A 2025 study in the American Journal of Ophthalmology did not find a significant increase in NAION or ischemic optic neuropathy risk in patients taking semaglutide or GLP-1 medications compared with diabetes or high-BMI control groups
In summary, current evidence indicates that GLP-1RAs modulate gut microbiota in ways that may underlie their metabolic and organ-protective effects, although heterogeneity between models and trials remains
Thats a realistic five-to-six month timeline for a patient in that weight range at a good dose
Rameen Shakur, professor of genomics and precision cardiovascular medicine at the University of Brighton, raised concerns about how the drug works and its side effects
References Gasmi A, Nasreen A, Lenchyk L, Lysiuk R, Peana M, Shapovalova N, Piscopo S, Komisarenko M, Shanaida M, Smetanina K, Antonyak H, Fira L, Lykhatskyi P, Fira D, Bjrklund G
For most people, the hardest stretch of a GLP-1 is the very beginning