Research reference only. Not medical advice. Most compounds are not FDA-approved. These are research chemicals, not for human consumption. Consult a qualified clinician.Read methodology

Peptide library

Peptide library, A to Z

Every compound in the catalog, 110 in all, grouped by research area. Each entry shows its evidence tier and regulatory availability, and links to the full reference page with mechanism, reported research dosing, risks and cited sources.

Growth Hormone Secretion 19

  • CJC-1295Anecdotal + Phase 2 (DAC) · Compounding Restricted

    A GHRH analog studied for growth-hormone release, recovery, lean mass, and sleep quality.

  • CJC-1295 + IpamorelinAnecdotal + Animal Studies · Compounding Restricted

    A GHRH-analog and GHRP blend studied for growth-hormone release and recovery.

  • FollistatinPreclinical + Gene Therapy Trials · Research Chemical

    A myostatin-binding protein studied for muscle hypertrophy via activin inhibition.

  • Follistatin 315Preclinical · Research Chemical

    A follistatin isoform studied for systemic myostatin inhibition and lean-mass preservation.

  • Follistatin 344Preclinical · Research Chemical

    A follistatin isoform studied for local myostatin inhibition and muscle hypertrophy.

  • GHRP-2Japan-Approved Diagnostic · Research

    A growth-hormone-releasing peptide studied for strong GH release and lean mass.

  • GHRP-6Anecdotal + Animal Studies · Research Chemical

    A growth-hormone-releasing peptide studied for GH release and strong appetite stimulation.

  • HexarelinPhase 2 (not approved) · Research Chemical

    A potent growth-hormone-releasing peptide studied for GH release and cardiac protection.

  • Hulk StackAnecdotal · Compounding Restricted

    A growth-hormone and IGF-1 stack studied for muscle accrual and recovery during dosing.

  • IGF-1 DESAnecdotal + Animal Studies · Research Chemical

    A truncated IGF-1 analog studied for localized muscle growth with high potency.

  • IGF-1 LR3Anecdotal + Animal Studies · Research Chemical

    A long-acting IGF-1 analog studied for muscle growth and cellular proliferation.

  • IpamorelinAnecdotal + Phase 2 · Compounding Restricted

    A selective growth-hormone-releasing peptide studied for clean GH release and recovery.

  • MGFPreclinical + Anecdotal · Research Chemical

    An IGF-1 splice-variant peptide studied for satellite-cell activation and muscle repair.

  • MK-677Phase 3 (not approved) · Research Chemical

    An oral ghrelin-receptor agonist studied for raising growth hormone, sleep, and lean mass.

  • PEG-MGFAnecdotal · Research Chemical

    A pegylated IGF-1 splice variant studied for systemic muscle-repair signaling.

  • SermorelinDiscontinued (FDA approval 1990; US withdrawal 2008) · Compounding Restricted

    A GHRH analog studied for pulsatile growth-hormone release, sleep, and anti-aging.

  • Somatropin (HGH)FDA-Approved · Prescription

    Recombinant human growth hormone studied for lean mass, fat loss, and bone density.

  • TesamorelinFDA-Approved · Prescription

    An FDA-approved GHRH analog studied for reducing visceral abdominal fat and triglycerides.

  • Tesamorelin + IpamorelinFDA-Approved (component) · Compounding Restricted

    A blend of Tesamorelin and Ipamorelin studied for visceral-fat reduction and recovery.

Metabolic & Weight 19

  • 5-Amino-1MQPreclinical + Anecdotal · Research Chemical

    An NNMT-inhibitor small molecule studied for raising NAD+ and supporting fat metabolism.

  • AdipotidePreclinical (Editor-Flagged Toxic) · Experimental

    An experimental peptide studied for targeting fat-tissue blood supply to drive fat loss.

  • AICARClinical Trials (banned in sport) · Research Chemical

    An AMPK-activator nucleoside studied as an exercise mimetic for fat oxidation and endurance.

  • AOD-9604Phase 2b (mixed) · Research / Anecdotal

    A growth-hormone fragment studied for fat loss and lipolysis without affecting blood sugar.

  • CagrilintidePhase 2/3 · Investigational

    A long-acting amylin analog studied for appetite suppression and meaningful weight loss.

  • CagriSemaPhase 3 · Investigational

    A blend of amylin and GLP-1 agonists studied for strong appetite control and weight loss.

  • DulaglutideFDA-Approved · Prescription

    A GLP-1 receptor agonist studied for type-2 diabetes control and modest weight loss.

  • EloralintidePhase 1/2 · Investigational

    An investigational amylin-receptor agonist studied for appetite control and weight loss.

  • LiraglutideFDA-Approved · Prescription

    A GLP-1 receptor agonist studied for diabetes control and weight loss of roughly 5 to 10%.

  • MazdutidePhase 3 (China) · Investigational

    A dual GLP-1/glucagon agonist studied for weight loss, glucose control, and liver fat.

  • MOTS-CEarly Clinical + Animal Studies · Research

    A mitochondrial-derived peptide studied for insulin sensitivity and metabolic support.

  • OrforglipronFDA-Approved · Prescription

    An oral GLP-1 agonist studied for weight loss and blood-sugar control without injection.

  • PancragenRussian Research · Research

    A short peptide bioregulator studied for pancreatic beta-cell glucose support.

  • RetatrutidePhase 3 · Investigational

    A triple GIP/GLP-1/glucagon agonist studied for large weight loss and metabolic effects.

  • SemaglutideFDA-Approved · Prescription

    A GLP-1 receptor agonist studied for blood-sugar control and substantial weight reduction.

  • SLU-PP-332Preclinical · Experimental

    An ERR-agonist small molecule studied as an exercise mimetic for endurance and fat loss.

  • SurvodutidePhase 3 · Investigational

    A dual GLP-1/glucagon agonist studied for large weight loss and fatty-liver-disease benefit.

  • TesofensinePhase 2/3 (mixed) · Research Chemical

    A triple monoamine reuptake inhibitor studied for appetite suppression and weight loss.

  • TirzepatideFDA-Approved · Prescription

    A dual GIP/GLP-1 receptor agonist studied for major weight loss and blood-sugar control.

Tissue Repair 19

  • ARA-290Phase 2 · Investigational

    An EPO-derived peptide studied for small-fiber neuropathy pain and tissue protection.

  • BPC-157Anecdotal + Animal Studies · Compounding Restricted

    A synthetic peptide studied for tendon, muscle, and gut-lining repair and reduced inflammation.

  • BPC-157 + KPVAnecdotal + Animal Studies · Compounding Restricted

    A blend of BPC-157 and KPV studied for gut-lining repair and inflammatory-bowel support.

  • BronchogenRussian Research · Research

    A short peptide bioregulator studied for bronchial and respiratory mucosal support.

  • CardiogenRussian Research · Research

    A short peptide bioregulator studied for cardiac tissue support in animal models.

  • ChonlutenRussian Research · Research

    A short peptide bioregulator studied for lung and bronchial epithelial support.

  • GHKPreclinical + Cosmetic · Research

    A signaling tripeptide studied for tissue repair, collagen support, and wound healing.

  • GHK-CuCosmetic Clinical + Animal Studies · Cosmetic / Research

    A copper-tripeptide studied for collagen synthesis, skin anti-aging, and wound healing.

  • GlowAnecdotal · Compounding Restricted

    A regenerative peptide blend studied for skin renewal, wound recovery, and collagen support.

  • KlowAnecdotal · Compounding Restricted

    A regenerative peptide blend studied for inflamed-tissue and mucosal repair and recovery.

  • KPVPreclinical + Anecdotal · Research

    An alpha-MSH-derived tripeptide studied for anti-inflammatory and gut-barrier effects.

  • LivagenRussian Research · Research

    A short peptide bioregulator studied for liver tissue and hepatocyte function support.

  • LL-37Preclinical + Animal Studies · Research

    A host-defense peptide studied for broad antimicrobial action and wound healing.

  • OvagenRussian Research · Research

    A short peptide bioregulator studied for liver and gastrointestinal mucosal support.

  • PGPIPNPreclinical · Research

    A synthetic hexapeptide studied for immune modulation and anti-inflammatory tissue repair.

  • TB-500Anecdotal + Animal Studies · Compounding Restricted

    A thymosin beta-4 fragment studied for tissue repair, angiogenesis, and flexibility.

  • VesiluteRussian Research · Research

    A short peptide bioregulator studied for bladder mucosa and urinary-function support.

  • VesugenRussian Research · Research

    A short peptide bioregulator studied for endothelial function and vascular-aging support.

  • WolverineAnecdotal · Compounding Restricted

    A peptide blend of BPC-157 and TB-500 studied for synergistic tissue repair and recovery.

Dermatologic 17

  • AHK-CuCosmetic Clinical Studies · Cosmetic

    A topical copper-tripeptide studied for hair-follicle stimulation and scalp circulation.

  • ArgirelineCosmetic Clinical Studies · Cosmetic

    A topical peptide studied for softening facial expression lines by easing muscle contraction.

  • Decapeptide-12Cosmetic Clinical Studies · Cosmetic

    A topical peptide studied for skin brightening and reducing melasma and hyperpigmentation.

  • MatrixylCosmetic Clinical Studies · Cosmetic

    A topical signal peptide studied for collagen stimulation, firmness, and wrinkle reduction.

  • Melanotan IFDA/EMA-Approved · Prescription (EPP)

    An MC1R agonist studied for tanning and photoprotection in a rare light disorder.

  • Melanotan IIAnecdotal (Editor-Flagged Unsafe) · Research Chemical

    A melanocortin-receptor agonist studied for skin tanning, libido, and appetite effects.

  • Nonapeptide-1Cosmetic Clinical Studies · Cosmetic

    A topical peptide studied for skin brightening and pigment control via MC1R blockade.

  • Pal-AHKCosmetic Clinical Studies · Cosmetic

    A topical lipopeptide studied for hair-follicle stimulation and overall scalp health.

  • Pal-GHKCosmetic Clinical Studies · Cosmetic

    A topical lipopeptide studied for collagen synthesis, skin repair, and anti-aging.

  • Palmitoyl Dipeptide-6Cosmetic Clinical Studies · Cosmetic

    A topical lipopeptide studied for retinol-like skin renewal without the irritation.

  • Pentapeptide-18Cosmetic Clinical Studies · Cosmetic

    A topical peptide studied for reducing expression wrinkles, often paired with Argireline.

  • RiginCosmetic Clinical Studies · Cosmetic

    A topical lipopeptide studied for anti-inflammaging and reducing skin-aging markers.

  • SNAP-8Cosmetic Clinical Studies · Cosmetic

    A topical peptide studied for wrinkle reduction with a Botox-like relaxing action.

  • Syn-AkeCosmetic Clinical Studies · Cosmetic

    A topical snake-venom-inspired peptide studied for relaxing muscles to smooth wrinkles.

  • Syn-CollCosmetic Clinical Studies · Cosmetic

    A topical lipopeptide studied for collagen stimulation and reducing wrinkle depth.

  • Tripeptide-29Cosmetic Clinical Studies · Cosmetic

    A topical tripeptide studied for collagen synthesis and skin-structure support.

  • VialoxCosmetic Clinical Studies · Cosmetic

    A topical peptide studied for muscle relaxation and wrinkle smoothing, a Botox alternative.

Cognitive 9

  • AdamaxAnecdotal · Research Chemical

    A modified Semax analog studied for cognition, focus, and mood, with greater potency.

  • CerebrolysinApproved in 50+ countries · Intl Prescription

    A neurotrophic peptide mixture studied for stroke, dementia, and brain-injury recovery.

  • CortagenRussian Research · Research

    A short peptide bioregulator studied for cortical support and neuroprotection.

  • DihexaPreclinical + Anecdotal · Research Chemical

    An angiotensin-IV analog studied for synaptogenesis and memory via HGF signaling.

  • P21Preclinical · Research

    A CNTF-derived peptide studied for neurogenesis, synaptic plasticity, and memory.

  • PE-22-28Preclinical · Research

    A spadin-derived peptide studied for antidepressant effects via TREK-1 blockade.

  • PinealonRussian Research · Research

    A short peptide bioregulator studied for circadian regulation and neuroprotection.

  • SelankRussia-Approved + Anecdotal · Research / Intl Rx

    An anxiolytic tuftsin-analog peptide studied for stress reduction and focus without sedation.

  • SemaxRussia-Approved + Anecdotal · Research / Intl Rx

    A nootropic ACTH-fragment peptide studied for focus, memory, and neuroprotection.

Longevity 9

  • CartalaxRussian Research · Research

    A short peptide bioregulator studied for cartilage and musculoskeletal support.

  • EpitalonRussia-Clinical + Animal Studies · Research

    A pineal tetrapeptide studied for telomerase activation and circadian-rhythm regulation.

  • FOXO4-DRIPreclinical · Experimental

    A senolytic peptide studied for clearing senescent cells to extend healthspan.

  • GlutathioneObservational + Some RCTs · Supplement / IV Clinic

    An endogenous antioxidant tripeptide studied for detoxification, immunity, and skin tone.

  • HumaninPreclinical + Animal Studies · Research

    A mitochondrial-derived peptide studied for neuroprotection and insulin sensitization.

  • NAD+Observational + Anecdotal · Supplement / IV Clinic

    A cellular coenzyme studied for energy metabolism, DNA repair, and anti-aging.

  • SS-31FDA-Approved · Prescription

    A mitochondria-targeted tetrapeptide studied for cardiolipin protection and cell energy.

  • TestagenRussian Research · Research

    A short peptide bioregulator studied for testicular function and testosterone support.

  • VilonRussian Research · Research

    A short peptide bioregulator studied for thymus support and immune-aging modulation.

Sexual-Health 8

  • EnclomiphenePhase 3 (not approved standalone) · Research / Off-Label

    A selective estrogen modulator studied for restoring testosterone while preserving fertility.

  • GonadorelinFDA-Approved · Prescription

    An FDA-approved GnRH peptide studied for stimulating LH/FSH and testicular function.

  • hCGFDA-Approved · Prescription

    An FDA-approved hormone studied for fertility, ovulation, and testosterone support.

  • Kisspeptin-10Phase 2 · Investigational

    A kisspeptin-receptor agonist studied for reproductive-axis activation and libido.

  • OxytocinFDA-Approved · Prescription

    A pituitary hormone studied for labor induction, social bonding, and stress reduction.

  • PT-141FDA-Approved · Prescription

    An FDA-approved melanocortin agonist studied for libido and arousal in low desire.

  • Testosterone CypionateFDA-Approved · Prescription

    An FDA-approved testosterone ester used to treat low testosterone in men, the standard of TRT.

  • TriptorelinFDA-Approved · Prescription

    An FDA-approved GnRH agonist studied for prostate cancer, endometriosis, and HPG reset.

Other & Emerging 5

  • DermorphinPreclinical + Illicit Use · Experimental (Illicit)

    An opioid peptide studied in research for analgesia many times stronger than morphine.

  • DS5No Verified Data · Unknown

    An investigational peptide with limited published human data on its researched effects.

  • PNC-27Preclinical · Experimental

    An experimental peptide studied for selectively disrupting cancer-cell membranes in vitro.

  • ProstamaxRussian Research · Research

    A short peptide bioregulator studied for prostate-health support in early animal models.

  • VIPPhase 3 (Aviptadil) / Off-Label · Investigational / Compounded

    A neuropeptide hormone studied for vasodilation, anti-inflammatory, and gut-function roles.

Immune 4

  • CrystagenRussian Research · Research

    A short peptide bioregulator studied for immune support and thymic-function recovery.

  • ThymagenRussian Research · Research

    A short peptide bioregulator studied for thymic function and T-cell modulation.

  • ThymalinRussian Clinical + Observational · Research

    A thymic peptide studied for immune function, thymus regeneration, and healthy aging.

  • Thymosin Alpha-1Approved in ~30 countries · Compounding Restricted / Intl Rx

    A thymic peptide studied for immune modulation and T-cell maturation, approved abroad.

Sleep & Stress 1

  • DSIPPreclinical + Anecdotal · Research

    A sleep-associated neuropeptide studied for sleep quality and stress modulation.