fda glp-1 warning 2025 november letters warns consumers not to use counterfeit Ozempic (semaglutide) found in U.S. drug supply chain Data Integrity : Key Lessons – Do GLP-1 drugs cause cancer?

Each injection should contain at least 5,000 mcg of pharmaceutical-grade methylcobalamin to be effective, and most patients notice improvements in energy, sleep, and mood within weeks of starting proper B12 therapy

Same-day appointments may be available depending on provider availability

Some doctors prescribed Ozempic or other GLP-1 drugs off-label for weight loss to non-diabetic patients or even pediatric patients, without FDA approval and without giving adequate warnings about the risks

These include effects such as headaches, higher heart rate, anxiety, increased gastrointestinal distress, dehydration, and slower weight loss rates

There was also a tentative observation of increased epithelialization, a process essential for the regeneration of the skin's outer layer, in these experimental conditions