15 amino acids
BPC-157
Investigated for accelerating healing of gastrointestinal mucosa, tendons, ligaments, bone, and nervous tissue in preclinical models, with anti-inflammatory and pro-angiogenic effects.
Peptide index
Peptides
Browse peptide entries covering mechanism, function, receptor targets, sequence, origin, and linked sources.
7 amino acids
TB-500
Studied for enhancing musculoskeletal and cardiac repair, wound healing, and promoting cell migration and differentiation via actin cytoskeleton remodeling.
3 amino acids
GHK-Cu
Acts as a tissue-remodeling and wound-healing signal, enhancing skin regeneration, angiogenesis, and repair while reducing inflammation and oxidative damage in experimental models.
43 amino acids
Thymosin Beta-4
Promotes wound healing, angiogenesis, and tissue regeneration in preclinical models via effects on cytoskeleton dynamics, cell migration, and anti-apoptotic pathways.
28 amino acids
Thymosin Alpha-1
Clinically used in some countries as an immunomodulator for chronic hepatitis B/C and as an adjuvant in cancer therapy, enhancing cell-mediated immunity.
37 amino acids
LL-37
Acts as a broad-spectrum antimicrobial and immunomodulatory peptide involved in host defense and wound repair, but can also promote inflammation and cancer cell proliferation in some contexts.
3 amino acids
KPV
Investigated as an anti-inflammatory and barrier-protective agent in skin and mucosal models, reducing pro-inflammatory cytokines and promoting tissue repair.
24 amino acids
Humanin
Exerts neuroprotective and cytoprotective effects in models of Alzheimer’s disease, ischemia, and metabolic stress, reducing apoptosis and improving cell survival.
16 amino acids
MOTS-c
Improves insulin sensitivity, enhances glycolysis, reduces oxidative stress, and shows protective effects in models of metabolic syndrome, aging, and ischemia-reperfusion injury.
16 amino acids
AOD-9604
Studied as an anti-obesity peptide that can reduce weight gain and increase fat oxidation in obese animal models with generally neutral effects on IGF-1 and glucose metabolism in early human trials.
29 amino acids
CJC-1295
Used in research to chronically elevate endogenous growth hormone and IGF-1 levels, enabling studies of body composition, metabolic, and anti-aging effects of prolonged GH exposure.
5 amino acids
Ipamorelin
Investigated for producing moderate, physiologic-like GH pulses useful for studying anabolic, body-composition, and recovery effects with a relatively clean endocrine side-effect profile compared with earlier GHRPs.
29 amino acids
Sermorelin
Used as a diagnostic agent for assessing GH secretory capacity and as a research tool or off-label therapy to increase endogenous GH in GH-deficient or age-related contexts.
44 amino acids
Tesamorelin
FDA-approved to reduce excess visceral adipose tissue in HIV-associated lipodystrophy and studied for broader body-composition, NAFLD, and cognitive effects via GH/IGF-1 axis modulation.
6 amino acids
GHRP-2
Used in research to induce robust GH pulses and study anabolic and metabolic effects; clinically developed as pralmorelin for GH deficiency diagnostics.
6 amino acids
GHRP-6
Used experimentally to produce strong GH surges and hyperphagia, allowing investigation of GH-dependent anabolism and energy-balance regulation.
6 amino acids
Hexarelin
Investigated for effects on GH secretion, cardiac protection, and muscle metabolism, with higher GH secretory potency than earlier GHRPs.
24 amino acids
PEG-MGF
Used experimentally to enhance muscle repair and hypertrophy after mechanical overload or injury by stimulating satellite-cell activation and protein synthesis.
24 amino acids
MGF
Upregulated in muscle after mechanical overload, where it supports tissue repair and growth; recombinant forms are studied for regenerative and performance-enhancement effects.
31 amino acids
Semaglutide
Approved for type 2 diabetes and chronic weight management, significantly lowering HbA1c and body weight by modulating incretin pathways.
39 amino acids
Tirzepatide
Approved for type 2 diabetes and obesity, producing larger HbA1c and body-weight reductions than semaglutide in head-to-head trials.
39 amino acids
Retatrutide
Investigational agent that produces very large body-weight reductions in early trials by simultaneously engaging GLP-1R, GIPR, and GCGR to enhance satiety, energy expenditure, and glycemic control.
31 amino acids
Liraglutide
Approved for type 2 diabetes and weight management, improving glycemic control and inducing weight loss through GLP-1–mediated insulinotropic, glucagonostatic, and appetite-suppressing actions.
39 amino acids
Exenatide
Used for type 2 diabetes treatment to improve glycemic control and modestly reduce body weight through GLP-1–like insulinotropic and glucagonostatic effects.
amino acids
Dulaglutide
Once-weekly GLP-1RA for type 2 diabetes that lowers HbA1c and body weight by enhancing glucose-dependent insulin secretion and reducing appetite.
amino acids
Setmelanotide
Approved for chronic weight management in patients with POMC, PCSK1, LEPR deficiencies and Bardet–Biedl syndrome by reducing hunger and promoting weight loss.
7 amino acids
PT-141
FDA-approved for treatment of hypoactive sexual desire disorder in premenopausal women and studied for sexual dysfunction in other populations, increasing sexual desire via CNS melanocortin pathways.
10 amino acids
Kisspeptin
Key regulator of hypothalamic–pituitary–gonadal axis, controlling puberty and fertility; kisspeptin-10 also inhibits trophoblast invasion and tumor metastasis in experimental models.
13 amino acids
Melanotan I
Approved in some regions for prevention of phototoxicity in erythropoietic protoporphyria and studied as a skin-darkening, photoprotective peptide.
7 amino acids
Melanotan II
Studied as a tanning and libido-enhancing agent; increases melanin production and can reduce food intake and modulate sexual arousal in animal models and humans.
4 amino acids
Epitalon
Reported to increase lifespan and reduce tumor incidence in animals, and to influence differentiation of neural and mesenchymal stem cells; studied as an epigenetic regulatory peptide.
4 amino acids
SS-31
Improves mitochondrial bioenergetics, reduces oxidative stress, and shows protective effects in models of ischemia-reperfusion, neurodegeneration, and other mitochondrial disorders.
amino acids
FOXO4-DRI
Acts as a senolytic in preclinical models by promoting apoptosis of senescent cells, improving tissue function and healthspan measures in aged animals.
7 amino acids
Selank
Developed in Russia as an anxiolytic and nootropic peptide; in animal models it reduces anxiety-like behavior and modulates immune parameters under stress.
7 amino acids
Semax
Used clinically in Russia for ischemic stroke and cognitive disorders; in models it improves learning, protects dopaminergic neurons, and modulates stress responses without significant endocrine ACTH-like effects.
9 amino acids
DSIP
Originally described for inducing spindle and delta sleep activity when infused into the brain of rabbits; later studies report stress-modulating and endocrine effects, though its physiological role is still debated.
5 amino acids
Matrixyl
Widely used cosmetic peptide with evidence of stimulating extracellular matrix synthesis and reducing wrinkle appearance in skin-care formulations.
6 amino acids
Argireline
Topical cosmetic peptide reported to decrease dynamic wrinkles by partially mimicking the mechanism of botulinum toxin in a non-invasive manner.
8 amino acids
Snap-8
Cosmetic peptide studied for reducing wrinkle depth by inhibiting synaptic vesicle fusion and subsequent muscle contraction in facial expression muscles.
4 amino acids
Acetyl tetrapeptide-5
Used in cosmetic eye formulations to decrease puffiness, eye bags, and dark circles by reducing edema and protecting proteins such as SOD from glycation.