Echinacea herb features Echinacea purpurea, one of the most popularly prescribed herbal products in Europe. Historically used by native North Americans as a tonic for general well-being, today the herb is widely recognized for its positive actions on the immune system. Nature's Answer capsules features the highest quality of organic, responsibly wildcrafted or cultivated herbs, which maintain the naturally-occurring constituents found in the plant. They are carefully selected and finely milled (micronized), allowing faster absorption by the body; Manufactured to cGMP (current Good Manufacturing Practices) standards; Free of synthetic ingredients. Also available in a Holistically Balanced Concentrated Liquid Extract.