The FDA's BeSafeRx program provides a checklist and a verification tool for online pharmacy legitimacy that consumers can use independent of any platform's own disclosures (FDA BeSafeRx, Know Your Online Pharmacy)
Your provider should also review your complete medical history, including any history of pancreatitis, gallbladder disease, thyroid disease (particularly medullary thyroid carcinoma or multiple endocrine neoplasia syndrome type 2), diabetic retinopathy, kidney disease, or gastrointestinal disorders
[DOI] [PubMed] [Google Scholar] 88.Venezia AC, Guth LM, Sapp RM, et al
J Invest Dermatol 2008
And it was related to the severity of CAS
However, the safety of peptides is compromised when they are purchased from unregulated online sources