503(b) compounding pharmacies can produce large batches of compounded drugs during shortages, operating under FDA oversight that permits this production when commercially available alternatives do not exist

Early studies report on the presence of dumping symptoms in 11% of patients after vagotomy and pyloroplasty and 26% of patients after vagotomy and after vagotomy and hemigastrectomy for surgical treatment of duodenal ulcers.28 Early dumping symptoms are encountered in up to 45% of patients and late dumping symptoms in up to 13% of patients after esophagectomy.7 A systematic review reports on the presence of dumping symptoms in up to 78% of patients after esophagectomy.22 Post-gastrectomy (distal gastrectomy with Billroth I or Roux-en-Y reconstruction, proximal/total/pylorus preserving gastrectomy), self-reported symptoms of early dumping syndrome occur in around 67% of patients and of late dumping syndrome in 38% of patients after surgery for gastric cancer.29 With regard to post-bariatric surgery, presence of dumping symptoms differs per type of surgery performed

So there is a little bit of concern about that. Its a concern that has been pervasive enough for existing drugs that Lilly released a commercial ahead of the 2024 Oscars urging against vanity use
Compounded medications are not approved by the FDA, which does not review compounded drugs for safety, effectiveness, or quality
For individuals with hemochromatosis, optimizing glutathione status is crucial