Potential herbs and vegetables for use as food to prevent COVID-19.

Three groups of herbs and vegetables recommended for consumption to boost immunity during the COVID-19 pandemic:

1. Group with immune-boosting properties.
2. Group high in Vitamin C and antioxidants (polyphenols, anthocyanin bioflavonoids).
3. Preliminary research suggests this group contains important substances that may help reduce the chance of contracting COVID-19.