The most common side effects are gastrointestinal, such as nausea, vomiting, indigestion, constipation, and diarrhea
49 , e13156 (2019)
It received an FDA warning letter in September 2025 for misleading compounded semaglutide marketing claims, launched a compounded semaglutide pill in February 2026 that was referred to the DOJ within days and pulled within 48 hours, was sued by Novo Nordisk for patent infringement, and then reached a deal with Novo Nordisk in March 2026 to offer branded Ozempic directly through the platform
Whats more, metformin can increase the abundance of Bifidobacterium which can promote the growth of gastric mucin, thereby stabilizing the GI mucosa
Physiological parameters in laboratory animals and humans
The good news, though, is there are ways to manage fatigue from GLP-1 medication