How Semaglutide Works (and How Fast)
Semaglutide how it works: a plain explanation, with the facts from the prescribing information.
- Active ingredient
- semaglutide
- Manufacturer
- Novo Nordisk

Wegovy overview
About 1 week is the half-life. By 7 d, half remains; after five half-lives, about 3% is left (35 days).
Across 68 weeks, STEP 1 reported 14.9% of body weight, compared with 2.4% on placebo.
In US dollars, monthly prices include a list price and self-pay offers. Each comes from the maker's price page.
Sources: FDA label (DailyMed), healthsystemtracker.org, prnewswire.com 1 2.