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The peptide regulation news tracks these ongoing changes

Tirzepatide, used in Zepbound and Mounjaro, targets both the GLP-1 and the GIP receptor agonist, while semaglutide, found in Wegovy and Ozempic, mimics only the GLP-1 receptor agonist, a type of hormone in the body that impacts everything from the brain to muscle to the pancreas, stomach and liver

For those exploring broader peptide options alongside tirzepatide, see our guides on best peptides for weight loss , peptides for weight loss overview , and the comparison of GLP-1 effectiveness timelines

Wang et al., 1996)

After substantial weight reduction, loose skin can appear over the abdomen, arms, thighs, breasts or under the chin