Dabur chyawanprash has anti-oxidant properties and strengthens your body's internal defense mechanism, the immune system, thereby protecting you from everyday infections, cough, cold and stress etc. At a time when flu and viruses are everywhere, your immunity system provides the best prevention from these deadly diseases. Chyawanprash, a time tested, age old formulation has a number of herbs like amla, known to be one of the best antioxidants, Giloy (Guduchi) known to have immuno modulatory properties and has more than 40 other natural ingredients, to boost immunity.