Melanie Jay, director of the NYU Langone Comprehensive Program on Obesity Research
The early dosing question is different here because you inject every day, not weekly

Medical science has made such tremendous progress that there is hardly a healthy human left. Aldous Huxley GLP-1 Agonists at a Glance First-Generation (Short-Acting) Exenatide Byetta Lixisenatide Adlyxin / Lyxumia Second-Generation (Long-Acting) Exenatide ER Bydureon (weekly, now discontinued in some markets) Liraglutide Victoza (diabetes), Saxenda (obesity) Dulaglutide Trulicity Semaglutide Ozempic (diabetes), Wegovy (obesity), Rybelsus (oral) Dual Agonist (GIP + GLP-1) Tirzepatide Mounjaro (diabetes), Zepbound (obesity) Triple or Combination Agonists (In Development) Retatrutide Triple agonist (GLP-1 + GIP + glucagon) CagriSema Combination of cagrilintide + semaglutide (GLP-1 + amylin analog) Orforglipron Oral, non-peptide GLP-1 receptor agonist (Eli Lilly) Danuglipron Oral small-molecule GLP-1 agonist (Pfizer) Efinopegdutide GLP-1/glucagon dual agonist (Merck/Biocon) AMG133 GLP-1 + GIP receptor modulator (Amgen)

423 Furthermore, the study emphasized that neurons in specific brain regions, such as the hindbrain and hypothalamus, co-express GLP-1R along with 1-adrenergic and -opioid receptors, suggesting a localized mechanism within the CNS that could coordinate peripheral anti-inflammatory responses
Of that, ~60% was from fat mass and 40% was from lean body mass