Why compounded tirzepatide costs 75% less than Zepbound Brand-name Zepbound (tirzepatide manufactured by Eli Lilly) has a list price of $1,059.87 per month for all dose levels as of April 2026 (Lilly pricing database)
doi: 10.1056/NEJMoa1812389
Blache D, Gesquire L, Loreau N, and Durand P (1999)
Increased blood flow to certain skin areas might sensitize local nerve endings
2,3 Mechanistic explanations for the development of CI secondary to constipation include reduced efferent vagal cholinergic activity resulting in reduced colonic blood flow, as well as increased intracolonic luminal pressure resulting in reduced colonic blood flow with mucosal-to-serosal shunting of blood
He said the research represents a promising avenue for future research at the intersection of psychiatry, addiction medicine, and metabolic health.