Growth Hormone, Muscle & Performance
ACE-031
A myostatin inhibitor studied for muscle-wasting conditions and muscular dystrophy.
Peptide Therapy Guide
Explore educational information about listed peptide therapies. This content is not medical advice.
A reading room, not a recommendation engine
Start with context
Peptide terminology can be dense and the evidence can vary by substance and use. Use these entries to orient your research, then take your questions to a qualified healthcare professional.
Browse entries
152 entries currently available in the directory.
Cognitive, Mood & Sleep
ACTH Fragments
Fragments of adrenocorticotropic hormone with cognitive and neuroprotective effects.
Longevity, Anti-Aging & Mitochondrial
AMPK-Activating Peptides
Peptides that activate the cellular energy sensor AMPK for metabolic and longevity benefits.
Growth Hormone, Muscle & Performance
ANP
Atrial Natriuretic Peptide, studied for its role in fat metabolism and cardiovascular function.
Metabolic, Weight Loss & GLP-1
AOD-9604
A modified fragment of human growth hormone studied for fat metabolism and body composition.
Healing, Repair & Regenerative
ARA-290
An erythropoietin-derived peptide studied for tissue protection and neuropathic pain relief.
Healing, Repair & Regenerative
Ac-SDKP
A tetrapeptide that inhibits fibrosis and promotes cardiac and renal tissue repair.
Immune, Inflammation & Autoimmune
Alpha-MSH Analogs
Peptides based on alpha-melanocyte stimulating hormone with anti-inflammatory effects.
Metabolic, Weight Loss & GLP-1
Amylin
A hormone co-secreted with insulin that helps regulate glucose levels and promotes satiety.
Sexual Health & Hormonal Regulation
Androgen-Support Peptides
Peptides that support natural testosterone production and androgen function.
Healing, Repair & Regenerative
Angiogenic Peptides
Peptides that promote new blood vessel formation for improved tissue healing.
Cognitive, Mood & Sleep
Anti-Anxiety Peptides
Peptides with anxiolytic properties for calming the nervous system.
Immune, Inflammation & Autoimmune
Anti-Cytokine Peptides
Peptides designed to reduce pro-inflammatory cytokine activity.
Healing, Repair & Regenerative
Anti-Fibrotic Peptides
Peptides that prevent excessive scar tissue formation and fibrosis.
Healing, Repair & Regenerative
Anti-Inflammatory Repair Peptides
Peptides that reduce inflammation while promoting tissue regeneration.
Longevity, Anti-Aging & Mitochondrial
Anti-Oxidative Stress Peptides
Peptides that protect cells from oxidative damage and support healthy aging.
Healing, Repair & Regenerative
Anti-Scar Peptides
Peptides designed to minimize scarring and improve wound healing outcomes.
Dermatology, Hair & Cosmetic
Argireline (Acetyl Hexapeptide-8)
A muscle-relaxing peptide that reduces the appearance of expression lines and wrinkles.
Immune, Inflammation & Autoimmune
Autoimmune-Modulating Peptides
Peptides that help regulate overactive immune responses in autoimmune conditions.
Longevity, Anti-Aging & Mitochondrial
Autophagy-Inducing Peptides
Peptides that promote cellular recycling and cleanup through autophagy pathways.
Cognitive, Mood & Sleep
BDNF Mimetic Peptides
Peptides that mimic brain-derived neurotrophic factor for neural plasticity and mood support.
Growth Hormone, Muscle & Performance
BDNF-Mimetic Performance Peptides
Peptides that mimic brain-derived neurotrophic factor for cognitive and physical performance.
Tissue Repair
BPC-157
BPC-157 is an experimental peptide. Learn what limited human research can tell us, FDA safety concerns, and why claimed benefits remain uncertain.
Healing, Repair & Regenerative
Bone-Healing Peptides
Peptides that accelerate bone fracture healing and osteointegration.
Sexual Health & Hormonal Regulation
Bremelanotide (PT-141)
An FDA-approved melanocortin agonist for hypoactive sexual desire disorder in women.
Anti-Aging
CJC-1295
CJC-1295 has limited clinical safety data. FDA reports potential immunogenicity and serious adverse events associated with its use.
Growth Hormone, Muscle & Performance
CJC-1295 (DAC)
A growth hormone-releasing hormone analog with Drug Affinity Complex for extended half-life and sustained GH elevation.
Growth Hormone, Muscle & Performance
CJC-1295 (No DAC)
A GHRH analog without DAC providing more pulsatile growth hormone release patterns.
Metabolic, Weight Loss & GLP-1
Cagrilintide
A long-acting amylin analog being studied in combination with semaglutide for enhanced weight management.
Healing, Repair & Regenerative
Cartilage Repair Peptides
Specialized peptides designed to promote cartilage regeneration and joint health.
Longevity, Anti-Aging & Mitochondrial
Cellular Resilience Peptides
Peptides that enhance cellular stress resistance and adaptive capacity.
Cognitive, Mood & Sleep
Cerebrolysin Peptide Fractions
A mixture of neurotrophic peptides used for cognitive enhancement and neurological recovery.
Cognitive, Mood & Sleep
Circadian Rhythm Peptides
Peptides that help regulate sleep-wake cycles and biological rhythms.
Dermatology, Hair & Cosmetic
Collagen-Boosting Cosmetic Peptides
Topical peptides that enhance collagen synthesis for youthful skin appearance.
Healing, Repair & Regenerative
Collagen-Stimulating Peptides
Peptides that boost collagen production for skin, joint, and connective tissue health.
Dermatology, Hair & Cosmetic
Copper Tripeptides
A family of peptides containing copper for skin repair, wound healing, and anti-aging.
Longevity, Anti-Aging & Mitochondrial
DNA-Repair Signaling Peptides
Peptides that enhance cellular DNA repair mechanisms for genomic stability.
Cognitive, Mood & Sleep
DSIP
Delta Sleep-Inducing Peptide, a natural peptide that promotes deep, restorative sleep.
Cognitive, Mood & Sleep
Dihexa
A powerful cognitive-enhancing peptide derived from angiotensin IV that promotes synaptogenesis.
Metabolic, Weight Loss & GLP-1
Dulaglutide
A once-weekly GLP-1 receptor agonist for type 2 diabetes management and cardiovascular risk reduction.
Healing, Repair & Regenerative
EGF-Derived Peptides
Epidermal growth factor-derived peptides for skin regeneration and wound healing.
Longevity, Anti-Aging & Mitochondrial
Elamipretide (SS-31)
A mitochondria-targeting peptide that improves cellular energy production and reduces oxidative stress.
Longevity, Anti-Aging & Mitochondrial
Epitalon
A tetrapeptide that may activate telomerase and promote cellular longevity.
Sexual Health & Hormonal Regulation
Erectile-Function Peptides
Peptides designed to improve erectile function through various mechanisms.
Growth Hormone, Muscle & Performance
Erythropoietin-Derived Peptides
Peptides derived from EPO for tissue protection and athletic performance without hematological effects.
Metabolic, Weight Loss & GLP-1
Exenatide
The first GLP-1 receptor agonist, derived from Gila monster venom.
Growth Hormone, Muscle & Performance
Exercise-Mimetic Peptides
Peptides that activate exercise-related pathways without physical activity.
Longevity, Anti-Aging & Mitochondrial
FOXO4-DRI
A peptide that selectively induces apoptosis in senescent cells for rejuvenation.
Sexual Health & Hormonal Regulation
FSH-Stimulating Peptides
Peptides that enhance follicle-stimulating hormone for fertility support.
Cognitive, Mood & Sleep
Focus-Enhancing Peptides
Peptides that enhance attention, concentration, and mental clarity.
Growth Hormone, Muscle & Performance
Follistatin-315
A naturally occurring follistatin isoform with myostatin-inhibiting properties for muscle development.
Growth Hormone, Muscle & Performance
Follistatin-344
A protein that inhibits myostatin and activin, potentially enhancing muscle growth and strength.
Healing, Repair & Regenerative
GHK-Cu
A copper peptide with powerful regenerative properties for skin, hair, and connective tissue.
Dermatology, Hair & Cosmetic
GHK-Cu (Dermal Use)
A copper tripeptide with powerful anti-aging, wound healing, and skin rejuvenation properties.
Growth Hormone, Muscle & Performance
GHRP-2
A potent growth hormone-releasing peptide that also stimulates appetite and cortisol release.
Growth Hormone, Muscle & Performance
GHRP-6
A growth hormone-releasing peptide known for strong GH release and significant appetite stimulation.
Metabolic, Weight Loss & GLP-1
GIP Analog
Glucose-dependent insulinotropic polypeptide analogs that enhance insulin secretion and may aid weight management.
Metabolic, Weight Loss & GLP-1
GLP-1 (native)
The natural incretin hormone that stimulates insulin secretion and reduces appetite after meals.
Metabolic, Weight Loss & GLP-1
GLP-1/GIP Dual Agonist
Peptides targeting both GLP-1 and GIP receptors for synergistic metabolic benefits.
Metabolic, Weight Loss & GLP-1
GLP-1/GIP/Glucagon Triple Agonist
Next-generation peptides targeting three receptors for maximum weight loss and metabolic improvement.
Growth Hormone, Muscle & Performance
Ghrelin
The hunger hormone that stimulates appetite and growth hormone release from the pituitary.
Growth Hormone, Muscle & Performance
Ghrelin Analogs
Synthetic versions of ghrelin designed for specific therapeutic applications.
Metabolic, Weight Loss & GLP-1
Glucagon
A pancreatic hormone that raises blood glucose and is being studied in combination therapies for weight loss.
Sexual Health & Hormonal Regulation
GnRH Analogs
Gonadotropin-releasing hormone analogs for hormonal regulation and fertility.
Sexual Health & Hormonal Regulation
Gonadorelin
A GnRH analog used to stimulate natural testosterone and fertility hormone production.
Growth Hormone, Muscle & Performance
Growth Hormone
The primary hormone regulating growth, metabolism, and body composition throughout life.
Immune, Inflammation & Autoimmune
Gut-Immune Axis Peptides
Peptides targeting the connection between gut health and immune function.
Healing, Repair & Regenerative
Gut-Repair Peptides
Peptides specifically designed for intestinal healing and gut barrier function.
Metabolic, Weight Loss & GLP-1
HGH Fragment 176-191
A synthetic peptide derived from growth hormone that targets fat metabolism without affecting blood sugar.
Dermatology, Hair & Cosmetic
Hair Follicle Growth Peptides
Peptides that stimulate hair follicle activity and promote hair regrowth.
Growth Hormone, Muscle & Performance
Hexarelin
A powerful synthetic GHRP with cardioprotective properties beyond growth hormone stimulation.
Sexual Health & Hormonal Regulation
Hormonal Axis-Regulating Peptides
Peptides that balance the hypothalamic-pituitary-gonadal axis.
Longevity, Anti-Aging & Mitochondrial
Humanin
A mitochondrial-derived peptide with cytoprotective effects against age-related diseases.
Growth Hormone, Muscle & Performance
IGF-1
Insulin-like Growth Factor 1, a key hormone mediating many of growth hormone's anabolic effects.
Growth Hormone, Muscle & Performance
IGF-1 DES
A truncated IGF-1 variant with increased potency and localized effects at injection sites.
Growth Hormone, Muscle & Performance
IGF-1 LR3
A long-acting IGF-1 variant with extended half-life and enhanced potency for muscle growth.
Immune, Inflammation & Autoimmune
Immune-Resilience Peptides
Peptides that strengthen overall immune function and resistance to illness.
Immune, Inflammation & Autoimmune
Inflammation-Resolution Peptides
Peptides that actively promote the resolution of inflammation.
Immune, Inflammation & Autoimmune
Interleukin-Derived Peptides
Peptides based on interleukins for immune modulation and inflammation control.
Anti-Aging
Ipamorelin
Ipamorelin safety evidence is limited and route-specific. FDA identifies potential immunogenicity and insufficient information for some injection routes.
Healing, Repair & Regenerative
KPV
A tripeptide derived from alpha-MSH with potent anti-inflammatory and antimicrobial properties.
Immune, Inflammation & Autoimmune
KPV (Immune Use)
A tripeptide with potent anti-inflammatory effects for autoimmune and inflammatory conditions.
Sexual Health & Hormonal Regulation
Kisspeptin-10
A peptide that stimulates GnRH release for reproductive hormone regulation.
Sexual Health & Hormonal Regulation
Kisspeptin-54
The full-length kisspeptin with potent effects on the hypothalamic-pituitary-gonadal axis.
Sexual Health & Hormonal Regulation
LH-Stimulating Peptides
Peptides that increase luteinizing hormone for testosterone and ovulation support.
Healing, Repair & Regenerative
LL-37
An antimicrobial peptide with wound healing, immune modulation, and anti-biofilm properties.
Immune, Inflammation & Autoimmune
LL-37 (Immune Modulation)
An antimicrobial peptide that modulates immune responses and promotes healing.
Metabolic, Weight Loss & GLP-1
Leptin
The satiety hormone that regulates energy balance and appetite through hypothalamic signaling.
Sexual Health & Hormonal Regulation
Libido-Enhancing Peptides
Peptides that work on the nervous system to enhance sexual desire.
Metabolic, Weight Loss & GLP-1
Liraglutide
A GLP-1 receptor agonist approved for weight management and diabetes.
Metabolic, Weight Loss & GLP-1
MOTS-c
A mitochondrial-derived peptide that regulates metabolic homeostasis and may mimic exercise benefits.
Dermatology, Hair & Cosmetic
Matrixyl (Palmitoyl Pentapeptide-4)
A collagen-boosting peptide widely used in anti-aging skincare products.
Metabolic, Weight Loss & GLP-1
Mazdutide
A dual GLP-1/glucagon receptor agonist in development for obesity and fatty liver disease treatment.
Growth Hormone, Muscle & Performance
Mechano Growth Factor (MGF)
An IGF-1 splice variant released by muscle tissue in response to mechanical stress and exercise.
Cognitive, Mood & Sleep
Melanocortin Peptides
Peptides acting on melanocortin receptors for mood, cognition, and behavior modulation.
Immune, Inflammation & Autoimmune
Melanotan-1
A melanocortin peptide developed for photoprotection and studied for immune effects.
Sexual Health & Hormonal Regulation
Melanotan-2
A melanocortin peptide that increases skin pigmentation and may enhance libido.
Cognitive, Mood & Sleep
Memory-Enhancing Peptides
Peptides designed to improve memory formation, consolidation, and recall.
Sexual Health & Hormonal Regulation
Menopause-Support Peptides
Peptides designed to support women through menopausal transitions.
Longevity, Anti-Aging & Mitochondrial
Mitochondrial Targeting Peptides
Peptides designed to deliver compounds specifically to mitochondria for enhanced cellular function.
Growth Hormone, Muscle & Performance
Modified GRF 1-29
A modified version of the first 29 amino acids of GHRH for enhanced stability and effectiveness.
Growth Hormone, Muscle & Performance
Myostatin-Inhibiting Peptides
Peptides designed to block myostatin signaling and promote muscle growth.
Longevity, Anti-Aging & Mitochondrial
NAD+ Signaling Peptides
Peptides that influence NAD+ metabolism for improved cellular energy and repair.
Cognitive, Mood & Sleep
NGF Mimetic Peptides
Peptides based on nerve growth factor for neuronal health and cognitive function.
Healing, Repair & Regenerative
Nerve Regeneration Peptides
Peptides that promote peripheral nerve repair and regeneration.
Cognitive, Mood & Sleep
Neuroprotective Peptides
Peptides that protect neurons from damage and support brain health.
Cognitive, Mood & Sleep
Neurotensin
A neuropeptide involved in dopamine signaling, pain modulation, and thermoregulation.
Cognitive, Mood & Sleep
Noopept
A peptide-derived nootropic compound that enhances memory, learning, and neuroprotection.
Metabolic, Weight Loss & GLP-1
Oxyntomodulin
A naturally occurring gut hormone that reduces appetite and increases energy expenditure.
Cognitive, Mood & Sleep
Oxytocin
The bonding hormone with effects on social cognition, trust, and emotional regulation.
Sexual Health & Hormonal Regulation
Oxytocin (Sexual Health Use)
The bonding hormone used for intimacy enhancement and relationship support.
Cognitive, Mood & Sleep
PACAP
Pituitary Adenylate Cyclase-Activating Polypeptide with neuroprotective and cognitive effects.
Healing, Repair & Regenerative
PDGF-Derived Peptides
Peptides based on platelet-derived growth factor for tissue healing and regeneration.
Growth Hormone, Muscle & Performance
PEG-MGF
Pegylated MGF with extended half-life for systemic muscle growth and recovery support.
Sexual Health
PT-141
Bremelanotide's Vyleesi label covers a specific sexual-desire disorder in premenopausal women, not general sexual enhancement.
Dermatology, Hair & Cosmetic
Palmitoyl Oligopeptide
A signaling peptide that stimulates collagen and hyaluronic acid production in skin.
Dermatology, Hair & Cosmetic
Palmitoyl Tetrapeptide-7
An anti-inflammatory peptide that reduces skin aging caused by chronic inflammation.
Healing, Repair & Regenerative
Post-Surgical Recovery Peptides
Peptides optimized for accelerating recovery after surgical procedures.
Immune, Inflammation & Autoimmune
Post-Viral Recovery Peptides
Peptides that support immune recovery and reduce long-term effects after viral infections.
Metabolic, Weight Loss & GLP-1
Pramlintide
An FDA-approved amylin analog used alongside insulin for diabetes management and appetite control.
Metabolic, Weight Loss & GLP-1
Retatrutide
A triple agonist targeting GLP-1, GIP, and glucagon receptors for potentially superior weight loss outcomes.
Longevity, Anti-Aging & Mitochondrial
SHLP-1
Small Humanin-like Peptide 1, a mitochondrial peptide involved in cellular protection.
Longevity, Anti-Aging & Mitochondrial
SHLP-2
Small Humanin-like Peptide 2, associated with insulin sensitivity and metabolic regulation.
Longevity, Anti-Aging & Mitochondrial
SHLP-3
Small Humanin-like Peptide 3, involved in mitochondrial function and cellular health.
Longevity, Anti-Aging & Mitochondrial
SHLP-4
Small Humanin-like Peptide 4, with potential anti-inflammatory and protective effects.
Longevity, Anti-Aging & Mitochondrial
SHLP-5
Small Humanin-like Peptide 5, contributing to mitochondrial-nuclear communication.
Longevity, Anti-Aging & Mitochondrial
SHLP-6
Small Humanin-like Peptide 6, playing a role in cellular stress responses.
Longevity, Anti-Aging & Mitochondrial
SIRT-Activating Peptides
Peptides that activate sirtuin proteins for cellular repair and longevity.
Dermatology, Hair & Cosmetic
SNAP-8
An octapeptide that inhibits muscle contraction for wrinkle reduction similar to Argireline.
Cognitive, Mood & Sleep
Selank
An anxiolytic and nootropic peptide based on tuftsin with immune-modulating properties.
Weight Management
Semaglutide
Semaglutide: understand product-specific approved uses, weight-loss trial results, important safety warnings, and questions for your prescriber.
Cognitive, Mood & Sleep
Semax
A synthetic peptide derived from ACTH with nootropic, neuroprotective, and cognitive-enhancing effects.
Longevity, Anti-Aging & Mitochondrial
Senolytic Peptides
Peptides that selectively eliminate senescent cells to rejuvenate tissues.
Anti-Aging
Sermorelin
Sermorelin has a historical Geref approval context. That history does not establish FDA approval of current compounded anti-aging products.
Dermatology, Hair & Cosmetic
Skin-Elasticity Peptides
Peptides that improve skin firmness and elasticity through elastin support.
Healing, Repair & Regenerative
Soft-Tissue Repair Peptides
Peptides targeting muscle, ligament, and fascia repair and regeneration.
Cognitive, Mood & Sleep
Stress-Resilience Peptides
Peptides that enhance the body's ability to adapt to and recover from stress.
Healing, Repair & Regenerative
TB-500
A synthetic version of Thymosin Beta-4 promoting wound healing, tissue repair, and flexibility.
Immune, Inflammation & Autoimmune
TNF-Modulating Peptides
Peptides that modulate tumor necrosis factor signaling for inflammatory conditions.
Longevity, Anti-Aging & Mitochondrial
Telomerase-Activating Peptides
Peptides that may support telomere maintenance and cellular lifespan.
Healing, Repair & Regenerative
Tendon Repair Peptides
Peptides targeting tendon healing and strengthening for injury recovery.
Growth Hormone, Muscle & Performance
Tesamorelin
An FDA-approved GHRH analog for reducing visceral adipose tissue in HIV patients with lipodystrophy.
Healing, Repair & Regenerative
Thymosin Alpha-1
An immune-modulating peptide that enhances T-cell function and supports tissue repair.
Immune, Inflammation & Autoimmune
Thymosin Alpha-1 (Immune)
A thymic peptide that modulates T-cell function and enhances immune response against infections and cancer.
Tissue Repair
Thymosin Beta-4
Thymosin beta-4 and products called TB-500 need careful identification. Experimental recovery claims are not established treatment recommendations.
Immune, Inflammation & Autoimmune
Thymulin
A thymic hormone that regulates T-cell development and immune system function.
Weight Management
Tirzepatide
Tirzepatide: read about Zepbound's approved uses, clinical evidence, safety warnings, oral contraceptive interactions, and prescribing questions.
Healing, Repair & Regenerative
VEGF-Derived Peptides
Vascular endothelial growth factor-derived peptides promoting blood vessel formation and healing.
Immune, Inflammation & Autoimmune
VIP
Vasoactive Intestinal Peptide with anti-inflammatory and immunomodulatory properties.
Sexual Health & Hormonal Regulation
Vasopressin (Bonding/Libido Context)
A peptide hormone involved in pair bonding and social behavior.
Cognitive, Mood & Sleep
Vasopressin Analogs
Peptides based on vasopressin for memory enhancement and social behavior modulation.
Healing, Repair & Regenerative
Wound-Healing Peptides
A class of peptides that accelerate wound closure and tissue repair.
Questions worth carrying forward
- What is known about the specific substance and use being discussed?
- What uncertainties, interactions, or contraindications should be reviewed?
- Who is responsible for evaluation, prescribing where applicable, and follow-up?