Thats because a recent ruling by the FDA that there was no longer a shortage of the medications means that compounding pharmacies have been ordered to stop making the less expensive versions of the drug
2005 Sep;84(3):721-5
Having met the MHRAs rigorous standards of safety, quality and effectiveness, the semaglutide tablet has been approved in the UK for weight loss and weight management, says Julian Beach, executive director of healthcare quality and access at the Medicines and Healthcare Regulatory Authority
FDA noted in the warning letter that [i]t is unacceptable as a matter of CGMP to continue manufacturing drugs using the same equipment that you use to manufacture pesticides or other non-pharmaceutical products due to the risk of cross-contamination. 35 FDA also found that the active ingredient isopropanol was substituted wholly or in part with ethanol and cited the company for inadequate release testing, among other violations
I gained 55 pounds during my (healthy, uneventful) pregnancy, gave birth pretty quickly, and recovered without too much fussso the weight I gained was not an issue, and I'm still incredibly in awe of my body for doing what it did