As prices for Ozempic have risen in recent months, many people may be seeking cheaper alternatives for managing diabetes or weight loss.
Some doctors, along with the U.S. Food and Drug Administration (FDA), are warning of the potential risks of using "knock-off brands" of semaglutides, which belong to the GLP-1 class of medications.
Dr. Brett Osborn, a Florida neurosurgeon and longevity doctor who has prescribed pharmaceutical-grade versions of these medications since 2019, said he is "concerned" by this trend.