Peptide library

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Browse by what you want, not by molecule names. Each peptide on Panya is tagged with the effects it produces (recovery, sleep, cognition, muscle growth, longevity, more) so you can land at the right entry without already knowing the chemical name.

Each page covers mechanism, typical practice, regulatory status by region, risks, citations, and vendor names worth your own diligence. We cover what users search for, regardless of evidence strength or risk band; missing pages are bugs, not features.

For prescription peptides like Mounjaro, Wegovy, and Ozempic, Panya does match you to licensed clinicians. See /vendor or the quiz for that path.

BPC-157
peptidemedium risk
joint, tendon, and gut healing
Recovery + healing
aka Body Protection Compound 157 · BPC157

BPC-157 is a synthetic 15-amino-acid peptide derived from a protein in human gastric juice. Most-studied peptide in the recovery and tendon-healing community. Not approved for human medical use anywhere; sold as a resear...

TB-500
peptidemedium risk
soft tissue and tendon recovery
Recovery + healing
aka Thymosin Beta-4 · TB4 · Tβ4

TB-500 is a synthetic fragment of thymosin beta-4, a naturally-occurring 43-amino-acid peptide. Often stacked with BPC-157 for recovery. Not approved for human use; banned in competitive sport by WADA.

GHK-Cu
peptidemedium risk
skin, hair, and wound healing
Skin + hairRecovery + healing
aka Copper Peptide · Glycyl-Histidyl-Lysine Copper

GHK-Cu is a copper-binding tripeptide naturally present in human plasma. Concentration declines with age. Most studied in cosmetic and topical applications. Sold as both a topical cosmetic ingredient and an injectable re...

NAD+
nucleotidemedium risk
cellular energy and longevity-curious dosing
LongevityCognition + focus
aka Nicotinamide Adenine Dinucleotide · NAD plus · NAD

NAD+ is a coenzyme in every living cell, central to energy metabolism and DNA repair. Levels decline with age. Sold as IV infusion (clinic), subcutaneous injection, oral precursors (NMN, NR), and nasal spray. Best-studie...

MOTS-c
peptidemedium risk
metabolic and exercise-mimetic effects
LongevityMetabolic + weight
aka Mitochondrial-Derived Peptide MOTS-c

MOTS-c is a 16-amino-acid peptide encoded in the mitochondrial genome. Discovered in 2015. Animal data shows insulin-sensitisation and exercise-mimetic effects. Human trials are early; community practice is well ahead of...

Sermorelin
peptidemedium risk
growth hormone secretagogue
Muscle growthLongevity
aka GHRH 1-29 · Sermorelin Acetate

Sermorelin is the first 29 amino acids of human growth-hormone-releasing hormone (GHRH). FDA-approved for pediatric GHD until 2008; since then sold compounded for off-label adult anti-aging and recovery use. Less popular...

Ipamorelin and CJC-1295
peptidemedium risk
growth hormone stack, dual-axis
Muscle growthRecovery + healing
aka Ipamorelin · CJC-1295 · CJC-1295 DAC · GHRP-Ipamorelin · Ipa-CJC stack

The most commonly stacked GH-axis pair in current peptide community use. Ipamorelin is a selective ghrelin-receptor agonist that triggers GH release without the appetite or cortisol bumps of older GHRPs. CJC-1295 is a lo...

Tesofensine
small moleculemedium risk
weight loss adjunct, monoamine reuptake inhibitor
Metabolic + weight
aka Tesofensine NS-2330

Tesofensine is a triple monoamine reuptake inhibitor (serotonin, norepinephrine, dopamine) originally developed for Parkinson's disease. Phase 2 trials in obesity showed weight loss roughly twice that of historical anti-...

AOD-9604
peptidemedium risk
fat loss adjunct, lipolytic peptide
Metabolic + weightRecovery + healing
aka Anti-Obesity Drug 9604 · HGH Fragment 176-191

AOD-9604 is a synthetic 16-amino-acid fragment of human growth hormone, specifically the C-terminal lipolytic region. Marketed for fat loss without the IGF-1 elevation or hyperglycaemia of full HGH. Failed Phase 2b in 20...

Kisspeptin-10
peptidemedium risk
HPG axis stimulation, libido, fertility-curious
Sexual + fertilityHormonal support
aka KP-10 · Metastin

Kisspeptin-10 is a 10-amino-acid fragment of the parent kisspeptin peptide, encoded by the KISS1 gene. Acts upstream of GnRH to regulate the hypothalamic-pituitary-gonadal axis. Active human research in fertility and dep...

Melanotan II
peptidehigh risk
tanning, libido, appetite suppression
Skin + hairSexual + fertility
aka MT-II · MT2 · Melanotan 2

Melanotan II is a synthetic analog of alpha-melanocyte-stimulating hormone (alpha-MSH), engineered for resistance to enzymatic breakdown. Originally developed at the University of Arizona for skin photoprotection in fair...

Semax
peptidemedium risk
cognitive enhancement, nootropic
Cognition + focus
aka Pro-Gly-Pro-ACTH(4-7) · Semax Acetate

Semax is a synthetic analog of an ACTH fragment (positions 4 to 7), developed at the Russian Academy of Sciences. Approved in Russia for stroke recovery and cognitive impairment. Used internationally as a nootropic. Most...

MK-677
small moleculemedium risk
oral GH-secretagogue, sleep + appetite
Muscle growthSleep
aka Ibutamoren · Ibutamoren Mesylate · MK-0677

MK-677 is an orally-active ghrelin receptor agonist developed by Merck in the 1990s. Stimulates GH and IGF-1 release through the same axis ipamorelin uses, but in pill form. Trial data is robust, including a long-term Al...

Dihexa
peptide-mimetichigh risk
cognitive enhancement and dendritic spine formation
Cognition + focus
aka N-hexanoic-Tyr-Ile-(6) amino hexanoic amide · PNB-0408 · PNB-1046

Dihexa is a small angiotensin IV-derived peptide developed by Joseph Harding's lab as a potential Alzheimer's therapeutic. Acts through the HGF/c-MET pathway to drive spinogenesis. Not approved anywhere; sold in the rese...

ARA-290
peptidemedium risk
small fiber neuropathy and tissue-protective signaling
Recovery + healingCognition + focus
aka Cibinetide

ARA-290 is an 11-amino-acid synthetic peptide derived from erythropoietin that targets the innate repair receptor without driving red blood cell production. Has Phase 2 human trial data for small fiber neuropathy. Not ap...

Retatrutide
peptidemedium risk
weight loss (Phase 3, GLP-1 / GIP / glucagon triple)
Metabolic + weight
aka LY3437943 · GGG triple agonist

Retatrutide is Eli Lilly's triple agonist of the GLP-1, GIP, and glucagon receptors, currently in Phase 3 weight-loss trials. Phase 2 showed 24% body weight loss at 12 mg / 48 weeks, the strongest published GLP-1-class e...

PT-141 / Bremelanotide
peptidemedium risk
sexual desire and arousal (FDA-approved for HSDD)
Sexual + fertility
aka Bremelanotide · Vyleesi · PT141

PT-141 (bremelanotide) is a melanocortin receptor agonist FDA-approved as Vyleesi for hypoactive sexual desire disorder in premenopausal women. Acts centrally on the brain's arousal pathways, not peripherally on blood fl...

NMN
nucleotidemedium risk
oral NAD+ precursor (longevity, metabolic)
Longevity
aka Nicotinamide Mononucleotide · β-NMN

NMN is an oral nicotinamide-adenine-dinucleotide precursor. Sinclair-popularized longevity intervention with real Phase 2 human-trial data on insulin sensitivity. Different from injectable NAD+ in mechanism, evidence bas...

Tesamorelin
peptidemedium risk
visceral fat reduction (FDA-approved for HIV lipodystrophy)
Metabolic + weightMuscle growth
aka Egrifta · TH9507

Tesamorelin is an FDA-approved GHRH analog (Egrifta) for HIV-associated visceral lipodystrophy. Real prescription-routable peptide with multi-trial data showing 15-18% visceral adipose tissue reduction at 2 mg / 26 weeks...

SS-31 / Elamipretide
peptidemedium risk
mitochondrial structure and function support
LongevityCardiac
aka Elamipretide · MTP-131 · Bendavia · Szeto-Schiller peptide 31

SS-31 (elamipretide) is a 4-amino-acid Szeto-Schiller peptide that binds cardiolipin on the inner mitochondrial membrane and stabilizes mitochondrial structure. Multiple Phase 3 trials run by Stealth BioTherapeutics in p...

KPV
peptidemedium risk
anti-inflammatory and gut-barrier support
Recovery + healingImmune support
aka Lysine-Proline-Valine · Lys-Pro-Val · Alpha-MSH(11-13)

KPV is the C-terminal tripeptide of alpha-MSH, retaining MSH's anti-inflammatory and antimicrobial activity without the melanin-stimulating effects. Studied for inflammatory bowel disease, atopic dermatitis, and antimicr...

Thymosin Alpha-1
peptidemedium risk
immune modulation (approved as Zadaxin in 30+ countries)
Immune support
aka Tα1 · Talpha1 · Zadaxin · TA-1

Thymosin alpha-1 is a 28-amino-acid immune-modulating peptide derived from the thymus. Approved as Zadaxin in over 30 countries (not the US) for hepatitis B/C and as adjunctive chemotherapy support. Distinct from TB-500 ...

Cagrilintide
peptidemedium risk
weight loss (Phase 3 amylin analog, Novo's CagriSema)
Metabolic + weight
aka AM833 · CagriSema component

Cagrilintide is Novo Nordisk's long-acting amylin / calcitonin receptor agonist, in Phase 3 (mostly via CagriSema, the combination with semaglutide). Different mechanism from GLP-1 / GIP; complementary rather than redund...

DSIP
peptidemedium risk
sleep architecture and stress modulation
Sleep
aka Delta Sleep-Inducing Peptide

DSIP is a 9-amino-acid peptide originally isolated from rabbit cerebral venous blood, claimed to support sleep architecture and stress modulation. Mechanism incompletely understood; human trial data is thin. Sold in rese...

Selank
peptidemedium risk
anxiolytic and cognitive support (Russian peptide)
Cognition + focus
aka Selanc · Selank Acetate · Тuftsin analog TP-7

Selank is a Russian-developed synthetic analog of tuftsin, a naturally-occurring immunomodulatory tetrapeptide. Used as an anxiolytic and mild cognitive support, often paired with semax. Approved for medical use in Russi...

Glutathione (GSH)
peptidemedium risk
antioxidant, hepatic support, skin tone (contested)
Skin + hairLongevity
aka GSH · L-Glutathione · Reduced glutathione

Glutathione is an endogenous tripeptide (glutamate, cysteine, glycine) that every cell makes. IV glutathione is widely sold across Southeast Asian wellness clinics for skin lightening and antioxidant support; the clinica...

Epitalon
peptidemedium risk
longevity, circadian rhythm, telomere maintenance (contested)
LongevitySleep
aka Epithalon · Epithalamin (peptide fragment) · Ala-Glu-Asp-Gly

Epitalon is a synthetic tetrapeptide (Ala-Glu-Asp-Gly) developed by the Khavinson lab in St Petersburg as a fragment of the natural pineal-gland peptide complex. Heavily researched within Russia, sparsely replicated outs...

Hexarelin
peptidemedium risk
GH-secretagogue, body composition, contested cardiac signal
Muscle growthCardiac
aka HEX · Examorelin · MF-6003

Hexarelin is a synthetic hexapeptide that stimulates growth hormone release through the ghrelin receptor. Stronger GH pulse than Ipamorelin; also higher cortisol and prolactin spike, and faster tachyphylaxis with chronic...

Thymalin
peptidemedium risk
immune support, post-illness recovery (contested)
Immune support
aka Thymalin-Vilon · Tymalin · Russian thymic complex

Thymalin is a Russian peptide preparation derived from thymic extracts, used in the USSR/Russia for immune support, post-surgical recovery, and infection adjuvant. Distinct from Thymosin Alpha-1 (which is a single define...

LL-37
peptidemedium risk
antimicrobial, wound healing, biofilm modulation
AntimicrobialRecovery + healing
aka Cathelicidin LL-37 · hCAP-18 cleaved peptide · CAP18(104-140)

LL-37 is a 37-residue endogenous antimicrobial peptide cleaved from the human cathelicidin precursor (hCAP-18). Active against gram-positive and gram-negative bacteria, fungi, and several enveloped viruses; under researc...

HCG (Human Chorionic Gonadotropin)
proteinmedium risk
fertility, cryptorchidism, TRT support, post-cycle therapy
Hormonal supportSexual + fertility
aka hCG · Pregnyl · Novarel · Choragon · Ovidrel (recombinant)

HCG is a 244-amino-acid glycoprotein hormone (alpha + beta subunits) structurally similar to luteinising hormone. FDA-approved for fertility and cryptorchidism since the 1970s; widely used off-label in TRT support and po...

IGF-1 LR3
peptidemedium risk
muscle growth, recovery, metabolic recomposition (off-label)
Muscle growth
aka Long-Arg3 IGF-1 · Receptor-grade IGF-1 LR3 · rhIGF-1 LR3

IGF-1 LR3 is a synthetic 83-amino-acid analogue of insulin-like growth factor 1 with the N-terminal extended by 13 residues and Glu3 substituted with Arg3. The modifications extend serum half-life from 10-20 minutes (nat...

Gonadorelin
peptidemedium risk
fertility diagnostics, pulsatile hypogonadism, off-label PCT
Hormonal supportSexual + fertility
aka GnRH · LHRH · Factrel (US, withdrawn) · Lutrelef (EU) · Gonadorelin acetate

Gonadorelin is the synthetic form of endogenous gonadotropin-releasing hormone, a decapeptide produced by the hypothalamus that drives pulsatile LH and FSH release from the pituitary. FDA-approved 1982 (US withdrawn 2002...

Follistatin
proteinmedium risk
muscle growth via myostatin inhibition (off-label)
Muscle growth
aka FST · FST-288 · FST-315 · FST-344 (research naming)

Follistatin is an endogenous 288-residue glycoprotein that binds and neutralises members of the TGF-beta superfamily including activin, BMPs, and myostatin (GDF-8). Inhibiting myostatin removes a primary brake on muscle ...

Peptide library + adjacent compounds · Panya · Panya