The peptide reference, in the open.

5-Amino-1MQ is a small-molecule oral inhibitor of nicotinamide N-methyltransferase (NNMT) studied preclinically for fat-mass reduction and NAD+/SAM-related metabolic effects.

An N-acetylated heptapeptide fragment of Thymosin Beta-4 (the LKKTETQ actin-binding domain) sold for research into actin regulation and wound repair.

An ActRIIB-Fc decoy receptor (ramatercept) that traps myostatin and related ligands to increase muscle mass; clinical development was halted over vascular safety signals.

A preclinical pro-apoptotic peptidomimetic that homes to white-fat blood vessels and triggers their death, causing fat loss in animal studies — but with dose-limiting kidney toxicity.

A four-peptide injectable recovery stack pairing the regenerative duo BPC-157 + TB-500 with the growth-hormone secretagogues CJC-1295 + Ipamorelin, run together in community protocols to support tissue healing, training recovery, and GH/IGF-1 elevation.

AHK-Cu is a copper-chelating tripeptide (Ala-His-Lys bound to Cu²⁺) used topically and studied for hair-follicle and dermal regeneration.

An AMP-mimetic nucleotide that activates AMPK and acts as an 'exercise mimetic' in animals; it is banned by WADA and has little human performance data.

AOD-9604 is a synthetic 16-amino-acid C-terminal fragment of human growth hormone studied as a lipolytic agent that promotes fat metabolism without affecting IGF-1 or blood glucose.

ARA-290 (cibinetide) is an 11-amino-acid, non-erythropoietic peptide derived from erythropoietin's helix-B domain that selectively activates the innate repair receptor to drive tissue-protective, anti-inflammatory, and nerve-regenerative signaling.

Argireline (Acetyl Hexapeptide-8) is a synthetic SNAP-25-mimicking hexapeptide used topically as a cosmetic ingredient intended to soften expression wrinkles by blunting facial muscle contraction.

A 24-amino-acid single-chain functional analog of H2 relaxin that acts as a biased RXFP1 agonist with anti-fibrotic activity in preclinical models.

BPC-157 is a synthetic 15-amino-acid pentadecapeptide derived from a human gastric protein, studied preclinically for tissue repair, gut protection, and angiogenesis.

Cerebrolysin is a porcine brain-derived mixture of low-molecular-weight neuropeptides and free amino acids with neurotrophic-like properties, studied as an injectable for stroke, dementia, and brain-injury recovery.

CJC-1295 with DAC is a long-acting synthetic GHRH analog that binds serum albumin to sustain pituitary growth hormone and IGF-1 release for over a week per injection.

CJC-1295 without DAC (Mod GRF 1-29) is a short-acting, tetra-substituted GHRH(1-29) analog that stimulates pulsatile growth-hormone release from the pituitary, studied as a research peptide for GH/IGF-1 elevation.

Dihexa (PNB-0408) is an orally active, blood-brain-barrier-penetrant angiotensin IV-derived oligopeptide studied preclinically for cognition and proposed to act by potentiating the HGF/c-Met neurotrophic system.

DSIP is a naturally occurring nonapeptide studied for its reported ability to promote delta-wave (slow-wave) sleep and act as a stress-protective, HPA-axis-modulating neuropeptide.

Epitalon (AEDG, Ala-Glu-Asp-Gly) is a synthetic pineal-derived tetrapeptide studied as a telomerase activator and putative geroprotector.

A recombinant follistatin isoform that binds and neutralizes myostatin and activins to promote muscle growth; the most credible human evidence comes from AAV gene therapy, not injected peptide.

FOXO4-DRI is a cell-penetrating D-retro-inverso senolytic peptide that disrupts the FOXO4–p53 interaction to selectively trigger apoptosis in senescent ("zombie") cells, studied for aging and tissue rejuvenation.

The C-terminal lipolytic fragment of human growth hormone studied for fat metabolism without GH's growth or glucose effects.

The copper-free human tripeptide glycyl-L-histidyl-L-lysine (Tripeptide-1) studied for skin remodeling, collagen synthesis, and tissue-repair signaling.

GHK-Cu is a naturally occurring copper-binding tripeptide (glycyl-L-histidyl-L-lysine + Cu²⁺) studied for skin regeneration, wound healing, collagen synthesis, and broad gene-modulating activity.

GHRP-2 (pralmorelin) is a synthetic hexapeptide ghrelin-receptor agonist studied as a potent stimulator of pulsatile growth hormone release.

GHRP-6 is a synthetic hexapeptide ghrelin-receptor (GHS-R1a) agonist studied for stimulating pulsatile growth hormone release and potently increasing appetite.

GLOW is a tri-peptide injectable repair blend combining BPC-157, TB-500, and GHK-Cu, studied (largely preclinically) for tissue healing, skin/collagen regeneration, and recovery.

A synthetic form of gonadotropin-releasing hormone (GnRH), structurally identical to the natural hormone, used clinically to stimulate LH/FSH release and assess pituitary function.

Hexarelin is a potent synthetic hexapeptide growth hormone secretagogue (a GHRP-6 analog) that stimulates pituitary GH release via the ghrelin receptor and is also studied for GH-independent cardioprotective effects through CD36.

Humanin is a 24-amino-acid mitochondrial-derived peptide studied for cytoprotective, neuroprotective, metabolic, and longevity-associated effects.

IGF-1 LR3 is a long-acting recombinant analog of insulin-like growth factor 1, engineered to evade binding proteins so it activates the IGF-1 receptor for a markedly extended duration.

Ipamorelin is a selective pentapeptide ghrelin-receptor (GHS-R1a) agonist studied for its ability to trigger pulsatile growth hormone release without significantly raising cortisol, ACTH, or prolactin.

Kisspeptin-10 is the shortest bioactive fragment of the KISS1-derived hormone kisspeptin, a KISS1R agonist that stimulates GnRH neurons to drive pulsatile LH/FSH release and is studied for reproductive-axis activation and sexual processing.

KLOW is a four-component injectable peptide blend (GHK-Cu, BPC-157, TB-500, and KPV) commonly run as a combined tissue-repair, anti-inflammatory, and skin/connective-tissue support stack.

KPV (Lys-Pro-Val) is the C-terminal tripeptide of alpha-MSH studied for its NF-kB-inhibiting, anti-inflammatory activity in gut, skin, and wound-healing models.

LL-37 is the sole human cathelicidin antimicrobial peptide, a 37-amino-acid host-defense molecule studied for antimicrobial, anti-biofilm, immunomodulatory, and wound-healing activity.

Matrixyl (Palmitoyl Pentapeptide-4, Pal-KTTKS) is a topical cosmetic lipopeptide studied for stimulating dermal collagen synthesis and reducing the appearance of fine lines and wrinkles.

A synthetic α-MSH analog (afamelanotide) that stimulates melanin production via MC1-R; the FDA/EMA-approved drug Scenesse for erythropoietic protoporphyria.

Melanotan II is a synthetic cyclic analog of alpha-melanocyte-stimulating hormone that non-selectively activates melanocortin receptors, studied originally as a UV-independent tanning agent.

Mechano Growth Factor, the E-domain peptide of the IGF-1Ec splice variant, studied for activating muscle satellite cells after mechanical damage.

MK-677 (Ibutamoren) is an orally active, non-peptide ghrelin-receptor agonist and growth hormone secretagogue studied for its ability to raise GH and IGF-1 levels.

MOTS-c is a 16-amino-acid mitochondrial-derived peptide studied as an "exercise mimetic" that activates AMPK and is investigated for its effects on glucose handling, insulin sensitivity, and metabolic resilience.

N-Acetyl Selank is a chemically stabilized (N-acetylated, C-amidated) analog of the tuftsin-derived anxiolytic heptapeptide Selank, typically administered intranasally and studied in the context of anxiety reduction and cognitive support.

N-Acetyl Semax is an N-terminally acetylated, enzymatically stabilized analogue of the Russian ACTH(4-10)-derived heptapeptide Semax, studied (mostly in its parent form) for nootropic, neuroprotective, and mood-supportive effects associated with BDNF/neurotrophin upregulation.

Nicotinamide adenine dinucleotide, a central redox coenzyme for cellular energy metabolism and DNA repair, used in compounded injectable form with limited rigorous trial support.

Oxytocin is a nine-amino-acid neuropeptide and hormone studied for its roles in social bonding, anxiety, and mood, most often administered intranasally in research settings.

A small CNTF-derived peptidomimetic (P021) studied in rodents as an orally active, neurogenic/neurotrophic candidate for Alzheimer's and other neurodegenerative models.

A shortened spadin analog that potently blocks the TREK-1 potassium channel, studied in animals as a fast-acting antidepressant and pro-neurogenic peptide.

PEG-MGF is a pegylated, longer-acting synthetic version of the IGF-1Ec C-terminal "E-peptide" (Mechano Growth Factor) studied preclinically for activating muscle satellite cells and supporting tissue repair.

Pinealon (Glu-Asp-Arg / EDR) is a synthetic Khavinson tripeptide bioregulator studied preclinically for neuroprotection, antioxidant gene-expression effects, and cognitive support in aging.

A chimeric p53-derived research peptide that binds membrane-bound HDM-2 to selectively lyse cancer cells in preclinical (in-vitro/animal) studies only.

PT-141 (bremelanotide) is a cyclic melanocortin receptor agonist that acts centrally to increase sexual desire and arousal, FDA-approved as Vyleesi for premenopausal HSDD.

A cell-penetrating peptide that disrupts the CXXC5–Dishevelled interaction to activate Wnt/β-catenin signaling, studied topically for hair regrowth.

Retatrutide (LY3437943) is an investigational once-weekly injectable triple agonist of the GIP, GLP-1, and glucagon receptors studied for obesity and metabolic disease, producing the largest weight reductions reported among incretin-class agents in Phase 2 trials.

Selank (TP-7) is a synthetic heptapeptide derivative of the immunopeptide tuftsin, studied as a non-sedating anxiolytic and nootropic that modulates GABAergic, serotonergic, and BDNF signaling.

Semaglutide is a long-acting GLP-1 receptor agonist studied for type 2 diabetes glycemic control, chronic weight management, and cardiovascular risk reduction.

Semax is a synthetic heptapeptide analog of ACTH(4-10) studied as a nootropic and neuroprotective agent, primarily administered intranasally.

Sermorelin is a synthetic 29-amino-acid analog of growth hormone-releasing hormone (GHRH 1-29) that stimulates the pituitary to secrete the body's own growth hormone in a pulsatile, feedback-regulated manner.

SNAP-8 (Acetyl Octapeptide-3) is a topical synthetic octapeptide that mimics a fragment of SNAP-25 and is marketed as a needle-free cosmetic ingredient intended to soften the appearance of expression lines.

SS-31 (elamipretide) is a mitochondria-targeted tetrapeptide that binds cardiolipin on the inner mitochondrial membrane to help stabilize cristae structure, reduce oxidative stress, and support ATP production.

TB-500 is a synthetic, acetylated 7-amino-acid fragment (Ac-LKKTETQ) of the actin-regulating protein thymosin beta-4, studied for soft-tissue repair, angiogenesis, and recovery.

Tesamorelin is a stabilized 44-amino-acid GHRH analog, FDA-approved to reduce excess visceral abdominal fat in HIV-associated lipodystrophy, that works by stimulating the body's own pulsatile growth hormone and IGF-1 release.

Thymalin is a calf-thymus-derived polypeptide bioregulator studied for restoring T-cell immunity and as a candidate geroprotector in aging populations.

Thymosin Alpha-1 is a 28-amino-acid immunomodulatory peptide (marketed as Zadaxin/thymalfasin) that activates T-cells, dendritic cells, and NK cells via Toll-like receptor signaling.

Protirelin, the hypothalamic tripeptide that triggers pituitary TSH release; an approved diagnostic agent with a very short half-life.

Tirzepatide is a once-weekly injectable dual GIP/GLP-1 receptor agonist studied extensively for type 2 diabetes glycemic control and chronic weight management.

A long-acting GnRH agonist decapeptide that initially surges then suppresses LH/FSH and sex hormones, used clinically in prostate cancer, endometriosis, and precocious puberty.

A 28-amino-acid neuropeptide and potent vasodilator/immune modulator; its synthetic form aviptadil has been studied in ARDS/COVID-19 and pulmonary arterial hypertension.

The "Wolverine Stack" is a popular research/community combination of two healing peptides — BPC-157 (a synthetic 15-amino-acid gastric pentadecapeptide) and TB-500 (a fragment-based synthetic analog of thymosin beta-4) — run together for accelerated soft-tissue and musculoskeletal repair.