express scripts glp 1 coverage change updated their PA policy for GLP-1's used for weight loss : r/Zepbound Express Scripts Policy Change :

You'll need your vial of lyophilized Retatrutide, a vial of Bacteriostatic Water, alcohol prep pads, and a new, sterile syringe for mixing (a 3 mL or 5 mL syringe is usually best for this part)

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Weekends, holidays, weather, carrier disruptions, customs review, high order volume, and events outside our reasonable control may cause delays

The risk, however, lies less with the molecule itself than with the quality of the preparation and the conditions of administration: a cluster of seven cases of endotoxin poisoning was described after infusions prepared from contaminated raw material not intended for intravenous use (Johnstone et al., Epidemiology and Infection 2018, PMID 29673413)

Contaminants, endotoxins, and inaccurate dosing are real-world hazards that may cause harm independent of the peptide's own pharmacology