The reason for this may be twofold: Antioxidant Activity : Antioxidants like glutathione and vitamin C can help reduce oxidative stress
Route of Administration The same peptide can have very different effective half-lives depending on how it's delivered: Intravenous : Fastest onset, shortest duration the peptide enters circulation immediately and is subject to full first-pass clearance Subcutaneous : Slower absorption from the injection site creates a depot effect, often extending effective duration Intramuscular : Similar to subcutaneous but with slightly different absorption kinetics Intranasal : Rapid absorption, bypasses the blood-brain barrier for some peptides, but bioavailability can be variable Oral : Most peptides are destroyed in the GI tract

In fact, I would argue convenience is a big friend to GLP-1 consumers. Recent GLP-1 research by Circana found the average user is on the medication between three to six months, and those three to six months are so incredibly important because the other thing that happens is they embrace the food and beverage changes during that time frame more than any other time frame (on GLP-1 medication), Lyons Wyatt said
Wegovy 2.4 mg FlexTouch solution for injection in pre-filled pen Summary of Product Characteristics
Deborah Horn, directora del Centro para la Medicina de la Obesidad en la Facultad de Medicina McGovern de UTHealth Houston (EE.UU.)