ozempic vs retatrutide reddit Lost 50lbs in 3 months! Reta is insane! : r/fit Ozempic vs retatrutide : r/Biohacking

While the total volume may differ (e.g., 1mL, 0.5mL, 0.3mL), all U-100 insulin syringes are calibrated the same: 100 units equal 1 mL

The machinery it drives inside the cell maxes out long before the receptor itself fills, so the effect can run flat-out while occupancy is still tiny (the spare-receptor effect). Retatrutide runs on this

Patients were stratified by preoperative GLP-1-RAs exposure and matched using propensity score analysis

To investigate further, scientists used gene-editing methods to alter GLP-1 receptors in mice so they more closely resembled human receptors

doi: 10.1124/pr.115.011395 19 ButeauJFoisySJolyEPrentkiM

[Abstract]2026 Apr 2;189(7):2007-2023.e20