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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.

t½ ~30 minutesIn store
Quema grasaPérdida de pesoLipolisisMetabolismo

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.

t½ 4–6 hoursIn store
RecuperaciónIntestinoTendonesAnti-inflamatorio

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.

t½ ~7–8 days
Pérdida de pesoApetitoSaciedadMetabolismo

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.

t½ Variable due to composition.
MemoriaNeuroprotecciónCognitivoAlzheimer

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.

t½ ~6–8 days (with DAC)In store
GHIGF-1Masa muscularCellular longevity

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.

t½ Persistent (weeks in tissue)
MemoriaCognitivoNeuroprotecciónSinaptogénesis

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.

t½ ~30–40 minutes
SueñoRelajaciónEstrésAnalgesia

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.

t½ ~30 minutesIn store
Cellular longevityLongevidadTelómerosInmunomodulador

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.

t½ ~30–60 minutes
Masa muscularAnti-miostatinaFuerzaHipertrofia

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.

t½ ~30–60 minutes
LongevidadRejuvenecimientoCardíacoCognitivo

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.

t½ ~30–60 minutes
Cellular longevityPielColágenoReparación ADN

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.

t½ ~15–60 minutes
GHMasa muscularFuerzaApetito

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.

t½ ~15–60 minutes
GHApetitoMasa muscularRecuperación

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.

t½ ~2 minutes (native)
GlucosaDiabetesApetitoInsulina

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.

t½ ~2–10 minutesIn store
TestosteronaFertilidadLH/FSHPost-ciclo

Hexarelin

Examorelin · Hexarelin Acetate

High-potency GH Secretagogue with additional cardioprotective effects. It is one of the most potent GHRPs in stimulating GH release.

t½ ~30–70 minutes
GHCardioprotecciónMasa muscularFuerza

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.

t½ ~30 minutesIn store
Quema grasaMetabolismoLipolisisPérdida de peso

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.

t½ ~30–60 minutes
NeuroprotecciónCellular longevityLongevidadInsulina

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.

t½ ~20–30 hoursIn store
Masa muscularHipertrofiaFuerzaRecuperación

Ipamorelin

NNC 26-0161

Selective growth hormone secretagogue that stimulates the pituitary with minimal side effects. Considered one of the cleanest GHRPs available.

t½ ~2 hoursIn store
GHMasa muscularSueñoCellular longevity

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.

t½ ~10–27 minutes
TestosteronaLibidoFertilidadLH/FSH

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).

t½ ~1–2 hours
AntiinflamatorioIntestinoColitisInmunidad

LL-37

Cathelicidin · hCAP18

Human antimicrobial peptide with potent immunomodulatory properties. It combats bacterial, viral, and fungal infections, and modulates the inflammatory response.

t½ ~30 minutes
InmunidadAntimicrobianoAntiinflamatorioCicatrización

Melanotan 2

MT-2 · Melanotan II

Synthetic analog of the melanocyte-stimulating hormone (α-MSH). Promotes skin tanning, reduces appetite, and enhances sexual function.

t½ ~33 hours
BronceadoLibidoApetitoFunción sexual

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.

t½ ~30 minutes
Masa muscularReparaciónHipertrofiaRecuperación

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.

t½ ~30–60 minutes
MetabolismoLongevidadInsulinaEjercicio

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.

t½ ~1–3 minutes IV; lasting intracellular effects.
Cellular longevityEnergíaMitocondriasReparación ADN

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.

t½ ~1–2 hours
AntidepresivoSerotoninérgicoCognitivoAnsiedad

Pinealon

EDR peptide · Glu-Asp-Arg

Neuroprotective tripeptide derived from the pineal gland. Enhances memory, sleep, and has protective effects on the aging brain.

t½ ~30–60 minutes
MemoriaSueñoNeuroprotecciónCellular longevity

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.

t½ ~2.7 hoursIn store
LibidoFunción sexualDeseoDisfunción eréctil

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.

t½ ~6–7 days
Pérdida de pesoMetabolismoGlucosaApetito

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.

t½ ~2 minutes (plasma); effects of 8–24 h
AnsiedadCognitivoMemoriaEstrés

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.

t½ ~7 daysIn store
Pérdida de pesoDiabetesApetitoGlucosa

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.

t½ ~7 minutes (plasma); effects lasting 12 hours.
MemoriaConcentraciónNeuroprotecciónAntidepresivo

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.

t½ ~10–20 minutes
GHCellular longevitySueñoComposición corporal

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.

t½ N/A (topical use)
Cellular longevityArrugasPielTópico

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.

t½ ~2 hours
MitocondriasCellular longevityCardiovascularNeuroprotección

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.

t½ ~2–3 daysIn store
RecuperaciónAnti-inflamatorioFlexibilidadAngiogénesis

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.

t½ ~26–38 minutes
Grasa visceralComposición corporalGHIGF-1

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.

t½ ~2 hoursIn store
InmunidadAntiviralAntitumoralAutoinmune

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.

t½ ~5 daysIn store
Pérdida de pesoDiabetesApetitoMetabolismo