"Conclusion: We recommended initiation of adequate supplementation in high-risk areas and/or soon after the time of suspected infection with SARS-CoV-2. Subjects in high-risk groups should have high priority as regards this nutritive adjuvant therapy, which should be started prior to administration of specific and supportive medical measures."
https://pubmed.ncbi.nlm.nih.gov/32784601/
"Prasad, a medical doctor who spent his career researching the mineral zinc, said he and his wife used the same treatment of zinc and hydroxychloroquine, a malaria drug that is being studied as a treatment for the coronavirus. Prasad said he was taking zinc as a supplement before he began having symptoms of the virus at the end of March."
https://www.detroitnews.com/story/news/local/michigan/2020/04/17/doctor-92-treats-himself-says-hes-beat-covid-19/5147499002/
"metal nanoparticles are demonstrating promising antiviral activity against pathogenic surrogates and clinical isolates."
https://pubmed.ncbi.nlm.nih.gov/33029761/
"the potential benefit of botanical drugs and supplements emerges as a focus of attention, although controversial efficacy claims are rightly a concern."
https://pubmed.ncbi.nlm.nih.gov/33373071/
"Medicinal plants as rich sources of bioactive compounds are now being explored for drug development"
https://pubmed.ncbi.nlm.nih.gov/34370622/
"Zinc promotes immune functions and helps people resist infectious diseases including diarrhea, pneumonia and malaria14,15,16. Zinc is also needed for healthy pregnancies14."
https://www.cdc.gov/nutrition/micronutrient-malnutrition/micronutrients/index.html
Zinc2+ ion inhibits SARS-CoV-2 main protease and viral replication in vitro
https://pubmed.ncbi.nlm.nih.gov/34514483/
Endogenous Deficiency of Glutathione as the Most Likely Cause of Serious Manifestations and Death in COVID-19 Patients
https://pubmed.ncbi.nlm.nih.gov/32463221/