0 0.25 0.5 0.75 1 1.25 1.5+ Acetaminophen Cannabidiol Vitamin B9 Conv. Plasma Ibuprofen Remdesivir worse w/longer followup Molnupiravir mutagenic/teratogenic Vitamin C Paxlovid independent trials refused Sotrovimab variant dependent HCQ Zinc Metformin Vitamin D Fluvoxamine Exercise Sunlight Melatonin Quercetin PVP-I Ivermectin Efficacy in COVID-19 studies (pooled effects) Lower risk Increased risk c19hcq.org October 2023