Echinacea is best known for its beneficial effects on the immune system.Echinacea plants contain an impressive variety of active compounds, such as caffeic acid, alkamides, phenolic acids, rosmarinic acid, polyacetylenes which functions as antioxidants.Echinacea and their compounds provide many health benefits, such as reduced inflammation, improved immunity and lower blood sugar levels.This plant help your immune system combat infections and viruses, which could help you recover faster from illness Echinacea is widely used to fight infections, especially the common cold, the flu, and other upper respiratory infections.