semaglutide/tirzepatide Addressing the Weight Loss Injectable Shortage: Exploring Compounded Semaglutide and Tirzepatide – Skippack Pharmacy Tirzepatide vs. Semaglutide: Which Weight
Description
Stephen Salloway, a professor of neurology at Warren Alpert Medical School of Brown University in Rhode Island

What this means practically: the semaglutide glycine B12 blend is legal when properly prescribed and compounded, but it does not undergo the same level of FDA oversight as brand-name products

Nat Commun 2017

With those caveats stated clearly, here is what practitioners who are using this approach are documenting
