Unfortunately there have been a number of posts from people on this class of drugs, as it does appear to be a worldwide issue.
Tagging
@Rachox who was on victoza, which is in the same class of meds.
But here is a link on the issue from the UK diabetes charity
The global shortage in supply was partly due to a surge in off-label prescriptions of the drug semaglutide being issued for weight loss, which was exceeding supply. Previously (since the summer of 2023) all stocks of GLP-1 RAs had to be reserved for those already using these medications...