Arbor's tirzepatide arrives in a vial, not a pen, so each weekly dose is drawn into a syringe and injected under the skin. This guide walks through how to inject tirzepatide from a compounded vial, using the FDA-approved vial instructions for tirzepatide and NIH guidance as the reference points. Your clinician sets the dose and the units.
One is an approved medication you can start this month. The other is a promising investigational drug still working through phase 3. Here is how they compare, and what the retatrutide headlines leave out.
Zepbound is tirzepatide. Wegovy is semaglutide. One head-to-head trial, two very different price paths, and a new pill complicate the choice. Here is the honest comparison.
Foundayo is a once-daily GLP-1 pill you can take with or without food. Zepbound is the weekly tirzepatide injection with the larger trial results. Here is how they compare, and where the Wegovy pill fits.
Your prescription is written in milligrams, your syringe is marked in units, and the number that connects them is printed on your vial. Here is how to read all three and draw the right dose every time.
The two leading GLP-1 weight loss medications compared at the molecule level. Mechanism, clinical-trial efficacy, side effects, cost, cardiovascular outcomes, and the framework Arbor's clinical team uses to choose between them.
Zepbound is brand-name tirzepatide for weight loss. Compounded tirzepatide is the same molecule prepared differently. The choice in 2026 comes down to cost, insurance coverage, and tolerance for the trade-offs of each path. Written by Arbor's medical team.
Two FDA-approved weight loss injections from competing manufacturers, compared on every metric that matters in 2026. Mechanism, trial-grade efficacy, side effects, real cost, and how to choose, by Arbor's medical team.
Mounjaro and compounded tirzepatide contain the exact same active ingredient. The differences are FDA label, manufacturer, cost, and regulatory framework. Here's the honest breakdown from Arbor's medical team.
A side-by-side clinical comparison of tirzepatide and Ozempic for weight loss. Mechanism, trial-grade efficacy, side effects, real cost in 2026, and exactly how to switch, by Arbor's medical team.
For the estimated 37 million Americans living with type 2 diabetes, the relationship between blood sugar management and weight loss has always been frustratingly circular: excess weight drives insulin resistance, insulin resistance makes weight loss harder, and many diabetes medications actually cause weight gain as a side effect.