There isn’t a glut. We have one from the makers of wegovy, it’s in final approval and called cagrisema and of course the wegovy pills, novo though have kept the pills close in price in the USA to the injections, likely available late rhis year or early next,
https://onlinedoctor.asda.com/uk/cagrisema.html
there is also retratrutide, from el lily which will likely be available next year,
onlinedoctor.superdrug.com/retatrutide.html
it does feel like big pharma are trying to maintain prices, and its two companies, so we need to see if one will blink and drop price to take market share.