The drug works by lowering blood-sugar levels and slowing down food leaving the stomach
Among GLP-1 medications specifically, semaglutide has one of the longest half-lives: Exenatide (Byetta): approximately 2.4 hours, requires twice-daily injections Liraglutide (Saxenda, Victoza): approximately 13 hours, requires once-daily injections Dulaglutide (Trulicity): approximately 5 days, requires once-weekly injections Semaglutide (Ozempic, Wegovy): approximately 7 days, requires once-weekly injections Tirzepatide (Mounjaro, Zepbound): approximately 5 days, requires once-weekly injections Semaglutides seven-day half-life ties it with dulaglutide for the longest among currently approved GLP-1 medications
B12 supplements are often used to treat or prevent deficiency, which can lead to symptoms such as fatigue, weakness, constipation, loss of appetite, and megaloblastic anemia
Most cases are transient, clustering around dose escalation periods in the first 48 weeks of therapy
This occurred in 0.1% of Zepbound patients and it has also been seen in Mounjaro