Not participating in another clinical trial in the last three months Do not use other supplements (containing vitamins, minerals, and probiotics) No documented history of Covid-19 infection in healthy family members Pregnancy / breastfeeding Drug sensitivity to the compounds in the intervention Temporary residence or immigration and consecutive relocation from Tehran Use similar supplements

Not participating in another clinical trial in the last three months Do not use other supplements (containing vitamins, minerals, and probiotics) No documented history of Covid-19 infection in healthy family members Pregnancy / breastfeeding Drug sensitivity to the compounds in the intervention Temporary residence or immigration and consecutive relocation from Tehran Use similar supplements