Research Library
Compound Profiles
Educational profiles of research compounds. Information is drawn from published scientific literature and is intended for research context only.
Nothing on this page constitutes medical advice, dosing guidance, or recommendations for human use.
46 compounds
Tissue Repair
BPC-157
Body Protection Compound 157
Derived from a protective protein found in gastric juice. Studied extensively in animal models for its effects on tissue healing and gastrointestinal protection.
Molecular Weight
1419.5 Da
Amino Acids
15
Research Status
Preclinical research only
Research Areas
Tissue Repair
TB-500
Thymosin Beta-4 (synthetic fragment)
TB-500 is a synthetic version of a naturally occurring peptide. Research focuses on its role in actin dynamics and cell migration relevant to wound healing.
Molecular Weight
~4963 Da (full TB-4)
Amino Acids
43 (full TB-4)
Research Status
Preclinical research only
Research Areas
Tissue Repair
GHK-Cu
Copper Peptide GHK-Cu
A naturally occurring copper-binding tripeptide. Studied for its role in wound healing, collagen and elastin synthesis, and anti-inflammatory activity in tissue models.
Molecular Weight
340.4 Da (free peptide)
Amino Acids
3
Research Status
Preclinical research; cosmetic applications exist
Research Areas
Tissue Repair
KPV
Lysine-Proline-Valine
A C-terminal fragment of alpha-MSH. Studied for anti-inflammatory properties in gut and skin models, particularly in the context of inflammatory bowel disease research.
Molecular Weight
342.4 Da
Amino Acids
3
Research Status
Preclinical research only
Research Areas
Tissue Repair
Larazotide (AT-1001)
Larazotide Acetate / AT-1001
A tight junction regulator studied for its ability to reduce intestinal permeability. Has been evaluated in clinical trials for celiac disease.
Molecular Weight
~820 Da
Amino Acids
8
Research Status
Clinical research stage
Research Areas
Growth Hormone Axis
CJC-1295
CJC-1295 (with and without DAC)
A growth hormone-releasing hormone analogue with extended half-life. Studied for its effects on GH secretion and IGF-1 levels.
Molecular Weight
~3367 Da
Amino Acids
30
Research Status
Preclinical and early clinical research
Research Areas
Growth Hormone Axis
Ipamorelin
Ipamorelin
A selective growth hormone secretagogue. Studied for selectivity relative to other GH-releasing peptides, with minimal effect on cortisol or prolactin in preclinical models.
Molecular Weight
711.9 Da
Amino Acids
5
Research Status
Preclinical research
Research Areas
Growth Hormone Axis
GHRP-2
Growth Hormone Releasing Peptide-2
A synthetic hexapeptide that stimulates GH release via the ghrelin receptor. One of the most studied GHRP compounds, with documented effects on GH pulse amplitude.
Molecular Weight
817.9 Da
Amino Acids
6
Research Status
Preclinical and clinical research
Research Areas
Growth Hormone Axis
GHRP-6
Growth Hormone Releasing Peptide-6
One of the original synthetic GH secretagogues. Studied for GH release and appetite stimulation via ghrelin receptor agonism. Also investigated for cardioprotective properties.
Molecular Weight
873.0 Da
Amino Acids
6
Research Status
Preclinical and clinical research
Research Areas
Growth Hormone Axis
Hexarelin
Hexarelin (Examorelin)
A potent synthetic GH secretagogue. Studied for cardiovascular protective effects independent of GH release, including research on cardiac function in animal models.
Molecular Weight
887.1 Da
Amino Acids
6
Research Status
Preclinical and clinical research
Research Areas
Growth Hormone Axis
Sermorelin
Sermorelin (GHRH 1-29)
A synthetic fragment of endogenous GHRH. Previously FDA-approved as a diagnostic agent. Research has examined its role in GH secretion and age-related GH decline.
Molecular Weight
3357.9 Da
Amino Acids
29
Research Status
FDA-approved diagnostic agent; RUO research context only
Research Areas
Growth Hormone Axis
Tesamorelin
Tesamorelin (TH9507)
An FDA-approved GHRH analogue for HIV-associated lipodystrophy. RUO research compounds are distinct from the approved pharmaceutical product.
Molecular Weight
5135.9 Da
Amino Acids
44
Research Status
FDA-approved drug (Egrifta) — RUO research context only
Research Areas
Growth Hormone Axis
MK-677
Ibutamoren (MK-677)
A non-peptide orally active GH secretagogue. Studied for sustained GH and IGF-1 elevation. Technically a small molecule, not a peptide, but commonly catalogued alongside GH-axis peptides.
Molecular Weight
624.8 Da
Amino Acids
N/A (small molecule)
Research Status
Clinical research stage; not FDA-approved
Research Areas
Melanocortin System
PT-141
Bremelanotide
An FDA-approved drug for hypoactive sexual desire disorder. RUO research compounds are distinct from the approved pharmaceutical product.
Molecular Weight
1025.2 Da
Amino Acids
7
Research Status
FDA-approved drug (Vyleesi) — RUO research context only
Research Areas
Melanocortin System
Melanotan II
Melanotan II (MT-II)
A cyclic melanocortin analogue studied for its effects on MC1R and MC4R. Research has examined pigmentation, appetite suppression, and sexual function in animal models.
Molecular Weight
1024.2 Da
Amino Acids
7
Research Status
Preclinical research only; not FDA-approved
Research Areas
Melanocortin System
Afamelanotide
Afamelanotide (NDP-MSH)
An FDA-approved MC1R agonist for erythropoietic protoporphyria. A potent synthetic analogue of alpha-MSH with extended receptor binding.
Molecular Weight
1646.9 Da
Amino Acids
13
Research Status
FDA-approved drug (Scenesse) — RUO research context only
Research Areas
Neuropeptides
Selank
Selank (TP-7)
A synthetic analogue of the immunomodulatory peptide tuftsin. Studied in anxiety and cognitive models, with a body of research originating from Russian academic institutions.
Molecular Weight
751.9 Da
Amino Acids
7
Research Status
Preclinical research
Research Areas
Neuropeptides
Semax
Semax (ACTH 4-7 Pro-Gly-Pro)
An ACTH-derived peptide studied for neuroprotective properties in animal models. Research has examined BDNF upregulation and cognitive performance in rodent studies.
Molecular Weight
813.9 Da
Amino Acids
7
Research Status
Preclinical research
Research Areas
Neuropeptides
Dihexa
Dihexa (PNB-0408)
A hepatocyte growth factor (HGF) amplifier studied for cognitive effects in animal models. Research has examined synaptogenesis and memory performance in rodent Alzheimer's models.
Molecular Weight
756.9 Da
Amino Acids
5 (modified)
Research Status
Preclinical research only
Research Areas
Neuropeptides
Cerebrolysin
Cerebrolysin (FPF-1070)
A brain-derived peptide preparation studied for neuroprotective and neurotrophic effects. Approved in several European and Asian countries; subject of ongoing clinical research.
Molecular Weight
Variable (peptide mixture)
Amino Acids
Variable
Research Status
Approved in some countries; not FDA-approved
Research Areas
Neuropeptides
NAP (Davunetide)
NAP / Davunetide (AL-108)
Derived from activity-dependent neuroprotective protein (ADNP). Studied for neuroprotective effects in tau-related pathology and cognitive models.
Molecular Weight
854.0 Da
Amino Acids
8
Research Status
Clinical research stage
Research Areas
Neuropeptides
P21
P21 (CNTF-derived peptide)
A peptide derived from ciliary neurotrophic factor (CNTF). Studied for its ability to increase BDNF and promote neurogenesis in animal models without the side effects associated with full CNTF.
Molecular Weight
~1700 Da
Amino Acids
15
Research Status
Preclinical research only
Research Areas
Aging Research
Epithalon
Epithalamin / Epitalon
A tetrapeptide studied in the context of telomerase activity and aging biology. Research originates primarily from the St. Petersburg Institute of Bioregulation and Gerontology.
Molecular Weight
390.4 Da
Amino Acids
4
Research Status
Preclinical research
Research Areas
Aging Research
Humanin
Humanin (HN)
A mitochondria-derived peptide with cytoprotective properties. Studied for its role in inhibiting apoptosis and its potential relevance to age-related neurodegeneration.
Molecular Weight
~2.7 kDa
Amino Acids
24
Research Status
Preclinical research
Research Areas
Aging Research
MOTS-c
Mitochondrial Open Reading Frame of the 12S rRNA-c
A mitochondria-derived peptide that translocates to the nucleus under metabolic stress. Studied for its role in metabolic homeostasis, insulin sensitivity, and longevity pathways.
Molecular Weight
~2.2 kDa
Amino Acids
16
Research Status
Preclinical research
Research Areas
Aging Research
SS-31
Elamipretide (SS-31 / MTP-131)
A mitochondria-targeted peptide that concentrates in the inner mitochondrial membrane. Studied for cardioprotective and renoprotective effects in ischemia-reperfusion models.
Molecular Weight
639.8 Da
Amino Acids
4 (modified)
Research Status
Clinical research stage
Research Areas
Immune Modulation
Thymosin Alpha-1
Thymosin Alpha-1 (Tα1)
A thymic peptide that modulates T-cell maturation and immune response. Approved in over 35 countries for hepatitis B, hepatitis C, and as an adjunct in cancer therapy.
Molecular Weight
3108.4 Da
Amino Acids
28
Research Status
Approved in some countries (Zadaxin); not FDA-approved
Research Areas
Immune Modulation
Thymosin Beta-4
Thymosin Beta-4 (Tβ4)
The endogenous form of the peptide that TB-500 is derived from. Studied for its role in actin dynamics, wound healing, and cardiac tissue repair in preclinical models.
Molecular Weight
4963.5 Da
Amino Acids
43
Research Status
Clinical research stage
Research Areas
Immune Modulation
LL-37
LL-37 (Cathelicidin)
The only known human cathelicidin antimicrobial peptide. Studied for broad-spectrum antimicrobial activity, immunomodulation, and wound healing in preclinical and clinical contexts.
Molecular Weight
4493.3 Da
Amino Acids
37
Research Status
Preclinical and clinical research
Research Areas
Immune Modulation
Thymulin
Thymulin (FTS)
A zinc-dependent thymic hormone involved in T-cell differentiation. Studied in the context of immune aging and thymic involution.
Molecular Weight
857.9 Da
Amino Acids
9
Research Status
Preclinical research
Research Areas
Metabolic
Semaglutide
Semaglutide (GLP-1 analogue)
An FDA-approved GLP-1 receptor agonist for type 2 diabetes and obesity. RUO research compounds are distinct from the approved pharmaceutical product.
Molecular Weight
4113.6 Da
Amino Acids
34
Research Status
FDA-approved drug (Ozempic/Wegovy) — RUO research context only
Research Areas
Metabolic
Tirzepatide
Tirzepatide (GIP/GLP-1 dual agonist)
An FDA-approved dual GIP and GLP-1 receptor agonist. RUO research compounds are distinct from the approved pharmaceutical product.
Molecular Weight
4813.5 Da
Amino Acids
39
Research Status
FDA-approved drug (Mounjaro/Zepbound) — RUO research context only
Research Areas
Metabolic
AOD-9604
Anti-Obesity Drug 9604
A modified fragment of human growth hormone (hGH 176-191). Studied for lipolytic activity in adipose tissue models without the growth-promoting effects of full hGH.
Molecular Weight
1817.1 Da
Amino Acids
15
Research Status
Preclinical research; not FDA-approved
Research Areas
Metabolic
Oxytocin
Oxytocin
An endogenous nonapeptide hormone. Studied for roles in social bonding, appetite regulation, and metabolic function beyond its well-established obstetric applications.
Molecular Weight
1007.2 Da
Amino Acids
9
Research Status
FDA-approved drug (various) — RUO research context only
Research Areas
Cardiovascular
Angiotensin (1-7)
Angiotensin 1-7
An endogenous peptide of the renin-angiotensin system that acts as a counter-regulatory axis to angiotensin II. Studied for vasodilatory, anti-fibrotic, and cardioprotective properties.
Molecular Weight
899.0 Da
Amino Acids
7
Research Status
Clinical research stage
Research Areas
Cardiovascular
BNP
B-type Natriuretic Peptide (BNP-32)
An endogenous cardiac hormone used as a biomarker for heart failure. The recombinant form (nesiritide) is FDA-approved for acute decompensated heart failure.
Molecular Weight
3464.0 Da
Amino Acids
32
Research Status
FDA-approved drug (Natrecor/nesiritide) — RUO research context only
Research Areas
Pain Research
Ziconotide
Ziconotide (SNX-111)
An FDA-approved synthetic analogue of a conotoxin from the cone snail Conus magus. Approved for severe chronic pain. Blocks N-type voltage-gated calcium channels.
Molecular Weight
2639.1 Da
Amino Acids
25
Research Status
FDA-approved drug (Prialt) — RUO research context only
Research Areas
Pain Research
Substance P
Substance P
An endogenous neuropeptide and neurotransmitter involved in pain signaling. Widely used as a research tool to study nociception, neurogenic inflammation, and NK1 receptor pharmacology.
Molecular Weight
1347.6 Da
Amino Acids
11
Research Status
Research tool compound
Research Areas
Antimicrobial
Beta-Defensin 1
Human Beta-Defensin 1 (hBD-1)
An endogenous antimicrobial peptide expressed in epithelial tissues. Studied for its role in innate immune defense against bacteria, fungi, and viruses.
Molecular Weight
~3920 Da
Amino Acids
36
Research Status
Preclinical research
Research Areas
Antimicrobial
Magainin 2
Magainin 2
An antimicrobial peptide isolated from African clawed frog skin. Widely used as a model compound to study membrane-disrupting antimicrobial mechanisms.
Molecular Weight
2467.9 Da
Amino Acids
23
Research Status
Research tool compound
Research Areas
Bone Biology
PTH (1-34)
Teriparatide (PTH 1-34)
An FDA-approved anabolic agent for osteoporosis. The active fragment of parathyroid hormone. RUO research compounds are distinct from the approved pharmaceutical product.
Molecular Weight
4117.8 Da
Amino Acids
34
Research Status
FDA-approved drug (Forteo) — RUO research context only
Research Areas
Bone Biology
Collagen Peptides
Hydrolyzed Collagen Peptides
Enzymatically hydrolyzed collagen fragments. Studied for effects on joint cartilage, bone density, and skin elasticity in both preclinical and clinical settings.
Molecular Weight
1000–5000 Da (variable)
Amino Acids
Variable
Research Status
Research and nutraceutical applications
Research Areas
Vascular Biology
VEGF Peptides
Vascular Endothelial Growth Factor Peptides
Peptide fragments derived from or mimicking VEGF. Used as research tools to study angiogenesis, vascular permeability, and endothelial cell biology.
Molecular Weight
Variable
Amino Acids
Variable
Research Status
Research tool compounds
Research Areas
Vascular Biology
Endostatin
Endostatin
An endogenous inhibitor of angiogenesis derived from collagen XVIII. Studied extensively in tumor biology as a potential anti-angiogenic agent.
Molecular Weight
~20 kDa
Amino Acids
184
Research Status
Clinical research stage
Research Areas
Gastrointestinal
Ghrelin
Ghrelin (acylated)
The endogenous ligand for the GH secretagogue receptor. Studied for its role in appetite stimulation, GH release, and gut motility. The acylated form is the active species.
Molecular Weight
3370.9 Da
Amino Acids
28
Research Status
Research tool compound
Research Areas
Gastrointestinal
VIP
Vasoactive Intestinal Peptide (VIP)
An endogenous neuropeptide with broad biological activity. Studied for roles in gut motility, vasodilation, bronchodilation, and immune modulation.
Molecular Weight
3326.8 Da
Amino Acids
28
Research Status
Research tool compound
Research Areas
Research context only. All compound profiles are provided for educational and research information purposes. Nothing on this page constitutes medical advice, dosing guidance, or recommendations for human or veterinary use. Research compounds are not approved drugs unless explicitly noted. Researchers should consult primary literature and applicable regulations before working with any compound.