Both deliver the same active peptide, but the injection technique differs slightly between pen and syringe
The search included terms such as small molecule GLP-1 receptor agonists, oral GLP-1 receptor agonists, Danuglipron, Orforglipron, and Aleniglipron. Additionally, information on ongoing clinical trials involving small molecule GLP-1 receptor agonists was retrieved from the ClinicalTrials.gov database using the same keywords
Rodriguez R, Moreno M, Lee AY, Godoy-Lugo JA, Nakano D, Nishiyama A, et al
A simple weekly rotation habit prevents this entirely
Most marketed "drops" claim sublingual or buccal absorption, but there is little peer-reviewed evidence that offlabel compounded drops deliver consistent, therapeutic blood levels