SlimDownRx offers prepaid tirzepatide bundles starting at $258.33/month (6-month upfront). PlexusDx leads with month-to-month tirzepatide at $289, or $249/month on a 6-month plan. Evidence quality and plan flexibility differ sharply.

SlimDownRx locks you into prepaid bundles with no documented month-to-month option. This guide walks through the timing, clinical intake, and cost considerations when switching to PlexusDx's flexible tirzepatide program.