More dilute solutions may degrade faster because the peptide concentration relative to preservative concentration changes
STEP 5: In adults with obesity or overweight with at least one weight-related comorbidity, along with diet and exercise, Significant weight loss that lasts with Wegovy 2.4 mg 3 Co-primary end point: Mean change in body weight (%) from week 0 to week 104 3 During the trial, 13% of patients in the Wegovy arm discontinued treatment compared with 27% in the placebo arm
38 As a quality control measure, medication samples were sent for independent potency analysis (Eagle Analytical, Houston, TX, USA) upon receipt, and at 4 and 6 weeks after production
FEBS Lett 579:46924700
Whether the question is which compound produces superior weight loss, or which suits a specific research protocol, the answer depends on the mechanism, timeline, and regulatory context