An Outpatient Study Investigating Non-prescription Treatments for COVID-19

chlorine dioxide is an antimicrobial agent used for a variety of purposes including as a water purification product, a disinfectant on food, etc.

zinc acetate lozenges have been suggested to have antiviral properties

famoitidine is a histamine-2 blocker sold over the counter to reduce stomach acid

filtered water

lactoferrin and green tea extract are dietary supplements