The FDA states, the expiration date is determined by the manufacturer and is not the same as the beyond-use date assigned by a compounder. And pharmacy practice standards also encourage using BUDs, such as the American Pharmacists Association (APhA)
[DOI] [PubMed] [Google Scholar] Khan M, Daud MK, Basharat A, Khan MJ, Azizullah A, Muhammad N, Muhammad N, Rehman Z, Zhu SJ
Abstract Glutathione is a remarkably functional molecule with diverse features, which include being an antioxidant, a regulator of DNA synthesis and repair, a protector of thiol groups in proteins, a stabilizer of cell membranes, and a detoxifier of xenobiotics
Stable for extended periods in this form
Final reassurance and realistic framing Food is not a magic bullet