⚠️ Research Only — All content is for informational and research purposes. Not medical advice. Read full disclaimer

Peptide Database

All Peptides

147 comprehensive research profiles with dosing, reconstitution, mechanisms, evidence ratings, and cited studies.

147 peptides found

5

A

⚖️Weight Loss

AOD-9604

Anti-Obesity Drug 9604 · Tyr-hGH Fragment 177-191

AOD-9604 is a modified fragment of human growth hormone (amino acids 177-191) with a tyrosine residue added for enhanced stability. It stimulates lipolysis and inhibits lipogenesis without affecting blood glucose or IGF-1, and has been granted FDA GRAS status as a food ingredient.

strongFat Loss Without GH Side Effects
🛡️Immune Support🩹Recovery & Healing

ARA 290

Cibinetide · ARA290

ARA 290 (Cibinetide) is a synthetic 11-amino acid peptide derived from the tissue-protective domain of erythropoietin (EPO). It selectively activates the innate repair receptor (IRR) to provide cytoprotective, anti-inflammatory, and tissue-repair effects without stimulating red blood cell production.

moderateSmall Fiber Neuropathy Repair
muscle💪Performance

ACE-031

ACVR2B-Fc

ACE-031 is a soluble fusion protein that blocks myostatin and other growth inhibitors to promote dramatic muscle growth and strength increases.

strongDramatic Muscle Mass Increases
📈Growth Hormoneappetite

Anamorelin

RC-1291 · ONO-7643

Anamorelin is a synthetic ghrelin receptor agonist that stimulates growth hormone release and increases appetite through activation of the growth hormone secretagogue receptor.

strongGrowth Hormone Stimulation
📈Growth Hormone

Alexamorelin

GHRP-X · A-692,429

Alexamorelin is a synthetic ghrelin receptor agonist that stimulates growth hormone release through selective activation of the GHS-R1a receptor. This peptide demonstrates potent GH-releasing activity with potential applications in growth hormone deficiency and muscle wasting research.

strongGrowth Hormone Stimulation
⚖️Weight Lossmetabolic

AOD-9604 Oral

Anti-Obesity Drug 9604 · Fragment 177-191

AOD-9604 Oral is a synthetic peptide fragment derived from human growth hormone that specifically targets fat metabolism without affecting blood sugar levels. This oral formulation offers improved convenience compared to injectable versions while maintaining the peptide's ability to stimulate lipolysis and reduce fat accumulation.

moderateFat Loss Without Muscle Loss
skinAnti-Aging

Argireline

Acetyl Hexapeptide-3 · Acetyl Hexapeptide-8

Argireline is a synthetic hexapeptide that mimics the N-terminal end of SNAP-25, inhibiting neurotransmitter release to reduce facial muscle contractions and minimize expression lines.

strongWrinkle Reduction
anxietymental-health

Anti-Anxiety Peptides

Anxiolytic Peptides · Stress-Relief Peptides

Anti-anxiety peptides are bioactive compounds that modulate stress response pathways and neurotransmitter systems to reduce anxiety symptoms. These peptides work through GABA receptor enhancement, cortisol regulation, and neuroprotective mechanisms.

moderateReduces Generalized Anxiety
cardiovascularanti-hypertensive

Angiotensin 1-7

Ang(1-7) · A(1-7)

Angiotensin 1-7 is an endogenous heptapeptide that functions as a counter-regulatory component of the renin-angiotensin system, promoting vasodilation and cardioprotective effects through MAS receptor activation.

strongBlood Pressure Reduction
⚖️Weight Lossexperimental

Adipotide

CKGGRAKDC-GG-D(KLAKLAK)2 · Prohibitin Targeting Peptide

Adipotide is an experimental peptide compound designed to selectively target and destroy blood vessels that supply white adipose tissue. This mechanism causes fat cell death by cutting off their blood supply, leading to rapid fat loss in research models.

moderateRapid Fat Loss
bone

Abaloparatide

Tymlos · BA058

Abaloparatide is a synthetic parathyroid hormone-related protein (PTHrP) analog that selectively activates the PTH1 receptor to stimulate bone formation. This peptide increases bone mineral density and reduces fracture risk by promoting osteoblast activity while minimally affecting bone resorption.

strongIncreased Bone Mineral Density

B

🩹Recovery & Healing💪Performance

BPC-157

Body Protection Compound-157 · Pentadecapeptide

BPC-157 is a 15-amino acid peptide derived from a portion of human gastric juice protein. It has been extensively studied in animal models for its notable regenerative properties on tendons, ligaments, muscle, nervous system, and the gastrointestinal tract.

strongTendon & Ligament Repair
🛡️Immune Support

Bronchogen

Ala-Glu-Asp · AED

Bronchogen (AED) is a synthetic tripeptide (Ala-Glu-Asp) from the Khavinson bioregulator program targeting bronchial and lung tissue. It is researched for restoring respiratory epithelium function, reducing chronic airway inflammation, and supporting lung tissue repair in aging and chronic respiratory conditions.

preliminaryBronchial Epithelial Restoration
❤️Sexual Health

Bremelanotide

Vyleesi · PT-141

Bremelanotide is an FDA-approved melanocortin receptor agonist used to treat hypoactive sexual desire disorder in premenopausal women. This synthetic peptide works by activating melanocortin receptors in the central nervous system to enhance sexual arousal and desire.

strongEnhanced Female Sexual Desire
🩹Recovery & Healinghealing

BPC-157 Arginate

Stable BPC-157 · BPC-157 Arg Salt

BPC-157 Arginate is a stabilized salt form of the pentadecapeptide BPC-157 that exhibits enhanced stability and bioavailability compared to the standard acetate form. This gastric peptide derivative promotes tissue repair, reduces inflammation, and accelerates healing across multiple organ systems.

strongAccelerated Wound Healing
🩹Recovery & Healinggut-health

BPC-157 Oral

Body Protection Compound-157 Oral · Pentadecapeptide BPC 157 Oral

BPC-157 Oral is a synthetic pentadecapeptide derived from human gastric juice that shows promise for gastrointestinal healing and systemic tissue repair when taken orally. This stable gastric peptide demonstrates gastroprotective effects and may support healing throughout the digestive tract.

strongGastric Ulcer Healing
cardiovascularanticoagulant

Bivalirudin

Angiomax · Hirulog

Bivalirudin is a synthetic anticoagulant peptide that directly inhibits thrombin, preventing blood clot formation during cardiovascular procedures. This reversible direct thrombin inhibitor offers predictable anticoagulation with a short half-life and minimal drug interactions.

strongDirect Thrombin Inhibition

C

📈Growth HormoneAnti-Aging💪Performance

CJC-1295

CJC-1295 DAC · CJC-1295 without DAC

CJC-1295 is a synthetic growth hormone-releasing hormone (GHRH) analogue that stimulates the pituitary gland to produce and release growth hormone. It exists in two forms: with and without Drug Affinity Complex (DAC), each offering different pharmacokinetic profiles.

strongIncreased Growth Hormone Secretion
🧠CognitiveAnti-Aging

Cortagen

Ala-Glu-Asp-Pro · AEDP

Cortagen (AEDP) is a synthetic tetrapeptide (Ala-Glu-Asp-Pro) from the Khavinson bioregulator program targeting cerebral cortex tissue. It is derived from Cortexin, a bovine brain cortex extract used clinically in Russia for neurological conditions, and is researched for neuroprotection, cognitive support, and cortical function restoration.

moderateCortical Neuroprotection
🧠Cognitiveneuroprotective

Cerebrolysin

CBL · Cerebrolysin concentrate

Cerebrolysin is a neuropeptide preparation derived from pig brain tissue that contains neurotrophic factors and amino acids. Research shows it promotes neuronal survival, enhances synaptic plasticity, and supports cognitive function through multiple neuroprotective mechanisms.

strongNeuroprotection After Stroke
📈Growth Hormone

CJC-1295 No DAC

Modified GRF 1-29 · Mod GRF

CJC-1295 No DAC is a synthetic growth hormone-releasing hormone (GHRH) analog that stimulates natural growth hormone production without the drug affinity complex, requiring more frequent administration but offering precise timing control.

strongGrowth hormone stimulation
⚖️Weight Lossmetabolic

CagriSema

Cagrilintide + Semaglutide · Dual GLP-1/Amylin Agonist

CagriSema combines cagrilintide (an amylin analog) with semaglutide (a GLP-1 receptor agonist) to create a dual-action weight loss compound that targets multiple metabolic pathways.

strongSuperior Weight Loss
skinjoint

Collagen Peptides

Hydrolyzed Collagen · Collagen Hydrolysate

Collagen Peptides are short chains of amino acids derived from hydrolyzed collagen that support skin elasticity, joint health, and connective tissue repair. These bioactive peptides provide the building blocks for collagen synthesis throughout the body.

strongSkin Elasticity and Hydration
skinhair

Copper Peptide AHK-Cu

Alanine-Histidine-Lysine Copper · AHK-Cu

Copper Peptide AHK-Cu is a synthetic tripeptide complex that binds copper ions to promote collagen synthesis, wound healing, and hair growth through enhanced cellular repair mechanisms.

strongEnhanced Collagen Production
Anti-Agingantioxidant

Carnosine

Beta-Alanyl-L-Histidine · L-Carnosine

Carnosine is a naturally occurring dipeptide composed of beta-alanine and histidine that functions as a potent antioxidant and anti-glycation agent. This endogenous compound declines with age and plays crucial roles in muscle function, neuroprotection, and cellular longevity.

strongAdvanced Glycation End-Product Inhibition
🧠Cognitiveneuroprotective

Cortexin

Cortexin is a polypeptide complex derived from bovine brain cortex tissue that contains low-molecular-weight neuropeptides and amino acids. This nootropic compound supports neuronal survival and cognitive function through multiple neuroprotective mechanisms.

moderateEnhanced Memory and Learning
bioregulator🛡️Immune Support

Crystagen

Thymus Bioregulator 2

Crystagen is a synthetic thymus-derived bioregulator peptide designed to support immune system function and thymic tissue regeneration. This short-chain peptide targets immune dysfunction and age-related thymus atrophy.

moderateImmune System Enhancement
bioregulator🧠Cognitive

Cerluten

Brain Bioregulator · Cerebral Peptide Complex

Cerluten is a brain-derived bioregulator peptide complex designed to support neurological function and cognitive health. This peptide bioregulator contains short chains of amino acids that may help maintain brain tissue integrity and neural communication pathways.

preliminaryCognitive Function Support
cardiovascularanti-hypertensive

Catestatin

Chromogranin A Fragment · CgA352-372

Catestatin is a 21-amino acid peptide fragment derived from chromogranin A that acts as a natural antihypertensive agent by inhibiting catecholamine release and promoting vasodilation.

strongBlood Pressure Reduction
bonehormonal

Calcitonin

Miacalcin · Fortical

Calcitonin is a naturally occurring hormone peptide that regulates calcium homeostasis and bone metabolism by inhibiting osteoclast activity and reducing bone resorption.

strongBone Resorption Inhibition

D

🧠Cognitive

DSIP

Delta Sleep-Inducing Peptide · Delta Sleep Peptide

DSIP (Delta Sleep-Inducing Peptide) is a naturally occurring nonapeptide first isolated from rabbit brain in 1977. It modulates sleep architecture, stress response, and neuroendocrine function. Research shows it promotes delta (slow-wave) sleep without sedation and normalizes disrupted sleep patterns.

moderateDelta (Slow-Wave) Sleep Promotion
🧠Cognitive

Dihexa

N-hexanoic-Tyr-Ile-(6) aminohexanoic amide · PNB-0408

Dihexa is a synthetic hexapeptide analog of angiotensin IV that is 7 orders of magnitude (10 million times) more potent than BDNF at promoting hepatocyte growth factor (HGF)/c-Met receptor signaling. It is one of the most potent pro-cognitive compounds known, demonstrating notable memory enhancement in animal models of dementia.

strongExtraordinary Pro-Cognitive Potency
⚖️Weight Lossmetabolic

Dulaglutide

Trulicity

Dulaglutide is a long-acting GLP-1 receptor agonist that mimics the incretin hormone GLP-1 to regulate blood glucose levels and promote weight loss. This once-weekly injectable medication works by enhancing insulin secretion, suppressing glucagon release, and slowing gastric emptying.

strongSignificant Weight Loss
hormonalvasopressin-analog

Desmopressin

DDAVP · Minirin

Desmopressin is a synthetic analog of vasopressin (antidiuretic hormone) that increases water reabsorption in the kidneys and enhances blood clotting by releasing factor VIII and von Willebrand factor. This peptide hormone analog demonstrates significantly longer duration of action than natural vasopressin due to structural modifications that prevent enzymatic breakdown.

strongDiabetes Insipidus Management
antimicrobialskin

Dermcidin

DCD-1L

Dermcidin is a naturally occurring antimicrobial peptide produced by human eccrine sweat glands that provides broad-spectrum protection against bacterial and fungal pathogens on the skin surface.

strongBroad-spectrum antimicrobial activity
antimicrobial🛡️Immune Support

Defensins

Alpha-Defensins · Beta-Defensins

Defensins are small antimicrobial peptides that serve as the body's first line of defense against pathogens, working through membrane disruption and immune system activation.

strongBroad-Spectrum Antimicrobial Activity

E

Anti-Aging

Epitalon

Epithalon · Epithalone

Epitalon (AEDG) is a synthetic tetrapeptide (Ala-Glu-Asp-Gly) developed by Professor Vladimir Khavinson at the St. Petersburg Institute of Bioregulation and Gerontology. It is the most studied of the Khavinson bioregulators, researched primarily for telomerase activation, pineal gland regulation, and anti-aging effects.

moderateTelomerase Activation
📈Growth Hormone

Examorelin

Hexarelin Analog · EP51389

Examorelin is a synthetic growth hormone-releasing peptide (GHRP) that stimulates growth hormone secretion through ghrelin receptor activation. This hexapeptide analog demonstrates potent GH-releasing activity with potential applications in growth hormone deficiency research.

strongGrowth Hormone Stimulation
⚖️Weight Lossmetabolic

Exenatide

Byetta · Bydureon

Exenatide is a synthetic GLP-1 receptor agonist derived from Gila monster saliva that regulates blood glucose and promotes weight loss through enhanced insulin secretion and delayed gastric emptying.

strongBlood Glucose Regulation
bioregulatorpineal

Endoluten

Pineal Gland Bioregulator · Pineal Peptide Complex

Endoluten is a pineal gland bioregulator peptide complex that supports circadian rhythm regulation and melatonin production. This peptide bioregulator targets pineal gland function to help maintain healthy sleep-wake cycles and cellular regeneration processes.

moderateCircadian Rhythm Regulation
antiviral

Enfuvirtide

Fuzeon · T-20

Enfuvirtide is a synthetic peptide HIV entry inhibitor that blocks viral fusion with CD4+ T cells by binding to the gp41 protein. This 36-amino acid peptide prevents HIV-1 from entering target cells, making it effective against multidrug-resistant strains.

strongHIV Entry Inhibition
cardiovascularantiplatelet

Eptifibatide

Integrilin

Eptifibatide is a synthetic cyclic heptapeptide that selectively inhibits platelet aggregation by blocking glycoprotein IIb/IIIa receptors. This antiplatelet agent prevents blood clot formation and is primarily researched for acute coronary syndromes and percutaneous coronary interventions.

strongPlatelet Aggregation Inhibition

F

G

💆Skin & HairAnti-Aging

GHK-Cu

Copper Peptide · GHK Copper

GHK-Cu is a naturally occurring copper-binding tripeptide found in human plasma, saliva, and urine. It declines significantly with age and has been extensively researched for skin remodeling, wound healing, anti-inflammatory effects, and gene expression modulation favoring tissue repair.

strongCollagen & Elastin Stimulation
📈Growth Hormone💪Performance

GHRP-2

Growth Hormone Releasing Peptide 2 · Pralmorelin

GHRP-2 (Pralmorelin) is a synthetic hexapeptide growth hormone secretagogue that acts on the ghrelin/GHS receptor to stimulate pituitary growth hormone release. It is one of the most potent GHRPs studied, with a strong and consistent GH-releasing effect.

strongPotent Growth Hormone Release
📈Growth Hormone💪Performance

GHRP-6

Growth Hormone Releasing Peptide 6 · Growth Hormone Releasing Hexapeptide

GHRP-6 is a synthetic hexapeptide growth hormone secretagogue and one of the first GHRPs discovered. It potently stimulates GH release through the ghrelin receptor and is notable for its strong appetite-stimulating effects, making it valuable for research in both GH physiology and metabolism.

strongPotent GH Secretion
⚖️Weight Loss

GLP-1 (7-37)

Glucagon-Like Peptide-1 · Native GLP-1

GLP-1 (7-37) is the biologically active form of the endogenous incretin hormone glucagon-like peptide-1. It is the natural peptide that semaglutide, tirzepatide, and other GLP-1 receptor agonists are designed to mimic, playing a central role in glucose homeostasis, appetite regulation, and metabolic function.

strongGlucose-Dependent Insulin Secretion
💆Skin & HairAnti-Aging

GHK

Glycyl-Histidyl-Lysine · GHK Tripeptide

GHK (Glycyl-Histidyl-Lysine) is a naturally occurring tripeptide found in human plasma, saliva, and urine. It is the parent molecule of GHK-Cu and Pal-GHK, and has been shown to modulate over 4,000 human genes; broadly resetting gene expression toward a healthier, younger pattern.

strongMassive Gene Expression Modulation
❤️Sexual Health

Gonadorelin

GnRH · Gonadotropin-Releasing Hormone

Gonadorelin is the synthetic form of gonadotropin-releasing hormone (GnRH), a 10-amino acid peptide produced by the hypothalamus. It stimulates the pituitary gland to release LH and FSH, making it essential for fertility, testosterone production, and reproductive function. Used clinically for fertility treatment, hypogonadism diagnosis, and hormonal support.

strongEndogenous LH/FSH Stimulation
📈Growth Hormone

GHRP-1

Growth Hormone Releasing Peptide 1 · GHRP1

GHRP-1 is a synthetic growth hormone releasing peptide that stimulates the anterior pituitary gland to increase growth hormone secretion. This hexapeptide was one of the first growth hormone secretagogues developed and serves as a research compound for studying GH release mechanisms.

strongGrowth Hormone Stimulation
antioxidantdetox

Glutathione

GSH · L-Glutathione

Glutathione is the body's master antioxidant, a tripeptide composed of glutamate, cysteine, and glycine that protects cells from oxidative damage and supports detoxification processes. This naturally occurring compound plays critical roles in immune function, cellular repair, and neutralizing free radicals throughout the body.

strongCellular Antioxidant Protection

H

I

📈Growth HormoneAnti-Aging💪Performance

Ipamorelin

IPA · Ipamorelin Acetate

Ipamorelin is a selective growth hormone secretagogue (GHS) that stimulates growth hormone release through the ghrelin receptor. It is considered one of the cleanest GH-releasing peptides due to its selectivity; it elevates GH without significantly affecting cortisol, prolactin, or appetite.

strongSelective GH Release
growthmuscle

IGF-1 LR3

Long R3 IGF-1 · IGF-1 Long Arg3

IGF-1 LR3 is a synthetic analog of insulin-like growth factor-1 with an extended half-life that promotes muscle growth, tissue repair, and cellular regeneration through enhanced IGF-1 receptor activation.

strongMuscle Growth and Hypertrophy
growthmuscle

IGF-1 DES

Des(1-3) IGF-1 · Des IGF-1

IGF-1 DES is a truncated analog of insulin-like growth factor-1 that lacks the first three amino acids, making it 10 times more potent than regular IGF-1 and highly localized in action.

moderateLocalized Muscle Growth
📈Growth Hormone

Ibutamoren

MK-677 · MK-0677

Ibutamoren is an orally active growth hormone secretagogue that stimulates the release of growth hormone and IGF-1 by mimicking the action of ghrelin at the growth hormone secretagogue receptor.

strongIncreased Growth Hormone and IGF-1 Levels
growthmetabolic

Insulin-like Growth Factor 2

IGF-II · IGF-2

Insulin-like Growth Factor 2 (IGF-2) is an anabolic peptide hormone that regulates cell growth, differentiation, and metabolism throughout development and adult tissue maintenance. This 67-amino acid growth factor plays essential roles in skeletal muscle development, bone formation, and metabolic regulation.

strongSkeletal Muscle Hypertrophy

K

L

🛡️Immune Support

LL-37

Cathelicidin · hCAP-18

LL-37 is the only human cathelicidin antimicrobial peptide, a 37-amino acid peptide with broad-spectrum antimicrobial activity against bacteria, viruses, and fungi. Beyond direct antimicrobial action, it modulates immune responses, promotes wound healing, and has anti-biofilm properties.

strongBroad-Spectrum Antimicrobial
Anti-Aging

Livagen

Lys-Glu-Asp-Ala · KEDA

Livagen (KEDA) is a synthetic tetrapeptide (Lys-Glu-Asp-Ala) from the Khavinson bioregulator program targeting hepatic (liver) tissue. It is researched for liver function restoration, hepatoprotection, chromatin decondensation, and anti-aging effects on hepatocytes.

moderateChromatin Decondensation (Gene Reactivation)
⚖️Weight Lossmetabolic

Liraglutide

Saxenda · Victoza

Liraglutide is a GLP-1 receptor agonist originally developed for type 2 diabetes treatment that demonstrates significant weight loss effects through appetite suppression and delayed gastric emptying.

strongWeight Loss
hormonal

Leuprolide

Lupron · Leuprorelin

Leuprolide is a synthetic gonadotropin-releasing hormone (GnRH) agonist that suppresses testosterone and estrogen production through pituitary desensitization. Research applications include prostate cancer studies, endometriosis models, and fertility research protocols.

strongHormone Suppression for Cancer Research
gut-health

Larazotide

AT-1001 · Larazotide acetate

Larazotide is a synthetic octapeptide that blocks zonulin-mediated intestinal permeability, specifically designed to treat celiac disease by preventing gluten-induced tight junction disruption. This peptide works by inhibiting the MyD88-dependent pathway that leads to increased intestinal permeability.

moderateIntestinal Barrier Protection
skinAnti-Aging

Leuphasyl

Pentapeptide-18 · Acetyl Glutamyl Heptapeptide-3

Leuphasyl is a synthetic pentapeptide that mimics the effects of enkephalin, blocking muscle contraction signals to reduce the formation of expression lines and wrinkles.

strongExpression Line Reduction
cardiovascular

Levosimendan

Simdax

Levosimendan is a calcium sensitizer and inodilator that enhances cardiac contractility without increasing myocardial oxygen consumption. This compound opens ATP-sensitive potassium channels and inhibits phosphodiesterase III, making it valuable for heart failure research.

strongEnhanced Cardiac Contractility
hormonalsomatostatin

Lanreotide

Somatuline · Lanreotide Acetate

Lanreotide is a synthetic somatostatin analog that binds to somatostatin receptors to suppress growth hormone and insulin-like growth factor-1 (IGF-1) secretion. This long-acting peptide shows promise in research applications targeting neuroendocrine tumors, acromegaly, and growth hormone disorders.

strongGrowth Hormone Suppression
gut-healthIBS

Linaclotide

Linzess

Linaclotide is a guanylate cyclase-C receptor agonist that increases intestinal fluid secretion and accelerates colonic transit while reducing visceral pain. This synthetic peptide treats irritable bowel syndrome with constipation and chronic idiopathic constipation by activating cyclic GMP pathways in intestinal epithelial cells.

strongAccelerated Colonic Transit
respiratory

Lucinactant

KL4 Peptide · Surfaxin

Lucinactant is a synthetic lung surfactant containing the KL4 peptide that mimics natural pulmonary surfactant function. This peptide reduces surface tension in the alveoli and prevents lung collapse in premature infants and patients with respiratory distress.

strongRespiratory Distress Syndrome Treatment
antimicrobial🛡️Immune Support

Lactoferricin

Lfcin · LfcinB

Lactoferricin is an antimicrobial peptide derived from lactoferrin that exhibits potent antibacterial, antiviral, and immunomodulatory properties. This cationic peptide demonstrates broad-spectrum antimicrobial activity against both gram-positive and gram-negative bacteria.

strongAntibacterial Activity

M

💆Skin & Hair

Melanotan I

Afamelanotide · Scenesse

Melanotan I (Afamelanotide) is a synthetic analog of alpha-melanocyte-stimulating hormone (α-MSH) that activates MC1R to stimulate melanogenesis. FDA-approved as Scenesse for erythropoietic protoporphyria (EPP), it increases eumelanin production providing photoprotection without UV exposure.

strongFDA-Approved Photoprotection (EPP)
💆Skin & Hair❤️Sexual Health

Melanotan II

MT-II · MT-2

Melanotan II is a synthetic cyclic heptapeptide analog of α-MSH that non-selectively activates multiple melanocortin receptors (MC1R-MC5R). It produces skin tanning, sexual arousal, and appetite suppression but carries significant safety concerns due to its broad receptor activity and unregulated status.

strongSkin Tanning Without UV
muscle💪Performance

Myostatin Inhibitor YK-11

YK11 · YK-11

Myostatin Inhibitor YK-11 is a selective androgen receptor modulator (SARM) that blocks myostatin signaling to promote muscle growth beyond natural genetic limits. Research shows it increases follistatin expression while binding to androgen receptors, creating a dual mechanism for enhanced muscle development.

moderateEnhanced Muscle Growth
muscle🩹Recovery & Healing

MGF

Mechano Growth Factor · IGF-1Ec

MGF (Mechano Growth Factor) is a splice variant of IGF-1 that forms in response to mechanical stress on muscle tissue. This peptide activates satellite cells and promotes muscle fiber repair and growth following exercise or injury.

strongSatellite Cell Activation
📈Growth Hormonediagnostic

Macimorelin

Macrilen · GHRP-2 analog

Macimorelin is a synthetic ghrelin receptor agonist primarily used as a diagnostic tool to assess growth hormone deficiency in adults. This orally active peptide stimulates growth hormone release through the ghrelin pathway, making it valuable for clinical evaluation of pituitary function.

strongGrowth Hormone Deficiency Diagnosis
metabolicAnti-Agingmitochondrial

MOTS-c

Mitochondrial ORF of the 12S rRNA type-c · Mitochondrial-derived peptide

MOTS-c is a mitochondrial-derived peptide that regulates cellular metabolism and glucose homeostasis. This 16-amino acid peptide enhances insulin sensitivity, promotes fat oxidation, and may extend healthspan through mitochondrial optimization.

strongEnhanced Insulin Sensitivity
skinAnti-Aging

Matrixyl

Palmitoyl Pentapeptide-4 · Pal-KTTKS

Matrixyl is a synthetic pentapeptide that stimulates collagen production and reduces the appearance of fine lines and wrinkles. This anti-aging peptide works by mimicking the natural process of collagen breakdown, signaling skin cells to produce new collagen and elastin.

strongCollagen Production Stimulation

N

hormonal

Nafarelin

Synarel · Nafarelin Acetate

Nafarelin is a synthetic gonadotropin-releasing hormone (GnRH) agonist that initially stimulates then suppresses LH and FSH production. Research applications focus on endometriosis treatment, precocious puberty management, and reproductive system modulation studies.

strongEndometriosis Research Applications
Anti-Agingeye-health

N-Acetyl Carnosine

NAC Eye Drops · N-Acetylcarnosine

N-Acetyl Carnosine is a synthetic derivative of the naturally occurring dipeptide carnosine, designed specifically for ophthalmic applications. This compound demonstrates superior bioavailability and stability compared to regular carnosine, making it particularly effective for eye health research.

strongCataract Prevention and Reversal
Anti-Agingcellular

NAD+ Peptide

LSGGAVQEGQAAKK · Nicotinamide Adenine Dinucleotide Peptide

NAD+ Peptide is a synthetic peptide designed to boost cellular nicotinamide adenine dinucleotide levels, supporting mitochondrial function and cellular energy production. This peptide targets age-related NAD+ decline to promote cellular repair and longevity pathways.

moderateEnhanced Cellular Energy Production
Anti-Agingcellular

Nicotinamide Mononucleotide

NMN · β-Nicotinamide mononucleotide

Nicotinamide Mononucleotide (NMN) is a precursor to NAD+ that supports cellular energy production and DNA repair mechanisms associated with healthy aging.

strongCellular Energy Enhancement
🧠Cognitivenootropic

Noopept

N-Phenylacetyl-L-Prolylglycine Ethyl Ester · GVS-111

Noopept is a synthetic nootropic peptide that enhances cognitive function through AMPA receptor modulation and BDNF upregulation. Research shows it improves memory formation, learning capacity, and neuroprotection at doses 100-1000 times lower than traditional racetams.

strongMemory Enhancement
🧠Cognitiveneurogenesis

NSI-189

NSI-189 is a synthetic neurogenic compound that promotes hippocampal neurogenesis and shows promise for cognitive enhancement and depression treatment. This experimental nootropic increases brain-derived neurotrophic factor (BDNF) levels and stimulates the growth of new neurons in memory-critical brain regions.

strongHippocampal Volume Increase

O

P

❤️Sexual Health

PT-141

Bremelanotide · PT141

PT-141 (Bremelanotide) is a synthetic melanocortin peptide that acts on the central nervous system to influence sexual arousal. It is the only FDA-approved peptide for hypoactive sexual desire disorder (HSDD) in premenopausal women, marketed as Vyleesi.

strongFemale Sexual Desire (HSDD)
🧠CognitiveAnti-Aging

Pinealon

Glu-Asp-Arg · EDR

Pinealon (EDR) is a synthetic tripeptide (Glu-Asp-Arg) from the Khavinson bioregulator program, designed to target brain and central nervous system tissue. It is researched for neuroprotective, cognitive-enhancing, and anti-aging effects on neural tissue.

moderateNeuroprotection Against Oxidative Stress
Anti-Aging

Prostamax

Lys-Glu-Asp-Pro · KEDP

Prostamax (KEDP) is a synthetic tetrapeptide (Lys-Glu-Asp-Pro) from the Khavinson bioregulator program targeting prostate tissue. It is researched for prostate function restoration, reduction of age-related prostatic changes, and support of genitourinary health in aging men.

moderateProstate Function Restoration
💆Skin & HairAnti-Aging

Pal-GHK

Palmitoyl Tripeptide-1 · Palmitoyl-GHK

Pal-GHK (Palmitoyl Tripeptide-1) is a lipopeptide consisting of the GHK tripeptide conjugated to palmitic acid. The palmitoyl modification dramatically enhances skin penetration and cell membrane interaction, making it one of the most widely used peptides in anti-aging skincare for collagen stimulation and wrinkle reduction.

strongCollagen Synthesis Stimulation
🛡️Immune Support

PNC-27

p53-MDM2 Peptide · Anti-Cancer Peptide PNC-27

PNC-27 is a synthetic 32-amino acid peptide containing a p53-derived MDM2-binding domain fused to a membrane-penetrating sequence. It is researched for selective destruction of cancer cells by targeting the HDM2 (MDM2) protein that is aberrantly expressed on cancer cell surfaces, causing membrane lysis in cancer cells while leaving normal cells unharmed.

moderateSelective Cancer Cell Killing
muscle🩹Recovery & Healing

PEG-MGF

PEGylated MGF · Pegylated Mechano Growth Factor

PEG-MGF is a PEGylated version of Mechano Growth Factor (MGF) that extends the peptide's half-life for sustained muscle growth and recovery benefits. This modified growth factor promotes satellite cell activation and muscle fiber repair through enhanced stability and prolonged circulation.

strongSatellite Cell Activation
⚖️Weight Lossmetabolic

Pemvidutide

ALT-801

Pemvidutide is a dual GLP-1 and glucagon receptor agonist designed to promote weight loss and improve metabolic parameters through enhanced insulin sensitivity and appetite suppression.

strongSignificant Weight Loss
🩹Recovery & Healinghealing

Pentadecapeptide

PL 14736 · BPC Analog

Pentadecapeptide is a synthetic 15-amino acid peptide derived from body protection compound (BPC) sequences that promotes tissue healing and recovery. Research shows it accelerates wound healing, reduces inflammation, and supports gastric protection through angiogenic and cytoprotective mechanisms.

moderateAccelerated Wound Healing
🧠Cognitivenootropic

P21

BDNF Peptide · P021

P21 is a synthetic nootropic peptide derived from BDNF (Brain-Derived Neurotrophic Factor) that enhances synaptic plasticity and promotes neurogenesis. Research indicates P21 may improve memory formation, learning capacity, and overall cognitive function through AMPA receptor potentiation.

moderateEnhanced Memory Formation
🧠Cognitivenootropic

PE-22-28

Spadin Analog · PE22-28

PE-22-28 is a synthetic peptide analog of spadin that acts as a TREK-1 potassium channel blocker with potential antidepressant and cognitive enhancement properties. This hexapeptide demonstrates neuroprotective effects through modulation of neuronal excitability and synaptic plasticity.

moderateRapid Antidepressant Effects
bioregulatorpancreas

Panceagen

Pancreas Bioregulator

Panceagen is a pancreatic bioregulator peptide derived from bovine pancreatic tissue that supports pancreatic function and glucose metabolism through tissue-specific regulatory mechanisms.

moderatePancreatic Beta-Cell Support
📈Growth Hormoneantagonist

Pegvisomant

Somavert

Pegvisomant is a genetically engineered growth hormone receptor antagonist that blocks the action of growth hormone at the cellular level. This synthetic peptide analog contains multiple point mutations that enable it to bind to GH receptors without activating them, effectively reducing IGF-1 production.

strongIGF-1 Normalization
thyroiddiagnostic

Protirelin

TRH · Thyrotropin-releasing hormone

Protirelin is a synthetic form of thyrotropin-releasing hormone (TRH) that stimulates the release of thyroid-stimulating hormone from the anterior pituitary. This tripeptide hormone plays a central role in thyroid function regulation and serves as a diagnostic tool for evaluating thyroid and pituitary disorders.

strongThyroid Function Assessment
hormonalsomatostatin

Pasireotide

Signifor · SOM230

Pasireotide is a synthetic somatostatin analog that binds to multiple somatostatin receptor subtypes with high affinity, providing superior efficacy in suppressing hormone secretion compared to octreotide. This peptide demonstrates particular effectiveness in treating Cushing's disease and acromegaly through its potent inhibition of ACTH and growth hormone release.

strongACTH Suppression in Cushing's Disease
gut-healthIBS

Plecanatide

Trulance · SP-304

Plecanatide is a synthetic guanylate cyclase-C agonist peptide that mimics the action of endogenous uroguanylin to increase fluid secretion in the intestines. This FDA-approved peptide treats chronic idiopathic constipation and irritable bowel syndrome with constipation by activating cGMP signaling pathways in intestinal epithelial cells.

strongChronic Idiopathic Constipation Relief
metabolicdiabetes

Pramlintide

Symlin · Amylin Analog

Pramlintide is a synthetic analog of human amylin that regulates postprandial glucose by slowing gastric emptying and suppressing glucagon secretion. This peptide hormone mimics natural amylin function to improve glycemic control in diabetes research.

strongPostprandial Glucose Control

R

⚖️Weight Loss

Retatrutide

LY3437943 · GGG Triple Agonist

Retatrutide is an investigational triple hormone receptor agonist (GIP/GLP-1/glucagon) developed by Eli Lilly. In Phase II trials, it achieved up to 24.2% body weight reduction at 48 weeks; the highest weight loss reported for any single pharmacological agent in clinical trials.

moderateRecord-Breaking Weight Loss
Anti-Aginglongevity

Rapamycin Peptide

mTOR Modulator · Sirolimus

Rapamycin peptide is a potent mTOR pathway inhibitor originally developed as an immunosuppressant that has gained attention for its potential anti-aging and longevity benefits.

strongLifespan Extension
🛡️Immune Supportautoimmune

Ravulizumab

Ultomiris · ALXN1210

Ravulizumab is a long-acting humanized monoclonal antibody that inhibits terminal complement activation by blocking C5 cleavage. This complement inhibitor provides sustained protection against complement-mediated tissue damage with dosing every 8 weeks compared to every 2 weeks for eculizumab.

strongExtended Complement Inhibition
bone

Romosozumab

Evenity · AMG 785

Romosozumab is a monoclonal antibody that inhibits sclerostin, simultaneously stimulating bone formation while reducing bone resorption. This dual mechanism makes it a powerful therapeutic for treating severe osteoporosis in postmenopausal women.

strongRapid Vertebral Fracture Reduction
cardiovascularfibrosis

Relaxin-2

Serelaxin · RLX-2

Relaxin-2 is a peptide hormone that acts as a potent vasodilator and anti-fibrotic agent, primarily studied for heart failure and cardiovascular applications. This hormone binds to relaxin family peptide receptors (RXFP1 and RXFP3) to activate multiple signaling pathways that reduce vascular resistance and inhibit collagen deposition.

strongAcute Heart Failure Management

S

⚖️Weight Loss

Semaglutide

Ozempic · Wegovy

Semaglutide is a GLP-1 receptor agonist originally developed for type 2 diabetes management. It has gained widespread attention for its significant effects on weight loss, with clinical trials demonstrating average body weight reductions of 15-17%; making it one of the most effective pharmacological weight management agents studied.

strongSignificant Weight Loss
🧠Cognitive🛡️Immune Support

Selank

TP-7 · Selanc

Selank is a synthetic heptapeptide developed at the Institute of Molecular Genetics of the Russian Academy of Sciences. It is a modified analog of the naturally occurring immunomodulatory peptide tuftsin, designed with enhanced stability and pronounced anxiolytic and nootropic properties.

strongAnxiolytic Effects
🧠Cognitive

Semax

MEHFPGP · Semax 0.1%

Semax is a synthetic heptapeptide derived from the ACTH (adrenocorticotropic hormone) fragment 4-10. Developed in Russia as a neuroprotective and nootropic drug, it enhances cognitive function, memory, and attention through BDNF/NGF upregulation without hormonal side effects.

strongCognitive Enhancement & Memory
📈Growth HormoneAnti-Aging

Sermorelin

Sermorelin Acetate · GRF 1-29

Sermorelin is a synthetic analog of the first 29 amino acids of growth hormone releasing hormone (GHRH). As the smallest GHRH fragment retaining full biological activity, it stimulates natural GH production and has been FDA-approved for diagnosing and treating GH deficiency in children.

strongPhysiological GH Stimulation
Anti-Aging💪Performance

SS-31

Elamipretide · Bendavia

SS-31 (Elamipretide) is a mitochondria-targeted tetrapeptide that selectively concentrates in the inner mitochondrial membrane. It stabilizes cardiolipin, optimizes electron transport chain efficiency, and reduces mitochondrial ROS production. Developed for mitochondrial diseases and heart failure, it represents a new class of mitochondrial medicine.

strongMitochondrial ROS Reduction at Source
⚖️Weight Lossmetabolic

Survodutide

BI 456906

Survodutide is a dual GLP-1/glucagon receptor agonist developed by Boehringer Ingelheim that targets both metabolic pathways simultaneously for enhanced weight loss and glycemic control. This injectable peptide shows superior efficacy compared to single-receptor agonists in clinical trials for obesity and type 2 diabetes management.

strongSuperior Weight Loss
skinAnti-Aging

Snap-8

Acetyl Octapeptide-3 · Acetyl Glutamyl Heptapeptide-3

Snap-8 is a synthetic octapeptide that mimics the N-terminal end of SNAP-25, working to reduce muscle contractions that lead to expression lines and wrinkles. This topical peptide demonstrates enhanced anti-aging effects compared to its predecessor Argireline by targeting the SNARE complex more effectively.

strongExpression Line Reduction
skinAnti-Aging

Syn-Ake

Dipeptide Diaminobutyroyl Benzylamide Diacetate · Dipeptide Diaminobutyroyl

Syn-Ake is a synthetic tripeptide that mimics the mechanism of snake venom to reduce muscle contractions and smooth facial wrinkles. This topically applied peptide works by blocking neuromuscular transmission at the dermal-epidermal junction.

strongExpression Line Reduction
bioregulatorjoint

Sigumir

Cartilage Bioregulator

Sigumir is a synthetic bioregulator peptide designed to support cartilage health and joint function through targeted cellular regulation. This peptide bioregulator aims to optimize chondrocyte activity and extracellular matrix synthesis in cartilage tissue.

preliminaryCartilage Health Support
bioregulatorliver

Svetinorm

Liver Bioregulator

Svetinorm is a liver-specific bioregulator peptide derived from young calf liver tissue that supports hepatic function and cellular regeneration. This bioregulator contains short peptides that interact with liver cell DNA to optimize gene expression and metabolic processes.

moderateHepatic Detoxification Enhancement
📈Growth Hormone

Sermorelin GHRH Combo

Sermorelin + GHRP Stack · GH Secretagogue Stack

Sermorelin GHRH Combo combines growth hormone releasing hormone (GHRH) with growth hormone releasing peptides (GHRPs) to synergistically stimulate natural growth hormone production. This peptide stack amplifies GH release by targeting multiple pathways in the hypothalamic-pituitary axis.

strongEnhanced Growth Hormone Release
⚖️Weight Lossgenetic-obesity

Setmelanotide

Imcivree · RM-493

Setmelanotide is an FDA-approved melanocortin-4 receptor (MC4R) agonist specifically designed to treat rare genetic forms of obesity. This synthetic peptide targets specific genetic mutations that disrupt normal appetite regulation and energy balance.

strongSignificant Weight Loss in Genetic Obesity

T

🩹Recovery & Healing💪Performance

TB-500

Thymosin Beta-4 · Tβ4

TB-500 is a synthetic fraction of the naturally occurring thymosin beta-4 protein. It has been studied for its role in cell migration, blood vessel formation, and tissue repair, with particular interest in muscle, tendon, and cardiac tissue regeneration.

strongMuscle Repair & Recovery
📈Growth HormoneAnti-Aging

Tesamorelin

Egrifta · Egrifta SV

Tesamorelin is a synthetic GHRH analog with a trans-3-hexenoic acid modification that enhances stability. It is the only FDA-approved GHRH analog currently marketed, indicated for reducing excess abdominal fat (lipodystrophy) in HIV-infected patients.

strongVisceral Fat Reduction (FDA-Approved)
⚖️Weight Loss

Tirzepatide

Mounjaro · Zepbound

Tirzepatide is a first-in-class dual GIP/GLP-1 receptor agonist developed by Eli Lilly. FDA-approved as Mounjaro for type 2 diabetes and Zepbound for chronic weight management, it has demonstrated unusual weight loss of up to 22.5% in clinical trials.

strongSuperior Weight Loss
🛡️Immune Support

Thymosin Alpha-1

Tα1 · Ta1

Thymosin Alpha-1 is a naturally occurring 28-amino acid peptide originally isolated from thymic tissue. It is a potent immunomodulator approved in over 35 countries for treating hepatitis B, hepatitis C, and as an immune adjuvant. It enhances both innate and adaptive immunity without causing immune overstimulation.

strongChronic Hepatitis B Treatment
🛡️Immune SupportAnti-Aging

Thymalin

Thymic Factor · Thymulin

Thymalin is a synthetic thymic peptide that regulates immune system function by stimulating T-cell production and maturation. This bioregulator peptide mimics natural thymic hormones to support immune surveillance and cellular repair mechanisms.

strongEnhanced T-Cell Function
📈Growth Hormone

Tabimorelin

NN703 · Ipamorelin analog

Tabimorelin is a synthetic ghrelin receptor agonist that stimulates growth hormone release from the pituitary gland. This peptide was developed as a potential treatment for growth hormone deficiency and cachexia.

strongGrowth Hormone Stimulation
⚖️Weight Loss🧠Cognitive

Tesofensine

Tesofensine is a triple monoamine reuptake inhibitor that blocks the reuptake of dopamine, norepinephrine, and serotonin. Originally developed as an anti-obesity medication, it demonstrates significant weight loss effects and potential cognitive enhancement properties.

strongSignificant Weight Loss
hormonalPCT

Triptorelin

Decapeptyl · GnRH Agonist

Triptorelin is a synthetic GnRH agonist that initially stimulates then suppresses LH and FSH production, leading to decreased testosterone levels in males and estrogen suppression in females.

strongTestosterone Suppression
🩹Recovery & Healinghealing

Thymosin Beta-4 Fragment

TB4-Frag · Ac-SDKP

Thymosin Beta-4 Fragment is a tetrapeptide derived from the N-terminal sequence of Thymosin Beta-4, primarily studied for its anti-inflammatory and tissue repair properties.

strongAccelerated Wound Healing
🛡️Immune Support

Thymogen

EW Dipeptide · Glutamyl-tryptophan

Thymogen is a synthetic dipeptide (glutamyl-tryptophan) that enhances immune system function by modulating T-cell activity and supporting thymic hormone production. This peptide shows promise for immune deficiency states and age-related immune decline.

strongEnhanced T-Cell Function
bioregulatorreproductive

Testoluten

Testes Bioregulator · Testicular Peptide Complex

Testoluten is a bioregulator peptide complex derived from bovine testes that targets testicular tissue regeneration and hormonal optimization. This peptide complex works by delivering specific amino acid sequences that support Leydig cell function and testosterone production pathways.

moderateTestosterone Production Enhancement
🧠Cognitivethyroid

Taltirelin

TRH Analog · TA-0910

Taltirelin is a synthetic analog of thyrotropin-releasing hormone (TRH) that enhances cognitive function and may support thyroid regulation. This modified peptide demonstrates improved stability and bioavailability compared to natural TRH.

strongEnhanced Cognitive Function
gut-healthintestinal

Teduglutide

Gattex · ALX-0600

Teduglutide is a synthetic analog of glucagon-like peptide-2 (GLP-2) that promotes intestinal growth and repair by enhancing mucosal surface area and nutrient absorption. This peptide stimulates intestinal epithelial cell proliferation and reduces gastric acid secretion.

strongEnhanced Intestinal Absorption
bonehormonal

Teriparatide

Forteo · PTH 1-34

Teriparatide is a synthetic fragment of human parathyroid hormone (PTH 1-34) that stimulates bone formation by activating osteoblast activity. This FDA-approved peptide represents the first anabolic agent for osteoporosis treatment, directly promoting new bone tissue growth rather than simply preventing bone loss.

strongIncreased Bone Mineral Density

V

🛡️Immune Support🧠Cognitive

VIP

Vasoactive Intestinal Peptide · Vasoactive Intestinal Polypeptide

VIP (Vasoactive Intestinal Peptide) is a 28-amino acid endogenous neuropeptide with potent anti-inflammatory, immunomodulatory, neuroprotective, and vasodilatory properties. It is researched for CIRS (Chronic Inflammatory Response Syndrome), autoimmune conditions, and pulmonary hypertension.

moderateCIRS Treatment (Shoemaker Protocol)
🛡️Immune SupportAnti-Aging

Vilon

Lys-Glu · KE

Vilon (KE) is a synthetic dipeptide (Lys-Glu) from the Khavinson bioregulator program; the shortest of the bioregulatory peptides. It targets thymic and immune tissue, researched for immune system restoration, T-cell maturation support, and immunosenescence reversal in aging.

moderateT-Cell Maturation Enhancement
hormonal🧠Cognitive

Vasopressin

ADH · Antidiuretic Hormone

Vasopressin is a naturally occurring peptide hormone that regulates water retention, blood pressure, and social behavior through its actions on V1a, V1b, and V2 receptors.

strongWater Retention and Fluid Balance
bioregulatorurinary

Vesilute

Kidney Bioregulator · Renal Peptide Complex

Vesilute is a kidney-derived bioregulator peptide complex developed to support renal function and urinary system health through tissue-specific regulatory mechanisms.

preliminaryKidney Function Support
bioregulatorcardiovascular

Ventfort

Vessel Bioregulator · Vascular Peptide Bioregulator

Ventfort is a bioregulator peptide complex derived from vascular tissues that targets blood vessel function and cardiovascular health. This peptide bioregulator works by normalizing cellular activity in vascular smooth muscle and endothelial cells.

moderateBlood Pressure Support
bioregulatoreye-health

Visoluten

Eye Bioregulator · Retinal Bioregulator Peptide

Visoluten is a bioregulator peptide derived from retinal tissue that targets eye health and visual function. This specialized peptide contains short amino acid sequences that support retinal cell regeneration and may help maintain optimal vision.

moderateRetinal Protection and Regeneration

Z