what receptors does retatrutide affect Inotropic effects of in isolated human atrial preparations | Naunyn-Schmiedeberg's Archives of Pharmacology Retatrutide + Cagrilintide: Quad-Pathway Stack

That's not a fair comparison

At this time, retatrutide is still being tested in clinical trials

A recent paper published in The Lancet showed that nearly 20% of participants in lifestyle interventions without medications gain weight, around 40% lose between 1-10% of their body weight, and just 13% lose more than 10%

The pro-oxidant enzyme NAD(P)H oxidase 4 (NOX4) has been shown to promote kidney injury (60), and in mice its expression can be attenuated by treatment with exendin-4 (61)

Clinical trials show that 2030% of patients experience mild to moderate acid reflux during initial treatment, and most improve within 48 weeks as their body adapts

If you want to try berberine, do it safely: bring your medication list to a pharmacist first, then pick a third-party tested product and start with a conservative dose.