Both Echinacea and Astragalus are well known and well documented, powerful, safe and effective immunostimulants. Echinacea supports both the bodys anti viral and antibacterial capabilities. Astragalus is the herb of choice for deep immune building during non-acute phases. This blend is designed to rebuild the immune system after the acute illness phase. Immune rebuilding is important for the child who catches every cold going around. Echinacea/Astragalus Blend is an alcohol-free herbal supplement.Dietary Supplement,Deep Immune Support*.