Why Many People Don't Improve (Even When Doing Everything Right) One of the challenges with oxidative stress is that: It happens at the cellular level Even if someone is: eating Platelets of COVID 19 patients display mitochondrial dysfunction, oxidative stress, and energy metabolism failure compatible with cell death ScienceDirect TOUCHED BY LYME: Horowitz publishes on COVID 19 and glutathione Deficiency of Glutathione is Linked to Severe Symptoms and Deaths among COVID 19 Patients