Rosemary:
Rosemary is one of the rich sources of antioxidants that help in boosting the immune system and also contains the anti-inflammatory compounds, thus reducing the inflammation. You can drink rosemary tea, or you can also use rosemary herb in your favorite dishes to attain the benefits of this herb. The oleanolic acid present in rosemary herb is known to have antiviral activities against a number of viral infections like HIV, Hepatitis, influenza, and herpes viruses. Rosemary stimulates the functions of the immune system by fighting against the action of pathogens and also improves blood circulation in the body.