Amrita Sitopaladi Churna (Ref: Sharangdhara Samhita) is an effective Ayurvedic medicine used for treating a variety of respiratory, digestive and immunity related problems. According to Ayurveda, it has Rasayana (rejuvenating) and Kapha balancing properties which help boost immunity and expel excessive sputum from the lungs, respectively.The main fucntion of this churna is to restore peak lung capacity, improve pulmonary performance and bolster immunity.