That list determines which active ingredients large-scale outsourcing facilities may compound in bulk. Compounded products typically arrive as a multidose vial with syringes, requiring you to draw your own dose. As of early 2025, the agency had received more than 455 adverse event reports involving compounded semaglutide and more than 320 involving compounded tirzepatide. None of this establishes that every compounded product is unsafe or that any individual patient has been harmed. Compounded products usually come as a multidose vial requiring you to draw your own dose, often with added vitamins.