How Rybelsus Works (and How Fast)
How Rybelsus works: a plain explanation, with the facts from the prescribing information.
- Active ingredient
- semaglutide
- Manufacturer
- Novo Nordisk
- How it is taken
- Daily pill
- FDA-approved for
- Type 2 diabetes, Heart risk

An overview of Rybelsus
Its half-life is about 1 week. After 7 d, half is gone, while about 3% remains after five half-lives (35 d in all).
In PIONEER 1, which lasted 26 weeks, people with type 2 diabetes lost 3.7 kg, compared with 1.4 kg on placebo.
Monthly figures in US dollars show the list price and self-pay offers. The maker's price page is the source for each.
Sources: FDA label (DailyMed), healthsystemtracker.org, Novo Nordisk pricing, Novo Nordisk.