Research Peptides Directory

Browse and compare research peptides. All peptides are evaluated based on quality, vendor reputation, and community feedback.

Showing 30 peptides

$4.60 – $7.20/mg
10 vendors

BPC-157 is a healing peptide associated with injury recovery and joint health. It is a synthetic peptide derived from a protein found in human gastric juice, known for its remarkable tissue repair properties. Research suggests it may accelerate healing of tendons, ligaments, muscles, and the gastrointestinal tract.

Injury RecoveryJoint HealthGut Health+1 more
$4.20 – $6.00/mg
6 vendors

TB-500 is a synthetic version of Thymosin Beta-4, a naturally occurring peptide present in almost all human and animal cells. It promotes actin regulation, angiogenesis, and cell migration to injury sites, accelerating tissue repair. Research supports its use in wound healing, muscle repair, and reducing inflammation.

Tissue RepairWound HealingMuscle Recovery+1 more
$4.20 – $6.40/mg
6 vendors

Ipamorelin is a selective growth hormone secretagogue and ghrelin receptor agonist that stimulates GH release with minimal side effects. Unlike other GHRPs, it does not significantly raise cortisol, prolactin, or ACTH, making it one of the cleanest GH-releasing peptides available. It supports muscle growth, fat loss, and improved sleep.

GH SecretionMuscle GrowthFat Loss+1 more
$0.75 – $1.20/mg
5 vendors

GHK-Cu (copper peptide) is a naturally occurring tripeptide complex found in human plasma that declines with age. It stimulates collagen and elastin production, promotes skin repair, and demonstrates anti-inflammatory properties. Research supports its use in wound healing, hair follicle stimulation, and anti-aging skin care.

Skin RepairCollagen SupportHair Growth+1 more
$2.40 – $3.50/mg
5 vendors

Epitalon is a synthetic tetrapeptide (Ala-Glu-Asp-Gly) developed by the St. Petersburg Institute of Bioregulation. It activates telomerase, the enzyme responsible for maintaining telomere length, and has shown lifespan-extending effects in animal studies. Research supports its use for anti-aging, circadian rhythm regulation, and antioxidant protection.

Telomerase ActivationAnti-AgingCircadian Regulation+1 more
$8.20 – $10.00/mg
4 vendors

CJC-1295 + Ipamorelin is a synergistic combination of a GHRH analog and a selective growth hormone secretagogue. CJC-1295 extends GH pulse duration while Ipamorelin amplifies GH release without raising cortisol or prolactin. The combination supports muscle growth, fat loss, sleep quality, and recovery.

Athletic PerformanceMuscle GrowthFat Loss+1 more
$5.00 – $7.00/mg
4 vendors

AOD-9604 is a modified fragment of human growth hormone (hGH 177-191) designed specifically for fat metabolism without the growth-promoting effects of full HGH. It stimulates lipolysis and inhibits lipogenesis through beta-3 adrenergic receptors. It has shown favorable safety profiles in clinical trials with no effect on blood glucose or IGF-1.

Fat LossMetabolic SupportLipolysis+1 more
$3.60 – $5.60/mg
4 vendors

Selank is a synthetic heptapeptide derived from the endogenous tetrapeptide tuftsin, developed by the Institute of Molecular Genetics in Russia. It acts as an anxiolytic and nootropic, modulating GABA-A receptors and serotonin systems without sedation or dependence. Research supports its use for anxiety reduction, cognitive enhancement, and stress resilience.

Anxiety ReductionCognitive EnhancementStress Resilience+1 more
$3.80 – $6.00/mg
4 vendors

Semax is a synthetic peptide based on the ACTH 4-7 sequence, developed in Russia for neurological conditions. It upregulates BDNF expression, modulates dopamine and serotonin systems, and provides neuroprotective effects. Research supports its use for cognitive enhancement, focus, memory consolidation, and neurological recovery.

NeuroprotectionCognitive EnhancementFocus & Attention+1 more
$10.00 – $12.00/mg
3 vendors

Tirzepatide is a dual-agonist peptide that activates both GLP-1 and GIP receptors, producing significant weight loss and glycemic control. Marketed as Mounjaro for type 2 diabetes and Zepbound for weight management, it has shown up to 20% body weight reduction in clinical studies. It improves insulin sensitivity and reduces cardiovascular risk factors.

Weight LossType 2 Diabetes ManagementInsulin Sensitivity+1 more
$6.80 – $8.00/mg
3 vendors

MOTS-c is a mitochondria-derived peptide encoded within the 12S rRNA gene of the mitochondrial genome. It plays a key role in metabolic regulation, energy homeostasis, and stress response. Research shows it activates AMPK pathways, supporting weight management, exercise performance, and healthy aging.

Metabolic SupportEnergy OptimizationWeight Management+1 more
$8.00 – $10.00/mg
3 vendors

Tesamorelin is a synthetic analog of growth hormone-releasing hormone (GHRH) that stimulates GH and IGF-1 production. It is FDA-approved for HIV-associated lipodystrophy and has been studied for visceral fat reduction, cognitive enhancement, and body composition improvements. It provides a physiological approach to GH optimization.

GH/IGF-1 SupportVisceral Fat ReductionBody Composition+1 more
KPV
$0.85 – $1.10/mg
3 vendors

KPV is a tripeptide (Lysine-Proline-Valine) derived from the C-terminal end of alpha-MSH with potent anti-inflammatory properties. It inhibits NF-kB signaling and reduces pro-inflammatory cytokines, making it effective for skin conditions, gut inflammation, and wound repair. It is studied for inflammatory bowel disease, psoriasis, and dermatitis.

Anti-InflammatorySkin RepairGut Health+1 more
$5.80 – $7.60/mg
3 vendors

PT-141 (Bremelanotide) is a melanocortin receptor agonist that acts centrally in the brain to enhance sexual desire and arousal in both men and women. Unlike PDE5 inhibitors, it works through the nervous system rather than the vascular system. It is FDA-approved as Vyleesi for hypoactive sexual desire disorder in premenopausal women.

Sexual Desire EnhancementErectile DysfunctionArousal+1 more
$8.80 – $11.00/mg
3 vendors

Thymosin Alpha-1 is an endogenous peptide derived from prothymosin alpha that plays a critical role in T-cell maturation and immune regulation. It enhances the activity of NK cells, dendritic cells, and T-helper cells while reducing inflammatory cytokines. It is used clinically in several countries for hepatitis B and C, and is studied for cancer immunotherapy and autoimmune conditions.

Immune ModulationT-Cell SupportAntiviral Activity+1 more
$10.00 – $12.00/mg
2 vendors

Retatrutide is a next-generation triple-agonist peptide targeting GIP, GLP-1, and glucagon receptors simultaneously. Clinical trials have demonstrated exceptional weight loss results, with participants losing up to 24% of body weight. It represents a significant advancement over dual-agonist approaches in metabolic management.

Weight LossMetabolic HealthBlood Sugar Regulation+1 more
$4.40 – $5.50/mg
2 vendors

SS-31 (also known as Elamipretide) is a mitochondria-targeting peptide that localizes to the inner mitochondrial membrane and protects cardiolipin. It reduces mitochondrial ROS production and restores ATP synthesis, supporting cellular energy levels and protecting against age-related mitochondrial decline. Research shows benefits in heart failure, kidney disease, and metabolic conditions.

Mitochondrial SupportCellular EnergyCardioprotection+1 more
$5.40 – $6.50/mg
2 vendors

Wolverine is a popular research blend combining BPC-157 and TB-500 for synergistic injury recovery and tissue repair. BPC-157 targets local healing while TB-500 promotes systemic repair and new blood vessel formation. The combination is widely researched for accelerating recovery from soft tissue injuries, tendon damage, and surgical healing.

Injury RecoveryTendon RepairSoft Tissue Healing+1 more
$3.60 – $4.50/mg
2 vendors

Melanotan II is a synthetic analog of alpha-MSH that activates melanocortin receptors to stimulate melanin production, resulting in skin darkening without UV exposure. It also activates MC4R receptors, which influences appetite and sexual function. Research has explored its use for tanning, skin protection, and sexual dysfunction.

Skin TanningSun ProtectionMelanin Stimulation+1 more
DSIP
$3.80 – $5.00/mg
2 vendors

DSIP (Delta Sleep-Inducing Peptide) is a neuropeptide that naturally occurs in the brain and promotes delta-wave sleep. It modulates sleep architecture, reduces nocturnal cortisol secretion, and demonstrates stress-protective properties. Research suggests benefits for sleep quality, circadian rhythm disorders, pain management, and stress resilience.

Sleep QualityDelta Wave SleepStress Reduction+1 more
KLOW
$6.50 – $7.50/mg
1 vendors

KLOW is a proprietary multi-peptide blend combining GHK-Cu, BPC-157, and TB-500 for synergistic skin rejuvenation and repair. The combination addresses multiple pathways simultaneously — collagen synthesis, tissue healing, and cellular regeneration. It is designed for comprehensive skin health support and anti-aging benefits.

Skin RejuvenationAnti-AgingTissue Repair+1 more
NAD+
$0.36 – $0.45/mg
1 vendors

NAD+ (Nicotinamide Adenine Dinucleotide) is a critical coenzyme involved in hundreds of metabolic processes and energy production. It declines significantly with age, contributing to fatigue, cognitive decline, and metabolic dysfunction. Supplementation supports mitochondrial function, DNA repair, sirtuin activation, and healthy aging pathways.

Cellular EnergyHealthy AgingDNA Repair+1 more
$0.43 – $0.50/mg
1 vendors

5-Amino-1MQ is a small molecule NNMT (nicotinamide N-methyltransferase) inhibitor that supports weight loss and metabolic health. By blocking NNMT, it raises intracellular NAD+ levels and activates AMPK pathways, promoting fat cell shrinkage without stimulant effects. It shows promise for obesity, metabolic syndrome, and body recomposition.

Fat LossNAD+ SupportMetabolic Health+1 more
$72.50 – $80.00/mg
1 vendors

Follistatin 344 is an isoform of follistatin, a naturally occurring glycoprotein that binds and inhibits myostatin and activin. By blocking myostatin, it removes a key brake on muscle growth, potentially allowing for significant increases in muscle mass. Research in animals has shown dramatic muscle hypertrophy with follistatin overexpression.

Myostatin InhibitionMuscle GrowthStrength Enhancement+1 more
$2.40 – $2.75/mg
1 vendors

Cardiogen is a bioregulatory tetrapeptide (Ala-Glu-Asp-Arg) derived from heart tissue, developed by the St. Petersburg Institute of Bioregulation. It promotes cardiomyocyte regeneration and protects cardiac tissue from age-related decline. Research shows it supports heart function, reduces oxidative damage in cardiac cells, and may benefit recovery after cardiac events.

Heart Tissue SupportCardiomyocyte RegenerationCardiac Protection+1 more
$2.20 – $2.50/mg
1 vendors

Cartalax is a bioregulatory tripeptide (Ala-Glu-Asp) from the St. Petersburg Institute that targets cartilage and connective tissue. It stimulates chondrocyte proliferation and collagen synthesis, supporting joint health and cartilage repair. Research indicates benefits for osteoarthritis, joint degradation, and age-related cartilage loss.

Cartilage SupportJoint HealthChondrocyte Regeneration+1 more
$17.00 – $20.00/mg
1 vendors

Exendin-4 is a naturally occurring GLP-1 receptor agonist isolated from the venom of the Gila monster lizard, and the basis for the drug Exenatide (Byetta). It stimulates insulin secretion, suppresses glucagon, slows gastric emptying, and reduces appetite. It demonstrates more potent and longer-lasting GLP-1 receptor activation than endogenous GLP-1.

Blood Sugar ControlWeight LossAppetite Suppression+1 more
$13.00 – $15.00/mg
1 vendors

Cagrilintide is a long-acting amylin analog designed for once-weekly subcutaneous dosing. It activates amylin receptors in the brainstem to reduce appetite, slow gastric emptying, and promote satiety. When combined with semaglutide (as CagriSema), clinical trials have shown up to 22.7% weight loss, making it a leading next-generation obesity treatment.

Weight LossAppetite SuppressionSatiety Enhancement+1 more
BDNF
$360.00 – $450.00/mg
1 vendors

BDNF (Brain-Derived Neurotrophic Factor) is a key neurotrophin that supports the survival, growth, and differentiation of neurons. It plays a critical role in learning, memory formation, and synaptic plasticity. Research links BDNF levels to depression, anxiety, cognitive decline, and neurodegenerative diseases, making it a significant target for brain health optimization.

NeuroprotectionMemory EnhancementNeuroplasticity+1 more
$8.00 – $9.00/mg
1 vendors

ARA-290 is a non-hematopoietic erythropoietin analog engineered to activate only the tissue-protective receptor (innate repair receptor) without stimulating red blood cell production. It provides potent cytoprotective, anti-inflammatory, and neuroprotective effects. Research shows benefits for neuropathic pain, sarcoidosis, retinal protection, and metabolic disorders.

CytoprotectionNeuropathic PainAnti-Inflammatory+1 more