Skip to content
GLP-1 Decoder

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 insulin: GLP-1 medicines as a pen, a pill and a vial

Mounjaro in brief

How long it remains in the body
100%50%25%0%05 d10 d15 d20 d25 d50%25%12.5%time after the dose

Its half-life is about 5 days. After 5 d, half remains, while about 3% is left following five half-lives (25 d).

Weight loss in its main trial
Mounjaro (SURPASS-1)7.8 kgPlacebo1 kg

In SURPASS-1, people with type 2 diabetes lost 7.8 kg over 40 weeks, compared with 1 kg on placebo.

Prices over time
2026$1,112.16$0List priceSelf-pay

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.