Also known as: RM-493
Setmelanotide, also known as RM-493, is a synthetic peptide classified under fat loss and metabolic peptides. It acts primarily as an agonist of the melanocortin-4 receptor (MC4R), which plays a crucial role in regulating appetite and energy expenditure. This peptide is particularly significant in research focused on obesity and metabolic disorders.
Setmelanotide is designed to mimic the natural hormone alpha-melanocyte-stimulating hormone (α-MSH), which interacts with the MC4R to influence feeding behavior and body weight regulation. Its unique mechanism makes it a valuable tool in understanding appetite control and metabolic processes.
Setmelanotide functions by binding to the melanocortin-4 receptor (MC4R) in the brain, which is a key player in the central nervous system's regulation of appetite and energy balance. When activated, this receptor helps to suppress hunger signals, thereby reducing food intake and promoting weight loss.
The peptide's action leads to increased energy expenditure and altered metabolic pathways, contributing to its potential effectiveness in managing obesity. By mimicking the effects of natural melanocortins, Setmelanotide helps to restore the signaling pathways that may be disrupted in individuals with certain genetic obesity syndromes.
Setmelanotide serves as a potent MC4R agonist, making it a critical focus in appetite and metabolic research. Its ability to influence appetite regulation positions it as a valuable compound in the study of obesity and metabolic disorders.
Last updated: Feb 25, 2026