The Peptide Research Dictionary

Soluble ActRIIB decoy receptor studied for inhibiting myostatin pathway to increase muscle mass.

ACE-2-derived peptide studied for modulating renin-angiotensin system and antiviral attachment inhibition.

HGF/c-Met pathway modulator studied as a potent cognitive enhancer related to the Dihexa scaffold.

Adipokine-derived peptide studied for insulin sensitization and anti-inflammatory metabolic effects.

GnRH analogue studied for ovulation induction and endometriosis management.

Vasoactive heptapeptide studied for cardiovascular protection and counter-regulation of the angiotensin axis.

C-terminal fragment of hGH studied for lipolysis and fat-burning without IGF-1 elevation.

Anticoagulant serine protease studied for cytoprotective and anti-inflammatory effects in critical illness.

Endogenous ligand of the APJ receptor studied for cardiovascular, metabolic, and CNS effects.

Non-erythropoietic EPO mimetic studied for tissue protection and neuropathic pain.

Synthetic pentadecapeptide derived from gastric juice studied for tendon, ligament, and gut healing.

Arginate salt form of BPC-157 studied for improved oral stability and systemic healing effects.

Proinsulin cleavage product studied for independent physiological roles in diabetic complications.

PPARδ agonist studied for endurance enhancement and lipid metabolism (note: associated with cancer risk in animal studies).

Mixture of low-molecular-weight neuropeptides and neurotrophic factors studied for neurodegeneration.

Long-acting GHRH analogue that stimulates growth hormone secretion; often combined with Ipamorelin.

Short-acting GHRH analogue without drug-affinity complex, used for pulsatile GH release research.

Collagen-derived tripeptide studied for skin elasticity, joint health, and bone mineral density.

Neuropeptide sharing receptors with somatostatin, studied for sleep regulation and cortical excitability.

Hypothalamic peptide studied for stress-axis regulation and potential therapeutic applications in depression.

Human antimicrobial peptide studied for innate immune defense and epithelial barrier protection.

Neuropeptide studied for promoting slow-wave sleep, stress modulation, and anti-oxidative effects.

Heptapeptide opioid analogue from amphibian skin studied for potent analgesic activity.

High-affinity HGF/c-Met ligand studied for synaptic repair, memory consolidation, and Alzheimer's research.

Serine protease inhibitor studied for anti-inflammatory and antimicrobial activity in barrier tissues.

Non-steroidal estrogen receptor antagonist studied for testosterone restoration and male hypogonadism.

Tetrapeptide derived from the pineal gland studied for telomere elongation and anti-aging effects.

Fibroblast growth factor studied for angiogenesis, wound healing, and tissue regeneration.

Hepatokine studied for metabolic regulation, longevity signaling, and improved insulin sensitivity.

Glycoprotein that neutralizes myostatin and activin, studied for promoting muscle growth.

D-retro-inverso peptide targeting FOXO4-p53 interaction, studied for selective clearance of senescent cells.

Neuropeptide studied for pain modulation, memory function, and mood regulation.

Tripeptide naturally present in plasma, studied for collagen synthesis and tissue remodeling.

Copper-bound tripeptide studied for skin rejuvenation, hair growth, and wound healing.

Lipophilic GHK-Cu derivative formulated for periorbital skin repair and collagen boosting.

Endogenous GH secretagogue and appetite regulator studied for GH release and metabolic signaling.

Endogenous hypothalamic peptide that stimulates GH synthesis and secretion from the pituitary.

Synthetic ghrelin analogue that potently stimulates GH release through the GHS-R receptor.

GH secretagogue studied for GH release and appetite stimulation via ghrelin receptor activation.

Intestinotrophic peptide studied for intestinal growth and short-bowel syndrome treatment.

GnRH analogue used to stimulate LH/FSH release; researched as an alternative to TRT for HPG axis support.

Potent synthetic hexapeptide ghrelin mimetic studied for GH secretion and cardioprotection.

Mitochondria-derived peptide studied for cytoprotection, neuroprotection, and metabolic regulation.

Endogenous growth factor studied for anabolic, cell proliferative, and neuroprotective activities.

Long-acting variant of IGF-1 studied for anabolic signaling, muscle hypertrophy, and satellite cell activation.

Long-acting fatty-acid-conjugated insulin analogue used as a research comparator in metabolic studies.

Selective GH secretagogue and ghrelin mimetic studied for growth hormone release with minimal side effects.

C-terminal fragment of kisspeptin studied for GnRH pulse stimulation and reproductive axis regulation.

Anti-aging hormone and FGF23 co-receptor studied for kidney protection and cognitive longevity.

Tripeptide derived from alpha-MSH studied for gut inflammation and wound healing.

Somatostatin analogue studied for acromegaly, neuroendocrine tumors, and GH suppression.

Tight-junction regulator peptide studied for intestinal permeability and celiac disease.

Fragment of the leptin hormone studied for satiety signaling and fat-mass regulation.

GnRH analogue studied for testosterone suppression, endometriosis, and prostate cancer treatment.

SARM studied for lean muscle mass gains and strength in hypogonadal and aging populations.

Human cathelicidin-derived antimicrobial peptide studied for broad-spectrum antimicrobial and immunomodulatory activity.

Shortest antimicrobial fragment of LL-37 retaining antibacterial and anti-biofilm activity.

Pituitary peptide that stimulates melanin production; studied for tanning and anti-inflammatory effects.

α-MSH analogue and melanocortin receptor agonist studied for skin tanning and photoprotection.

Non-selective melanocortin receptor agonist studied for tanning, libido, and appetite suppression.

Non-peptide GH secretagogue / ghrelin mimetic studied for GH and IGF-1 elevation; often grouped with SARMs.

Mitochondria-encoded peptide studied for metabolic regulation, insulin sensitivity, and exercise mimicry.

Peptide-based inhibitor of myostatin signaling studied for muscle hypertrophy and dystrophy treatment.

Essential coenzyme studied for cellular energy metabolism, sirtuin activation, and longevity pathways.

Hypothalamic peptide studied for satiety signaling and glucose homeostasis.

Abundant brain neuropeptide studied for appetite regulation, stress resilience, and mood modulation.

Potent somatostatin analogue widely used in research for GH suppression and neuroendocrine tumor control.

Hypothalamic neuropeptide studied for wakefulness promotion and narcolepsy treatment.

Well-characterized SARM studied for muscle preservation, bone density, and clinical cachexia treatment.

Bone-derived hormone studied for muscle, brain, and metabolic function in aging models.

Hypothalamic neuropeptide studied for social bonding, anxiety reduction, and metabolic signaling.

CNTF-derived peptide studied for neurogenesis, BDNF elevation, and cognitive enhancement.

Signal peptide studied for collagen and fibronectin synthesis in aged skin.

Multi-receptor somatostatin analogue studied for Cushing's disease and acromegaly.

PEGylated splice variant of IGF-1 studied for muscle repair and satellite cell activation.

Gut-derived peptide studied for appetite suppression and regulation of energy intake.

Pineal gland-derived tripeptide (Glu-Asp-Arg) studied for neuroprotection and circadian rhythm regulation.

Melanocortin receptor agonist (FDA-approved as Vyleesi) studied for sexual dysfunction in men and women.

Selective androgen receptor modulator studied for anabolic effects on muscle and bone with reduced androgenic side effects.

Triple GIP/GLP-1/glucagon receptor co-agonist in clinical trials for obesity and metabolic disease.

Synthetic tuftsin analogue studied for anxiolytic, nootropic, and immunomodulatory effects.

Acetylated Selank derivative studied for anxiolytic and memory-enhancing effects.

GLP-1 receptor agonist studied for glycemic control and significant weight reduction.

ACTH-derived heptapeptide studied for neuroprotection, cognitive enhancement, and BDNF upregulation.

Acetylated form of Semax studied for enhanced brain penetration and neuroprotective potency.

Truncated analogue of endogenous GHRH studied for stimulating pulsatile GH secretion.

Octapeptide analogue of SNAP-25 studied for reducing expression of facial wrinkles.

Cyclic peptide that inhibits GH secretion; studied for neuroendocrine tumor and acromegaly treatment.

Mitochondria-targeted tetrapeptide studied for cardioprotection and mitochondrial bioenergetics.

Neuropeptide studied for pain signaling modulation, neurogenic inflammation, and wound healing.

Plant-derived small molecule studied for telomerase activation and cellular senescence reduction.

Synthetic fragment of Thymosin Beta-4 researched for wound healing, muscle repair, and anti-inflammation.

FDA-approved GHRH analogue researched for visceral fat reduction and GH deficiency.

Thymic peptide studied for T-cell maturation, immune modulation, and antiviral activity.

Tetrapeptide fragment of Thymosin Beta-4 studied for cardiac and tissue protective effects.

Oxidized form of TB-4 studied for anti-inflammatory effects in ocular and systemic models.

Thymic hormone studied for T-cell differentiation and zinc-dependent immune regulation.

Dual GIP/GLP-1 receptor agonist studied for weight loss and type 2 diabetes management.

GnRH agonist used clinically for prostate cancer and studied for HPT axis restoration post-steroid use.

Neurohypophysial peptide studied for memory consolidation, social cognition, and water retention.

Neuropeptide studied for immune modulation, neuroprotection, and vasodilation.