Peptide Encyclopedia
Detailed scientific information on all research peptides: mechanisms of action, dosage, side effects, and storage.
41 peptides in the encyclopedia
AOD-9604
Anti-Obesity Drug 9604 · hGH Fragment 177-191
Modified fragment of the C-terminal end of human growth hormone. Promotes lipolysis without the anabolic effects or impact on glucose of full GH.
BPC-157
Body Protection Compound 157
15-amino acid peptide derived from gastric BPC binding protein. It accelerates the healing of tissues, tendons, and muscles.
Cagrilintide
AM833
Long-acting analog of amylin in advanced clinical development. In combination with semaglutide (CagriSema), it demonstrates up to 25% weight loss in clinical trials.
Cerebrolysin
FPF-1070
A mixture of neurotrophic peptides derived from porcine brain. Approved in several countries for the research into Alzheimer's disease and stroke. It mimics the effects of NGF and BDNF.
CJC-1295
CJC-1295 DAC · Drug Affinity Complex
A long-acting GHRH analog that elevates baseline levels of GH and IGF-1 for several days. Frequently combined with Ipamorelin for synergistic effects.
Dihexa
N-hexanoic-Tyr-Ile-(6)-aminohexanoic amide
Nootropic peptide considered millions of times more potent than BDNF for promoting neuronal synapse. Significantly enhances memory and learning in Alzheimer models.
DSIP
Delta Sleep Inducing Peptide
Neuropeptide that induces delta sleep (deep slow-wave sleep). It enhances sleep quality, reduces stress, and possesses analgesic and antidepressant properties.
Epithalon
Epitalon · Epithalamin · Ala-Glu-Asp-Gly
Tetrapeptide derived from the pineal gland with potent effects in cellular longevity models. It activates telomerase to elongate telomeres and restore immune and neuroendocrine function.
Follistatin 344
FST-344 · Follistatin
Myostatin antagonist protein that suppresses its activity, releasing the biological brake on muscle growth. Associated with dramatic gains in muscle mass.
GDF-11
Growth Differentiation Factor 11 · BMP-11
Growth differentiation factor with systemic rejuvenation effects. Involved in the reversal of cardiac and cerebral aging in parabiosis studies.
GHK-Cu
Copper Peptide GHK · Glycyl-L-histidyl-L-lysine copper
Natural tripeptide with copper ion that possesses powerful skin regenerative properties, DNA repair capabilities, and effects in cellular longevity models. It stimulates the synthesis of collagen and elastin.
GHRP-2
Pralmorelin · Growth Hormone Releasing Peptide-2
Second-generation GH Secretagogue with a potent stimulating effect on the pituitary. Significantly elevates cortisol and prolactin in addition to GH.
GHRP-6
Growth Hormone Releasing Peptide-6 · His-D-Trp-Ala-Trp-D-Phe-Lys-NH2
One of the first synthetic GH secretagogues. It strongly stimulates appetite and GH release, with widespread use in bodybuilding and recovery.
GLP-1 (7-37)
Glucagon-like Peptide-1 · GLP-1 receptor agonist
Endogenous incretin that regulates postprandial glucose and satiety. The molecular basis of drugs such as semaglutide and liraglutide, which have a very short half-life in their native form.
Gonadorelin
GnRH · LHRH · Luteinizing Hormone Releasing Hormone
Synthetic gonadotropin-releasing hormone. It stimulates the pituitary gland to release LH and FSH, maintaining testicular function during exogenous testosterone research models.
Hexarelin
Examorelin · Hexarelin Acetate
High-potency GH Secretagogue with additional cardioprotective effects. It is one of the most potent GHRPs in stimulating GH release.
HGH Fragment 176-191
HGH Frag · GH Fragment 176-191
Stabilized fragment of the C-terminal end of human GH (amino acids 176–191). It promotes fat burning without raising glucose levels or inducing tissue growth.
Humanin
HN · Mitochondria-derived peptide
Mitochondrial peptide of 21 amino acids with potent neuroprotective and effects in cellular longevity models. It protects against beta-amyloid-induced apoptosis and enhances insulin sensitivity.
IGF-1 LR3
Long R3 IGF-1 · Insulin-like Growth Factor-1 LR3
Long-acting variant of human IGF-1 with 13 additional amino acids at the N-terminal. A potent promoter of muscle growth with low affinity for IGF-binding proteins.
Ipamorelin
NNC 26-0161
Selective growth hormone secretagogue that stimulates the pituitary with minimal side effects. Considered one of the cleanest GHRPs available.
Kisspeptin-10
KP-10 · Metastin fragment
Neuropeptide that regulates the hypothalamic-pituitary-gonadal axis. It stimulates the release of GnRH and LH, promoting the production of testosterone and sex hormones.
KPV
Lys-Pro-Val · MSH C-terminal tripeptide
Tripeptide derived from the C-terminal end of α-MSH. A potent intestinal anti-inflammatory agent with promising effects in IBD (inflammatory bowel disease).
LL-37
Cathelicidin · hCAP18
Human antimicrobial peptide with potent immunomodulatory properties. It combats bacterial, viral, and fungal infections, and modulates the inflammatory response.
Melanotan 2
MT-2 · Melanotan II
Synthetic analog of the melanocyte-stimulating hormone (α-MSH). Promotes skin tanning, reduces appetite, and enhances sexual function.
MGF
Mechano Growth Factor · IGF-1 Ec
Isoform of IGF-1 produced locally in muscle in response to mechanical damage. It activates muscle satellite cells to promote repair and hypertrophy.
MOTS-c
Mitochondrial Open Reading Frame of the 12S rRNA-c
Mitochondrial peptide that regulates cellular energy metabolism. It enhances insulin sensitivity, increases exercise endurance, and activates longevity pathways.
NAD+
Nicotinamide Adenine Dinucleotide · Beta-NAD
Fundamental coenzyme of cellular metabolism that decreases with age. Supplementation with NAD+ enhances mitochondrial function, activates sirtuins, and serves as a foundation for cellular longevity research.
PE22-28
Spadin analogue
Antidepressant peptide derived from the TREK-1 channel. It demonstrates rapid antidepressant effects (within hours) in preclinical models, with the potential to overcome the limitations of current antidepressants.
Pinealon
EDR peptide · Glu-Asp-Arg
Neuroprotective tripeptide derived from the pineal gland. Enhances memory, sleep, and has protective effects on the aging brain.
PT-141
Bremelanotide
Melanocortin peptide approved by the FDA for female sexual dysfunction. It acts directly on the central nervous system to enhance sexual desire in both men and women.
Retatrutide
LY3437943
Triple agonist GIP/GLP-1/Glucagon, the most advanced in its class. In phase 2 trials, it achieved up to 24% weight loss, surpassing semaglutide and tirzepatide.
Selank
TP-7
Synthetic anxiolytic peptide derived from tuftsin. It reduces anxiety and enhances cognitive function without the sedative or addictive effects associated with benzodiazepines.
Semaglutide
Ozempic · Wegovy · Rybelsus
Long-acting GLP-1 analog approved for type 2 diabetes and obesity. It induces significant weight loss by reducing appetite and delaying gastric emptying.
Semax
Met-Glu-His-Phe-Pro-Gly-Pro
Neuroprotective peptide derived from ACTH. It enhances memory, concentration, and brain function, with well-documented antidepressant and neuroprotective effects.
Sermorelin
GRF 1-29 NH2 · GHRH(1-29)
Biologically active fragment of natural GHRH. It physiologically stimulates the pituitary gland to produce GH, with a very favorable safety profile.
SNAP-8
Acetyl Octapeptide-3 · Leuphasyl
Octapeptide analog of the N-terminal end of SNAP-25 that inhibits the release of acetylcholine at the neuromuscular junction. Reduces expression wrinkles topically.
SS-31
Elamipretide · MTP-131 · Bendavia
Cardiolipin-targeted peptide that protects mitochondrial function. It reduces oxidative stress, enhances ATP production, and has protective effects in cardiovascular and renal diseases.
TB-500
Thymosin Beta-4 · Tβ4
Synthetic peptide derived from thymosin beta-4, a natural protein found in nearly all cells. A potent agent for muscle recovery and tissue repair.
Tesamorelin
Egrifta · TH9507
FDA-approved GHRH analog for the reduction of visceral abdominal fat in clinical populations with HIV. Potent and effective for central fat reduction.
Thymosin Alpha-1
Tα1 · Thymalfasin · Zadaxin
Thymic peptide approved in over 70 countries for chronic infections and cancer. It enhances the cellular immune response and modulates regulatory T cells.
Tirzepatide
Mounjaro · Zepbound
Dual agonist GIP/GLP-1 approved. It surpasses simple GLP-1s in weight loss efficacy, with up to 22% reduction in body weight in clinical studies.