how glutathione works in the body IV Therapy: What You Need to Know How to increase glutathione levels:

Because glutathione is a delicate protein-like tripeptide, it is rapidly degraded by harsh stomach acids and intestinal enzymes, specifically gamma-glutamyltransferase

[DOI] [PubMed] [Google Scholar] 92.Armstrong R.N

Research published in the Journal of Parkinson's Disease has revealed that intravenous glutathione may help reduce symptoms in some Parkinson's patients by shielding dopamine-producing neurons from oxidative damage

SARS-CoV-2, the novel coronavirus responsible for COVID-19, infects hosts after binding to ACE2 receptors present on cells from many structures pertaining to the respiratory, cardiac, hematological, neurological, renal and gastrointestinal systems