Antioxidants, zinc and vitamin C present in basil prove to be very beneficial for health. It makes the immune system strong. Apart from this, the antibacterial, antiviral and anti-inflammatory properties of Tulsi strengthen respiratory health and fight infections. Also, diseases like bronchitis, asthma, influenza, cough and cold can be treated with the juice of basil leaves and honey.

2. Liquorice
Liquorice root proves to be very effective in sore throat and cough. It cures many chronic diseases including pneumonia, bronchitis and asthma. A tannin called glycyrrhizin present in it helps in increasing the capacity of the lungs and strengthening the body against infection.

3. Kalmegh (Green Chiretta)
The root and leaves of Kalmegh are used for respiratory problems. The anti-inflammation, antiviral, anti-bacterial and antioxidant properties present in Kalmegh help in relieving infections, fever, common cold, cough, flu and other respiratory problems.

4. Pippali (Long Pepper)
Pippali also proves to be very effective in cold and cough. It is very beneficial for the respiratory system. Its active component piperine is helpful in increasing lung function as well as eliminating phlegm and protecting against infection. Mixing honey in its powder and drinking it gives relief from lung problems.