1. Antiviral mechanisms of curcumin in the prevention and treatment of COVID-19: A review 2. The role of cinnamon on COVID-19: state-of-the-art 3. Green tea: a comprehensive review with a focus on COVID-19 biomarkers 4. Ginseng and COVID-19: a comprehensive review with a focus on COVID-19 biomarkers 5. Saffron: a potential natural therapy against COVID-19 6. Effects of resveratrol against COVID-19: Current evidence and possible efficacy 7. Vitamin D and risk of COVID-19: a review of literature 8. Liquorice Extract and possible effects in overcoming SARS-CoV-2 infections 9. The Potential beneficial effects of Barberry against COVID-19 10. The Potential Effect of Nigella sativa on Biomarkers Related to COVID-19 Infection and Severe progression 11. The potential effect of quercetin on COVID-19 Infection and severe progression: a review of mechanisms and past studies 12. The potential effect of garlic on biomarkers related to COVID-19 Infection 13. The potential effect of nuts on biomarkers related to COVID-19 Infection and Severe progression 14. The potential effect of propolis on biomarkers related to COVID-19 infection and severe progression 15. The Role of Probiotics in Management of SARS-CoV-2 infections 16. The potential effects of L-Carnitine in management of complications and severity of SARS-CoV-2 infection 17. Zinc and COVID-19 infection 18. The potential effect of selenium on biomarkers related to COVID-19 Infection 19. Vitamin C and COVID-19: is there a link? 20. The Potential Role of Omega-3 Fats in Treatment of Patients with SARS-CoV-2 22. Effects of coQ10 against COVID-19: Current evidence and possible efficacy