Once a vial has been pierced, mark the date of first puncture and discard 28 days later in line with standard multiple-dose vial practice, and never use beyond the printed expiry even if the 28 days have not elapsed
It also plays a key role in DNA synthesis, immune function, and metabolic processes
51 NovinscakT.BrcicL.StaresinicM.JukicI.RadicB.PevecD.et al (2008)
Official references also describe it as a container designed for repeated entries, which is the key detail behind storage rules and opened-vial dating
Let's look at both options to understand their advantages, how they work, and how safe they really are
Thats because Ozempics side effect of appetite suppression triggered demand for off-label use as a weight loss drug