Ayush Kwath Powder Ayush kwath powder immunity booster is an herbal composition made from herbs found in Indian kitchens that strengthen the immune system. Even the AYUSH ministry recommends that the general public use Ayush Kwath's formulation to strengthen the body's first line of defense against bacteria and viruses, the immune system. It has natural immunopotentiating properties that prevent alleviating coughs, cold headaches, and infections. Known as one of the best immunizing drugs in Ayurveda, Ayush immunity booster powder is a healthy drink made from essential spices and immunizing herbs. Once upon a time, this drink was made by boiling herbs in water. Drinking was the best way to prevent illness, as all the benefits of herbs were extracted into water.