Why would a 150-pound person lose weight using the same dose of Semaglutide (Tirzepatide or Retatrutide) as a 350-pound person? Why not set the dosage according to body weight? By searching the relevant data, we summarized the reasons why weight loss peptides (such as Semaglutide, Tirzepatide and Retatrutide) are not usually administered according to body weight as follows. The mechanism …