oral semaglutide vs injectable for weight loss vs. Semaglutide: Rybelsus, Ozempic & Wegovy Compared GLP-1 Pills vs Injections (2025):

10.1038/342440a0 Nature 130 NaldiniL.TamagnoneL.VignaE.SachsM.HartmannG.BirchmeierW.et al (1992)

The Breslow thickness was 1.0mm

Injectable forms bypass digestive limitations but require medical supervision and carry higher costs and potential injection site reactions

Some individuals may be able to reduce or stop their blood pressure medications after starting semaglutide, but this should be done under the supervision of a doctor

To better differentiate the mechanisms of GLP-1RAs, we propose recruiting more individuals who are of normal weight and do not have diabetes or obesity for future clinical trials

Ussher JR, Campbell JE, Mulvihill EE, et al