Peptide Science
Research Library
Evidence-based monographs for every compound in our catalog. Each page covers mechanisms of action, published research with PubMed citations, safety profiles, and handling protocols — written for researchers, by researchers.
BPC-157
Body Protection Compound-157
Gastrointestinal ProtectionTendon & Ligament RepairMuscle Injury Recovery
5 citations · 4 mechanisms
Semaglutide
Semaglutide (GLP-1 Receptor Agonist)
Obesity & Weight ManagementType 2 DiabetesCardiovascular Outcomes
4 citations · 3 mechanisms
Retatrutide
Retatrutide (LY3437943) — Triple Incretin Receptor Agonist
ObesityType 2 DiabetesNAFLD/Metabolic Liver Disease
2 citations · 3 mechanisms
TB-500
TB-500 (Thymosin Beta-4 Fragment)
Cardiac RepairDermal Wound HealingMusculoskeletal Repair
5 citations · 4 mechanisms
GHK-Cu
GHK-Cu (Copper Peptide)
Skin Aging & RegenerationWound HealingHair Growth
4 citations · 4 mechanisms
MOTS-c
MOTS-c (Mitochondrial Open Reading Frame of the 12S rRNA-c)
Metabolic Regulation & Insulin SensitivityExercise Physiology & PerformanceAging & Longevity
4 citations · 3 mechanisms
PT-141
PT-141 (Bremelanotide)
Female Sexual Dysfunction (HSDD)Male Erectile DysfunctionMelanocortin Neuroscience
4 citations · 3 mechanisms
Epitalon
Epitalon (Epithalamin Tetrapeptide)
Telomere Biology & Cellular AgingLifespan ExtensionCircadian Rhythm & Sleep
4 citations · 3 mechanisms
Thymosin Alpha-1
Thymosin Alpha-1 (Tα1)
Hepatitis B & CVaccine Adjuvant & ImmunopotentiationOncology Immunotherapy
5 citations · 3 mechanisms
AOD-9604
AOD-9604 (Anti-Obesity Drug 9604)
Obesity & Fat MetabolismOsteoarthritis & Cartilage RepairGrowth Hormone Dissociation
3 citations · 3 mechanisms
Selank
Selank (TP-7 / Selanc)
Anxiety & StressCognitive EnhancementImmunomodulation
4 citations · 4 mechanisms
Kisspeptin
Kisspeptin (Kisspeptin-10 / Metastin Fragment)
Reproductive EndocrinologyMale Hypogonadism & TestosteroneSexual Arousal & Brain Activation
4 citations · 3 mechanisms
SS-31
SS-31 (Elamipretide / Bendavia / MTP-131)
Cardiac Ischemia-Reperfusion InjuryBarth Syndrome (TAFAZZIN Deficiency)Age-Related Mitochondrial Dysfunction
5 citations · 4 mechanisms
5-Amino-1MQ
5-Amino-1-Methylquinolinium
Adipocyte Metabolism & ObesityNAD+ Biology & AgingCancer Metabolism
4 citations · 3 mechanisms
CJC-1295 (No DAC)
CJC-1295 without Drug Affinity Complex (Modified GRF 1-29)
Growth Hormone Secretion PhysiologyBody CompositionSleep Architecture & GH Secretion
3 citations · 3 mechanisms
Ipamorelin
Ipamorelin (Growth Hormone Secretagogue)
Growth Hormone SecretionBone MetabolismPost-Operative Gastrointestinal Recovery
4 citations · 3 mechanisms
GHRP-6
Growth Hormone Releasing Peptide-6
Growth Hormone PhysiologyCardioprotectionHepatic Fibrosis & Cytoprotection
4 citations · 4 mechanisms
DSIP
Delta Sleep-Inducing Peptide
Sleep Architecture & InsomniaStress Response & Cortisol RegulationAnalgesic Properties
4 citations · 3 mechanisms
FOXO4-DRI
FOXO4-D-Retro-Inverso Peptide
Cellular Senescence ClearanceAging & Healthspan in MiceChemotherapy-Induced Senescence
3 citations · 3 mechanisms
Glutathione
L-Glutathione (Reduced Form, GSH)
Oxidative Stress & Redox BiologyHepatoprotection & DetoxificationImmune Function
4 citations · 4 mechanisms
KPV
KPV (Lys-Pro-Val) — alpha-MSH C-Terminal Tripeptide
Inflammatory Bowel Disease ModelsCutaneous InflammationImmune Cell Modulation
4 citations · 3 mechanisms
LL-37
LL-37 (Human Cathelicidin Antimicrobial Peptide)
Antimicrobial DefenseBiofilm InfectionsInnate Immune Regulation
5 citations · 4 mechanisms
Melanotan I
Melanotan I (Afamelanotide / NDP-α-MSH)
Photoprotection & UV-Related Skin DamageErythropoietic Protoporphyria (EPP)DNA Repair & Melanoma Prevention
5 citations · 4 mechanisms
NAD+
Nicotinamide Adenine Dinucleotide (Oxidized Form)
Aging & LongevityMitochondrial Function & Energy MetabolismNeurodegeneration & Cognitive Decline
4 citations · 4 mechanisms
Oxytocin
Oxytocin (OXT)
Social Cognition & BondingAnxiety & Stress ResponseAutism Spectrum Disorder (ASD)
5 citations · 3 mechanisms
PE-22-28
PE-22-28 (PACAP(22-28) Analog)
Cognitive Enhancement & MemoryNeuroprotectionAdult Neurogenesis
4 citations · 3 mechanisms
Pinealon
Pinealon (Glu-Asp-Arg)
Neuroprotection & NeurodegenerationCognitive Function in AgingPeptide-DNA Interaction (Bioregulation)
3 citations · 3 mechanisms
VIP
Vasoactive Intestinal Peptide
Chronic Inflammatory Respiratory Syndrome (CIRS)Pulmonary Arterial HypertensionAutoimmune & Inflammatory Diseases
4 citations · 4 mechanisms
Sermorelin
Sermorelin Acetate (GRF 1-29 NH₂)
Age-Related GH Decline (Somatopause)Pediatric Growth Hormone DeficiencyBody Composition & Metabolism
5 citations · 3 mechanisms
Tesamorelin
Tesamorelin Acetate (trans-3-hexenoic acid-GHRH(1-44)NH₂)
HIV-Associated LipodystrophyNon-Alcoholic Fatty Liver Disease (NAFLD/NASH)Cognitive Function in Aging
4 citations · 3 mechanisms
Cagrilintide
Cagrilintide (NN9838 / Long-Acting Amylin Analog)
Obesity & Weight ManagementCombination Therapy with Semaglutide (CagriSema)Type 2 Diabetes
4 citations · 3 mechanisms
Mazdutide
Mazdutide (IBI362 / LY3305677 / GLP-1/Glucagon Dual Agonist)
Obesity & Weight ManagementType 2 DiabetesHepatic Steatosis / NAFLD
4 citations · 3 mechanisms
Tesofensine
Tesofensine (NS2330)
Obesity & Weight ManagementAppetite Suppression & SatietyMetabolic Rate Enhancement
4 citations · 4 mechanisms
Humanin
Humanin (HN) — Mitochondrial-Derived Peptide
Neuroprotection & Alzheimer's DiseaseMetabolic Regulation & Insulin SensitivityCardiovascular Protection
5 citations · 4 mechanisms
NMN
Nicotinamide Mononucleotide (NMN)
Age-Related NAD+ DeclineMetabolic Health & Insulin SensitivityVascular Function & Cardiovascular Health
5 citations · 4 mechanisms
Thymalin
Thymalin (Thymic Peptide Bioregulator)
Immunosenescence & AgingThymic InvolutionInfection Susceptibility in Elderly
4 citations · 3 mechanisms
Setmelanotide
Setmelanotide (MC4R Agonist)
Genetic Obesity (POMC/PCSK1/LEPR Deficiency)Bardet-Biedl Syndrome (BBS)Hypothalamic Obesity
4 citations · 3 mechanisms
Spermidine
Spermidine (Polyamine Autophagy Inducer)
Lifespan Extension & AgingCardiovascular HealthCognitive Function & Neurodegeneration
5 citations · 4 mechanisms
Semax
Semax (Synthetic ACTH(4-10) Analog)
Cognitive Enhancement & Nootropic EffectsIschemic Stroke & NeuroprotectionOptic Nerve Neuropathy
4 citations · 4 mechanisms
Testagen
Testagen (Tetrapeptide Bioregulator)
Age-Related Hormonal DeclineReproductive Function SupportPeptide-DNA Interaction & Bioregulation
3 citations · 3 mechanisms
ARA-290
ARA-290 (Cibinetide / EPO-Derived Tissue-Protective Peptide)
Diabetic Neuropathy & Small Fiber NeuropathySarcoidosis-Associated NeuropathyMetabolic Syndrome & Insulin Sensitivity
4 citations · 4 mechanisms
GLP-3-R
GLP-3-R (Glucagon-Like Peptide Analog — Triple Receptor Agonist)
Obesity & Weight ManagementType 2 Diabetes & Glycemic ControlNon-Alcoholic Steatohepatitis (NASH/MASH)
4 citations · 4 mechanisms