The standard FDA tirzepatide dosing schedule moves through six weekly dose levels: 2.5mg, 5mg, 7.5mg, 10mg, 12.5mg, and 15mg, with at least four weeks between steps. This guide walks the week-by-week ladder for both injection and oral compounded tirzepatide, the milligram-to-unit conversions for compounded vials, missed-dose rules, and how the GIPR rs1800437 genetic variant can inform titration pace before week one.

An honest, verified review of Skinny Rx tirzepatide tablets — the $299/month buccal-dissolve compounded product, the February 2026 FDA warning letter, and the actual evidence picture for any oral tirzepatide formulation — with a feature-by-feature comparison to PlexusDx Tirzepatide Oral Protocol ($229–$509/mo, 5mg to 25mg daily across seven dose levels) as the cash-pay alternative.

Is oral tirzepatide FDA approved? No — only injectable Mounjaro and Zepbound are. Here's what compounded oral tirzepatide is, how PlexusDx Tirzepatide Oral ($229–$509/mo) fits, and the safety considerations that apply to both.