Kerala Ayurvedas Chyavanprashs 70+ years old Ayurvedic formulation boosts the immune system, and protects your body from infections caused by bacteria, viruses and weather change. It has Amla as the main ingredient, rich in Vitamin C and anti-oxidants. Chyavanprash is a rejuvenating health tonic that helps boost immunity and prevent infections. The phyto-ingredients in Chyavanprash helps remove blood impurities and promote appetite and intelligence.