Research Peptide Glossary
Definitions of 37 research peptide terms — compounds, concepts, analytical methods, and regulatory classifications. Built for established research compound e-commerce operators.
All content is for research-use-only informational purposes. Not for human use.
Peptide (20)
BPC-157
Body Protection Compound 157
A 15-amino-acid synthetic peptide derived from a gastric protein, widely studied for tissue repair and angiogenesis.
TB-500
Thymosin Beta-4 (Synthetic Analog)
A synthetic analog of Thymosin Beta-4, researched for its role in actin regulation and tissue repair signaling.
Semaglutide
Semaglutide (GLP-1 Receptor Agonist)
A GLP-1 receptor agonist peptide extensively studied in metabolic and glucoregulatory research models.
Tirzepatide
Tirzepatide (GIP/GLP-1 Dual Agonist)
A dual GIP and GLP-1 receptor agonist studied for its effects on metabolic regulation through two incretin pathways.
Retatrutide
Retatrutide (GIP/GLP-1/Glucagon Triple Agonist)
A triple incretin receptor agonist targeting GIP, GLP-1, and glucagon receptors simultaneously for metabolic research.
Ipamorelin
Ipamorelin (Selective GHRP)
A selective growth hormone releasing peptide (GHRP) that stimulates GH secretion with high selectivity and minimal cortisol or prolactin effects.
CJC-1295
CJC-1295 (GHRH Analog)
A synthetic GHRH analog with an extended half-life due to DAC (Drug Affinity Complex) modification, used in GH axis research.
Sermorelin
Sermorelin (GHRH 1-29)
A synthetic GHRH analog consisting of the first 29 amino acids of native GHRH, used to study pituitary GH secretion.
PT-141
PT-141 (Bremelanotide)
A melanocortin receptor agonist peptide derived from Melanotan II, researched for its effects on CNS-mediated arousal pathways.
Melanotan II
Melanotan II (MT-II)
A cyclic synthetic analog of alpha-MSH that broadly activates melanocortin receptors, used in pigmentation and CNS pathway research.
Epithalon
Epithalon (Epithalamin)
A synthetic tetrapeptide derived from the pineal gland peptide Epithalamin, studied for telomere-related and anti-aging research.
GHK-Cu
Copper Peptide GHK-Cu
A naturally occurring tripeptide-copper complex researched for tissue remodeling, collagen synthesis, and antioxidant pathway effects.
Thymosin Alpha-1
Thymosin Alpha-1 (Tα1)
A 28-amino-acid thymic peptide that modulates immune cell function, researched for its immunoregulatory and antiviral pathway effects.
IGF-1 LR3
Insulin-like Growth Factor 1 Long Arg3
A long-acting synthetic analog of IGF-1 with reduced insulin-like activity, used in growth factor receptor and muscle cell proliferation research.
Hexarelin
Hexarelin (Examorelin)
A potent synthetic GHRP hexapeptide that strongly stimulates GH secretion via ghrelin receptor activation.
GHRP-2
Growth Hormone Releasing Peptide 2
A synthetic hexapeptide GH secretagogue that stimulates pituitary GH release with moderate cortisol and prolactin effects.
AOD-9604
Anti-Obesity Drug 9604
A synthetic analog of the C-terminal fragment of human growth hormone, researched for its lipolytic effects without GH receptor binding.
Tesamorelin
Tesamorelin (GHRH Analog)
A synthetic GHRH analog with a trans-3-hexenoic acid modification that stabilizes it against dipeptidyl peptidase IV degradation.
Selank
Selank (Tuftsin Analog)
A synthetic heptapeptide analog of the immunomodulatory tuftsin peptide, researched for anxiolytic and nootropic CNS effects.
Semax
Semax (ACTH 4-7 Analog)
A heptapeptide based on the 4–7 fragment of ACTH, researched for neuroprotective and cognitive-enhancing effects in CNS models.
Coenzyme (1)
Process / Form (1)
Reagent (1)
Process (1)
Documentation (1)
Quality Metric (1)
Analytical Method (1)
Pharmacokinetic Concept (2)
Peptide Half-Life
Peptide Plasma Half-Life
The time required for the plasma concentration of a peptide to decrease by 50% after administration in a research model.
Bioavailability
Peptide Bioavailability
The fraction of an administered peptide dose that reaches the systemic circulation in an active, unmodified form.
Endogenous Peptide (2)
GLP-1
Glucagon-Like Peptide 1
An endogenous incretin hormone secreted by intestinal L-cells that stimulates insulin release and suppresses glucagon in a glucose-dependent manner.
GIP
Glucose-Dependent Insulinotropic Polypeptide
An incretin hormone from intestinal K-cells that enhances insulin secretion and plays roles in fat storage and bone metabolism research.
Regulatory Classification (1)
Biological Process (3)
Angiogenesis
Angiogenesis (New Blood Vessel Formation)
The physiological process through which new blood vessels form from pre-existing vessels, studied in wound healing and tissue repair research.
Lipolysis
Lipolysis (Fat Breakdown)
The metabolic process of hydrolysis of triglycerides into glycerol and free fatty acids, a primary mechanism studied in metabolic peptide research.
Collagen Synthesis
Collagen Synthesis and Fibroblast Activity
The production of collagen proteins by fibroblasts, a key process in wound healing and tissue repair research.
Research Concept (1)
Chemistry Concept (1)
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