The deciding factor is always the same: if the vial will be used once, sterile water is clean, simple, and sufficient its only when multi-dose use comes into play that bacteriostatic water becomes the necessary standard
This is particularly important for hygroscopic peptides containing charged amino acid residues
(PubMed) Ying Z, Kampfrath T, Sun Q, Parthasarathy S, Rajagopalan S
These drugs mimic the gut hormone glucagon-like peptide-1 and are widely prescribed for weight reduction and glucose control (1 Trusted Source GLP-1 receptor agonists and dual GLP-1/GIP receptor agonists: strengthened warnings on acute pancreatitis, including necrotising and fatal cases Go to source)
Janelle Duah, assistant professor of medicine at Yale School of Medicine, explained to Healthline that Rybelsus could be a good option if youre afraid of needles or are unable to safely inject yourself
Kosfeld et al., 2005