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GLP-1 Decoder

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
How Rybelsus works: GLP-1 medicines as a pen, a pill and a vial

An overview of Rybelsus

Length of time it remains in the body
100%50%25%0%07 d14 d21 d28 d35 d50%25%12.5%time after the dose

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).

Results for weight loss in its main trial
Rybelsus (PIONEER 1)3.7 kgPlacebo1.4 kg

In PIONEER 1, which lasted 26 weeks, people with type 2 diabetes lost 3.7 kg, compared with 1.4 kg on placebo.

Price information as time passes
20262027$1,027.51$0List priceSelf-pay

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.