What is the half-life of Liraglutide (Saxenda / Victoza)?
Liraglutide (Saxenda / Victoza) has a reported half life of ~13 hours, given subcutaneous. That is why it is typically dosed once daily. A shorter half life means more frequent dosing to keep blood levels steady, a longer one lets you space doses further apart.
Quick facts
- Half-life: ~13 hours
- Route: Subcutaneous
- Typical schedule: Once daily
- Cycle length: Open-ended, titrate over months
References
- A Randomized, Controlled Trial of 3.0 mg of Liraglutide in Weight Management (SCALE Obesity) — Pi-Sunyer X et al., NEJM, 2015
- Liraglutide and Cardiovascular Outcomes in Type 2 Diabetes (LEADER) — Marso SP et al., New England Journal of Medicine, 2016
- Victoza (liraglutide) — Drugs@FDA approval record (ApplNo 022341) — FDA, Drugs@FDA
Pepdex is an editorial reference, not medical advice. Peptides vary in legal and approval status by country, many are research compounds without full human safety data. Talk to a qualified clinician before starting anything.
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Last updated 2026-06-06.