Thymoquinone: A Promising Natural Compound with Potential Benefits for COVID-19 Prevention and Cure - PubMed
Thymoquinone: "notable antiviral activity against a SARSCoV-2 strain isolated from Egyptian patients..."studies also show TQ could "inhibit COVID-19 development through binding to receptor-binding domain on the spike and envelope proteins of SARS-CoV-2,"
Nigella sativa for the treatment of COVID-19: An open-label randomized controlled clinical trial - PubMed
Nigella Sativa supplementation "associated with faster recovery of symptoms than usual care alone for patients with mild COVID-19 infection. These potential therapeutic benefits require further exploration with placebo-controlled, double-blinded studies."