There are a number of different versions of this type of diabetes drug (GLP 1 Analogues).
There’s a brief write-up here, including details of some temporary low stock levels of some brands.
GLP-1 agonists are a type of medication you might need to take if you have type 2 diabetes. They are also known as GLP-1 analogues, GLP-1 RAs and incretin mimetics.
www.diabetes.org.uk