Skip to content
GLP-1 Decoder

Glucagon-Like Peptide-1 (GLP-1): What the Hormone Does

GLP-1 hormone: a plain explanation, with the facts from the prescribing information.

GLP-1 hormone: GLP-1 medicines as a pen, a pill and a vial

Weight loss and half-life: a quick overview

How long each medicine stays in your body
Wegovy7 dOzempic7 dRybelsus7 dZepbound5.5 dMounjaro5 dTrulicity5 dFoundayo1.6 dSaxenda0.5 dVictoza0.5 dByetta0.1 d

Half-life in days: how long the body needs to clear half a dose. This comes from section 12.3 of every FDA label.

Weight loss reported in the main weight trial of each medicine
Zepbound20.9%Wegovy14.9%Foundayo11.1%Saxenda7.4%

Percentage of body weight. Trials, doses and lengths vary, so check each one against the placebo shown on its page.

Sources (10)

Label from FDA (DailyMed) 1 2 3 4 5 6 7 8 9 10.