Tirzepatide vs Retatrutide: Dual vs Triple Agonist Research Comparison Incretin-based research peptides have reshaped preclinical metabolic science over the past decade
Perakakis N, Kokkinos A, Peradze N, Tentolouris N, Ghaly W, Pilitsi E, et al
Theyre a key ingredient in over-the-counter medicines like Gaviscon but are also available as stand-alone supplements
Many commercial insurers have not yet opted to cover these drugs (Accolade, 2023) or include step therapy or prior authorisation provisions that delay eligibility and access (Wingrove, 2023)
The turning point came around 2015, when higher-dose liraglutide, under the brand name Saxenda, was approved for obesity, confirming the weight loss effect wasnt just a side effect, but a primary therapeutic action. GLP-1s worked differently from earlier diet drugs