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GLP-1 Decoder

Mounjaro Vial: What It Is, Price and How It Differs from the Pen

Mounjaro vial: which forms exist, which are FDA approved, and how they differ.

Active ingredient
tirzepatide
Manufacturer
Eli Lilly
How it is taken
Weekly injection
FDA-approved for
Type 2 diabetes, Heart risk
Mounjaro vial: GLP-1 medicines as a pen, a pill and a vial

Key facts about Mounjaro

How long it lasts 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 has left. After five half-lives (25 d), about 3% remains.

Main trial weight loss
Mounjaro (SURPASS-1)7.8 kgPlacebo1 kg

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

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

Monthly costs in US dollars include the list price and self-pay offers. The maker's price page supplies each figure.

Sources: FDA label (DailyMed), healthsystemtracker.org, pricinginfo.lilly.com.