist that started the current era — and the only compound in this class with cardiovascular outcome data, kidney outcome data and a decade of post-ma…
Open monograph → Neuro-Cognitive & NootropicSemax
Met-Glu-His-Phe-Pro-Gly-Pro · ACTH(4-7)-PGPA Russian ACTH(4-7) analogue stripped of hormonal activity and registered in Russia as a nootropic and stroke medicine — with a large Russian-language clinical li…
Open monograph → Growth Hormone & Anabolic SupportSermorelin
GHRH(1-29) · Geref®The original GHRH fragment — once an FDA-approved diagnostic and paediatric growth agent, withdrawn commercially rather than for safety, and now the most compound…
Open monograph → Metabolic & Adipose RegulationSLU-PP-332
ERR agonist · oestrogen-related receptor pan-agonistA small molecule that switches on the transcriptional programme endurance exercise produces — the closest thing to a genuine exercise mimetic in this catalogue, a…
Open monograph → Mitochondrial & BioenergeticSS-31
Elamipretide · MTP-131A cardiolipin-binding tetrapeptide that concentrates thousands-fold inside mitochondria and restores cristae architecture — the most clinically advanced mitochond…
Open monograph → Regenerative & Tissue RepairTB-500
Thymosin β4 fragment · Tβ4 (17–23) acetylated fragmentA synthetic fragment marketed as thymosin beta-4 — actin-binding, cell-migration-promoting, anti-fibrotic in pre-clinical work, and routinely conflated with the f…
Open monograph → Gastrointestinal & MucosalTeduglutide
Gattex® · Revestive®The incretin nobody talks about. GLP-2 comes from the same precursor gene as GLP-1 but grows intestine rather than suppressing appetite — and the drug built from …
Open monograph → Bone & SkeletalTeriparatide
Forteo® · Bonsity®The first drug that built bone rather than slowing its loss — a 34-residue fragment of parathyroid hormone that works only because it is given intermittently. Con…
Open monograph → Endocrine & Reproductive AxisTerlipressin
Terlivaz® · Glypressin®A vasopressin prodrug that constricts the splanchnic circulation for hours from a single injection — the first drug ever approved in the United States for hepator…
Open monograph → Growth Hormone & Anabolic SupportTesamorelin
TH9507 · Egrifta®A stabilised growth-hormone-releasing hormone analogue and the only FDA-approved drug that specifically targets visceral adipose tissue — approved for one narrow …
Open monograph → Metabolic & Adipose RegulationTesofensine
NS2330 · triple monoamine reuptake inhibitorA triple monoamine reuptake inhibitor that failed as a Parkinson drug and turned out to cause substantial weight loss — a centrally acting stimulant, not a peptid…
Open monograph → Immune & Anti-InflammatoryThymosin Alpha-1
Tα1 · thymalfasinA thymic peptide approved as a medicine in more than thirty countries for hepatitis B and C — one of the few compounds in this library with a genuine internationa…
Open monograph → Metabolic & Adipose RegulationTirzepatide
LY3298176 · Mounjaro®The dual GIP/GLP-1 agonist that reset expectations for obesity pharmacology — approved, extensively trialled, and the only compound in this class on this site wit…
Open monograph →