Is Mounjaro Insulin? No. What It Is and How It Differs
Mounjaro insulin: a plain explanation, with the facts from the prescribing information.
- Active ingredient
- tirzepatide
- Manufacturer
- Eli Lilly
- How it is taken
- Weekly injection
- FDA-approved for
- Type 2 diabetes, Heart risk

Mounjaro in brief
Its half-life is about 5 days. After 5 d, half remains, while about 3% is left following five half-lives (25 d).
In SURPASS-1, people with type 2 diabetes lost 7.8 kg over 40 weeks, compared with 1 kg on placebo.
In US dollars, the monthly price points show the list price and self-pay offers. Each figure is taken from the price page the maker posts.
Sources: FDA label (DailyMed), healthsystemtracker.org, pricinginfo.lilly.com.