How Trulicity Works (and How Fast)
How Trulicity works: a plain explanation, with the facts from the prescribing information.
- Active ingredient
- dulaglutide
- Manufacturer
- Eli Lilly
- How it is taken
- Weekly injection
- FDA-approved for
- Type 2 diabetes, Heart risk

A quick look at Trulicity
Its half-life is about 5 days: after 5 d, half is gone, and after five half-lives (25 d), about 3% is left.
Sources: FDA label (DailyMed).