GUIDE
Research-Use-Only Peptides
Strongly labeled non-approved research-compound context.
What to ask your clinician
Which claims are label-based, which are investigational, and which safety warnings apply to your situation?
Evidence distinction
Human randomized data, observational reports, animal studies, and marketing claims are ranked separately.
Regulatory distinction
Approved medications, supplements, cosmetic ingredients, compounded products, and RUO compounds are not equivalent.
Plain-English guide
Strongly labeled non-approved research-compound context.
Use this guide as a map, not a recommendation list. Start by separating approved product labels from research-only, supplement, cosmetic, and marketing claims. Then compare evidence grade, route, safety score, and source quality before reading individual peptide profiles.
For any peptide with an approved product context, the official label is the primary source for indications, warnings, contraindications, and adverse reactions. For investigational or research-use-only entries, treat the profile as a source-review starting point rather than proof of safety or effectiveness.
Ranked entries
Adrenomedullin
Cardiovascular and vascular biology research
Adropin
Energy homeostasis and vascular research
Alpha-MSH
Pigmentation, inflammation, and melanocortin pathway research
Amylin
Satiety and glucose-regulation research
AOD-9604
Metabolic and body-composition research
Apelin
Cardiovascular and metabolic pathway research
Argireline
Topical cosmetic expression-line ingredient context
Atrial natriuretic peptide
Cardiovascular and fluid-balance research
Aviptadil
Pulmonary and critical-care research
Beta-endorphin
Pain, stress, and neuroendocrine research
BPC-157
Tissue repair and gut pathway research
Bradykinin
Inflammation, vascular permeability, and angioedema pathway research
Cagrilintide
Weight management and metabolic research
Calcitonin gene-related peptide
Migraine, vascular, and sensory signaling research
Cilengitide
Oncology research
CJC-1295
Growth hormone pathway research
Collagen peptides
Skin, joint, and nutrition supplement context
Creatine
Sports nutrition comparison item
CRH
Stress-axis and endocrine research
C-type natriuretic peptide
Bone growth and cardiovascular research
Dermaseptin
Host-defense peptide research
DSIP
Sleep and neuroendocrine research
Dynorphin
Pain, reward, and stress-pathway research
Elamipretide
Mitochondrial disease and Barth syndrome research or regulated context depending on jurisdiction/date
Emerging peptide placeholder
Placeholder for future source-backed peptide entries
Enkephalin
Pain and reward-pathway research
Enlicitide decanoate
Hypercholesterolemia research
Epitalon
Aging and telomere pathway research
Galanin
Appetite, pain, mood, and neuroendocrine research
GHK-Cu
Cosmetic skin-care ingredient and wound/skin biology research
Ghrelin
Appetite, metabolism, and growth hormone pathway research
GLP-2
Intestinal adaptation and gut physiology research
HCG
Hormone medication context; included because users search it near peptides
Humanin
Aging, metabolism, and cellular stress research
Ipamorelin
Growth hormone secretagogue research
Kisspeptin
Reproductive endocrinology and GnRH-axis research
KPV
Inflammatory and gut pathway research
Lactoferricin
Antimicrobial and immune research
LL-37
Innate immunity and antimicrobial pathway research
Lunasin
Nutrition and cell-signaling research
Magainin
Host-defense peptide research
Matrixyl
Topical cosmetic skin-care ingredient context
Mazdutide
Obesity and type 2 diabetes research
Melanotan II
Pigmentation and melanocortin pathway research
MOTS-c
Metabolic and aging-pathway research
Nesfatin-1
Appetite and metabolic research
Neuropeptide Y
Appetite, stress, vascular, and nervous-system research
Neurotensin
Nervous-system and gastrointestinal signaling research
Nisin
Food preservation and antimicrobial research context
Orexin-A
Sleep, arousal, appetite, and neurobiology research
Oxyntomodulin
Metabolic and appetite-regulation research
Oxytocin
Obstetric medication context and neuroendocrine research
Paltusotine
Acromegaly medication/research context depending on product status
Pemvidutide
Metabolic dysfunction-associated steatohepatitis and obesity research
Peptide YY
Appetite and gut-brain axis research
PNC-27
Preclinical oncology research
Retatrutide
Obesity and metabolic disease research
Saralasin
Renin-angiotensin research and historical pharmacology context
Selank
Anxiety, cognition, and neuropeptide research
Semax
Cognition and neurological research
Sermorelin
Growth hormone pathway research and historical diagnostic/therapeutic contexts
SHLP-2
Metabolism and aging research
Somatostatin
Endocrine and gastrointestinal signaling research
Substance P
Pain, inflammation, and neuroimmune research
Survodutide
Obesity and metabolic liver disease research
TB-500 / Thymosin beta-4 fragment
Tissue repair and cell migration research
Tesofensine peptide-adjacent comparison
Weight-management research comparison context
Thymopoietin
Immune signaling research
Thymosin alpha-1
Immune and infectious-disease research; approved in some non-US jurisdictions
Thymulin
Immune and endocrine research
Thymus peptides
Immune supplement and research-adjacent context
TRH
Hypothalamic-pituitary-thyroid axis research
Ularitide
Acute heart failure research
Urocortin
Stress-axis and cardiovascular research
VIP
Pulmonary, vascular, and neuroimmune pathway research