is retatrutide on the market Tirzepatide vs. Retatrutide: Key Differences Explained Vial of unapproved peptide retatrutide
Description
Accessing it outside of a formal trial carries different quality control considerations
Mitra MS, Lancaster K, Adedeji AO, Palanisamy GS, Dave RA, Zhong F, Holdren MS, Turley SJ, Liang WC, Wu Y, Meng YG, Vernes JM, Schutten MM

A single five-minute application provided glucose control lasting up to 96 hours
The Journal of Clinical Investigation, 127, 10311045

J Endocrinol Invest (2014) 37(12):114353

But what you really want to know is when you will see results at each dose level