Overall, the impact of using Ozempic for weight loss on infertility is not fully understood, and more research is needed
Directive 2010/63/EU of the European Parliament and of the Council of 22 September 2010 on the protection of animals used for scientific purposes)

Research has identified these alarming vision-related risks associated with GLP-1 medications: Sudden irreversible vision loss: NAION strikes without warning, often discovered upon waking, causing blurry or dim vision that progresses to immediate and permanent partial or complete blindness in the affected eye with no possibility of restoration Elevated risk across multiple studies: Beyond the Harvard findings showing 4-7 fold increased risk, a University of Southern Denmark study examining over 424,000 patients found weekly semaglutide users faced 2.19 times higher NAION risk European regulatory recognition: In June 2025, the European Medicines Agency officially recognized NAION as a possible side effect of semaglutide medications, marking formal acknowledgment by international regulators Complete absence of treatment options: Medical science currently offers no cure, no effective treatment, and no way to reverse NAION-related vision damage, leaving patients with permanent disability The permanent and irreversible nature of NAION-related optic nerve damage distinguishes these injuries from other complications that may resolve after discontinuing medication

Semaglutide is not recommended if you or any of your family members have ever had MTC or if you have MEN 2
Sources: The recommended dosage of berberine typically ranges from 500 mg to 1.5 grams per day