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The GLP-1s-Semaglutide, Tirzepatide & Retatrutide: Less Injections, Half-Life & Maintenance Dosing for Keeping Weight OFF vitalitclinic May 15, 2025 3 min read How to Extend the Half-Life of GLP-1 Medications (And Inject Less Often) What if you could enjoy all the benefits of GLP-1 medicationsappetite control, better blood sugar, fat loss, and even improved focuswith fewer injections

Multiple comment sections on videos included the mention of MedExpress, along with a discount code for weight-loss drugs, while others tagged supposed online pharmacies (see Figure 3)

GLP-1 receptor agonists (semaglutide, liraglutide, dulaglutide) and GIP/GLP-1 dual agonists (tirzepatide) carry the clinical evidence: STEP (semaglutide, NEJM 2021), SURMOUNT (tirzepatide, NEJM 2022), and SURMOUNT-OSA (tirzepatide for obstructive sleep apnea, NEJM 2024)

In the 12-week human pilot study, thigh muscle size decreased, but handgrip and knee extension strength did not worsen

doi: 10.1016/j.apnu.2014.11.008 57 ReizineFLesouHaitierMGregoireMPinceauxKGacouinAMaamarAet al