does semaglutide really expire after 30 days What happens if you use expired semaglutide? When Does Ozempic Expire? Storage

20 mg vial + 3 mL bacteriostatic water 20 mg 3 mL = 6.67 mg/mL Here the maintenance 2.4 mg dose is only 2.4 6.67 = 0.36 mL = 36 units

locations Keep Your Medication Safe and Your Results on Track Safe and proper semaglutide storage is non-negotiable if you want the medication to remain effective throughout your treatment

For an opened semaglutide pen, whether it was initially refrigerated or not, it should be stored at room temperature (between 59F and 86F or 15C and 30C) for a maximum of 56 days

Last reviewed: June 10, 2026 Last updated: June 10, 2026 Written by: Jay Hastings, CEO of PlexusDx Jay Hastings is the CEO of PlexusDx, a precision health company focused on genetic testing, blood biomarker insights, and personalized wellness recommendations

Administration and Dosage: Semaglutide is administered as a subcutaneous injection, typically once a week