When brain insulin signaling falters, glucose metabolism drops, oxidative stress rises, amyloid and tau processing can worsen, and microglia (the brains immune cells) are more likely to stay in an inflammatory state
The risk is that muscle is lost alongside fat
"Glutathione Synthesis and Diet," Robb Wolf: Revolutionary Solutions to a Modern Life, under Silvagno, Vernone, Pescarmona
Alternating between semaglutide or tirzepatide and retatrutide would involve even more complex pharmacological transitions
The key safety factors are: the provider requires a thorough medical evaluation, uses properly licensed pharmacies (ideally 503B), provides ongoing clinical support for side effect management, and has clear protocols for dose adjustments and treatment monitoring