Echinacea is native to North America and is a centuries-old way to promote immune system health.* Echinacea is a great natural way to support the body’s defenses, and is one of the leading herbs for supporting a healthy immune system.* Echinacea is especially popular during times of seasonal change.* Sundown Naturals® uses only the finest quality herbs and spices. Each is screened and finely milled for quick release. Sundown’s natural whole herb products utilize ground plant parts to provide the natural components in the amounts found in nature.