Wegovy is the same drug as Ozempic, but prescribed for weight loss. So it'd be the one you'd get now in the UK (or alternativly Mounjaro is a similar drug!
You need to do a consultation to get it prescribed through one of the online websites (and meet the criteria).
Lloyds Online Pharmacy, Boots Online Doctor, Asda Online Pharmacy, Simple Online Pharmacy, RightAngled, My Juniper, and Pharmacy2U are all places I can recall tattlers have ordered through.
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Mounjaro seems to be the most effective, and from the studies may have the least side effects. If I was starting again I'd probably go with it (the prices are also comparable). But I've also had lots of success on W
This is a good explainer.
I also like this table from Superdrug: