The most commonly reported include: Nausea Reduced appetite Bloating or gas Constipation or diarrhea Mild fatigue, especially during dose changes Mild GI upset Most side effects are temporary and often improve as your body adjusts
The ferroptosis activator RSL-3 and the PI3K/Akt pathway inhibitor LY294002 reversed Neuritins inhibitory effect on ferroptosis, indicating that Neuritin suppresses neuronal ferroptosis via PI3K/Akt pathway activation (Song et al., 2025)
Patients on Retatrutide experience greater satiety, faster metabolic rate, and enhanced fat utilization compared to single-agonist medications like Ozempic
Adv Reprod Sci
But the same reviews analysis found only baseline pulse significant in that subgroup, with BMI and BMI-by-dose interactions not significant predictors, so body composition is not established as the mechanism and the FDA calls the mechanism unknown
DEXA scans or quality body composition scales track fat versus lean tissue changes