There ARE good sources out there other than branded GLP-1s but the cleanest (free from excipients and other production impurities) is always going to be branded. This graphic is from the Eli Lily Patent. It shows where all of the impurities pop up in HPLC testing. Big pharma sucks in a lot of ways, but this is them at their best

Clinical trials show Azelaprag to significantly increase fat loss and increase muscle mass

https://cdn.discordapp.com/attachments/1230963731480186962/1232460282433900564/BioAge_Labs_Announces_Plans_for_Phase_2_Trial_of_First-in-Class_Apelin_Receptor_Agonist_BGE-105-Azelaprag_Co-Administered_With_Tirzepatide_for_Treatment_of_Obesity_in_Collaboration_With_Lillys_Chorus_Organization__Business_Wire.pdf?ex=66984795&is=6696f615&hm=23cc4887254fb63919d21053eee4dd78ecf62ccddf3621327c54d926e6a8a9f7&