Can you use an HSA on tirzepatide? Usually yes, when a licensed clinician prescribes it for a diagnosed condition. We compare how Eden, MEDVi, Ro, LillyDirect, and PlexusDx handle HSA at checkout, what 30–40% pre-tax savings looks like in real dollars, and where PlexusDx Tirzepatide Injection ($289/mo), Tirzepatide Oral ($349/mo), and GLP-Squared ($289/mo) fit. PlexusDx accepts HSA card payment where your plan permits and does not directly bill.