Vomero M, Finucci A, Barbati C, Colasanti T, Ceccarelli F, Novelli L, et al
The frequency may be adjusted based on individual response and symptom control
(And while you're at it, you might as well check in with your doctor to talk about which supplements, and in which dosages, you should be taking.)
2019 Apr 1;8(4):82
But even a real, known risk may draw no regulatory action because its another regulators job or because acting is resource-intensive, costly and may not achieve the aim of making patients safer
Additionally, Glutathione is essential in a broad range of metabolic processes: Glutathione acts to neutralize a toxic metabolic byproduct: Methylglyoxal